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অধ্যায় ০১: ল্যাবরেটরেে রিোপদ 12. gvB‡µv A¨vbvjvBwmm c×wZi †ÿ‡Î bgby v KZ cwigvY
বযবহাে cÖ‡qvRb nq?
K 100mg L 90mg
M 30mg N 5mg
13. wd«qb-12 Gi ms‡KZ n‡jv-
1. ‡eviv· Gi ms‡KZ n‡jv- K CFCl3 L CF2Cl2
K Na2B4O7.10H2O L Na2B3O7.10H2O M CF3Cl N C2F2Cl4
M Na2S3O8.10H2O N Na2B4O8.10H2O
2. ‡Kvb cøvw÷‡Ki Møvfm ¯v^ ¯’¨m¤§Z? 14. wb‡¤œ †Kvb †hŠMwU KvP `ªe¨ cwi®‹vi Kivi Rb¨ e¨envi Kiv
nq?
K j¨v‡U· L bvBUªvBj K ‡µvwgK GwmW L mvjwdDwiK GwmW
M wfbvBj N †Udjb M bvBwUªK GwmW N cvi‡K¬vwiK GwmW
3. ‡mwg gvB‡µv GbvjvBwm‡m bgybvi cwigvY _v‡K .... 15. evqy `l~ Y †iva Ki‡Z M‡elYvMv‡i H2S Gi cwie‡Z© †Kvb
†hŠM e¨eüZ nq?
K 1g L 0.01g
K _v‡qvBDwiqv L _v‡qv A¨vwm‡UvgvBW
M 0.001g N 0.0001g
M A¨v‡gvwbqv N dmwdb
4. imvqb cixÿvMv‡i e¨eüZ ey¨‡i‡Ui AvqZb cwigv‡ci
m²~ Zv KZ? 16. cj-ewy ½ e¨v‡j‡Ýi mvnv‡h¨ wbf©zjfv‡e cwigvc Kiv hvq-
K 0.05 ml L 0.01ml K 0.01g L 0.1g
M 0.1ml N 1 ml M 0.001g N 0.0001g
5. 0.5M bvBwUªK Gwm‡Wi bgybv †_‡K 100mL 0.1M 17. wc‡c‡Ui †¯‹j ‡Kvb GK‡K `vMvsK…Z _v‡K?
HNO3 `ªeY cÖ¯‘Z Ki‡Z KZ mL cvwb cÖ‡qvRb n‡e? K wjUvi L wK‡jvwgUvi
K 20 L 50 M wgwjwjUvi N wgwjwgUvi
M 80 N 90 18. 100mL 0.1M H2SO4 `ªeY ˆZwi Ki‡Z wK cwigvY
6. Pvi wWwRU e¨v‡jÝ w`‡q me©wb¤œ KZ wgwjMÖvg fi †bIqv H2SO4 cÖ‡qvRb n‡e?
hvq? K 0.098g L 0.98g
K 0.1 L 0.01 M 9.8g N 98g
M 0.001 N 0.0001 19. 250ml †Wwm‡gvjvi `ªe‡Y KZ MÖvg H2SO4 Av‡Q?
7. 250ml 0.1M Na2CO3 `ªeY cÖ¯‘Z Ki‡Z KZ cwigvY K 2.45g L 2.54g
Na2CO3 `iKvi? M 4.9g N 9.8g
K 160g L 2.65g 20. ‡Pv‡Li wbivcËvi Rb¨ j¨ve‡iUwi‡Z Kx ai‡bi Pkgv
M 26.5g N 10.6g e¨envi Kiv nq?
8. wb‡¤œv³ †Kvb c`v_©wU nvucvwb †ivM mw„ ó K‡i? K wbivc` Pkgv L ivmvqwbK ¯úøvm MMjm
K KOH L NH4OH M mvaviY Pkgv N iwOb Pkgv
M H2SO4 N HNO3 21. Iqvk †evZ‡ji KvP bj `ywU KZ wWwMÖ †Kv‡Y evuKv‡bv _v‡K?
9. j¨ve‡iUwi‡Z A‡cvjvi ˆRe c`v_© cwi®‹vi Ki‡Z †KvbwU K 60 I 120 L 45 I 135
e¨eüZ nq? M 50 I 130 N 55 I 125
K A¨vj‡Kvnj L †ebwRb 22. j¨ve‡iUwi‡Z Kv‡Pi hšc¿ vwZ cwi®‹vi Kivi ci wb‡Pi †Kvb
M cvwb N wg_vbj †hŠMwU Øviv wic Ki‡Z nq?
10. 10.6 MÖvg Na2CO3 cwigv‡ci Rb¨ wb‡Pi †Kvb hšw¿ U K ‡cÖvcvbj L †cÖvcvb¨vj
e¨envi Kiv nq?
M †cÖvcv‡bvb N †cÖvcvbwqK GwmW
K wc‡cU L e‡y iU
23. eZ©gvb we‡k¦i eR¨© cwiZ¨v‡Mi me‡P‡q ¸iæZ¡cY~ © welq
M cj ewy ½ e¨v‡jÝ N AvqZbwgwZK d¬v¯‹ n‡jv-
11. ‡cv‡m©wjb evwU‡Z m‡ev”© P KZ wWwMÖ †mjwmqvm ZvcgvÎv K wimvB‡Kwjs
†Zvjv hvq? L cwy o‡q †djv
K 1700C L 1500C M mwy bw`©ó RvqMvq msiÿY
M 1000C N 500C N mvaviYfv‡e †Wª‡b †djv
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24. 0.1 †gvjvi Na2CO3 Gi Rjxq `ªe‡Y KZ MÖvg Na2CO3 K ‡µvwgK GwmW L Ca nvB‡cv‡K¬vivBU
`ªexfZ~ Av‡Q?
M †divm ‡K¬vivBW N Na bvBUªvBU
K 10.6 L 1.06 37. GwmW e„wói Rb¨ `vqx †KvbwU?
M 10.5 N 0.106 K NH3 L CH4
M SO2 N CO
25. eby ‡mb `xc wkLvi `xwßgvb wkLv‡K wK e‡j? 38. ‡KvbwU DØvqx?
K RviY wkLv L weRviY wkLv
M wiW· wkLv N AwMœ wkLv K C6H6 L NaCl
26. wbLZyu fv‡e †Kvb Zij cwigv‡ci Rb¨ wb‡Pi †KvbwU e¨eüZ M PbCl2 N MgCl2
nq?
39. ievU© eby ‡m‡bi `x‡c KqwU Ask Av‡Q?
K exKvi L KwbK¨vj d¬v¯‹ K1 L2
M gvcb †PvO N wc‡cU M3 N4
27. F Gi Zwor FYvZ¥KZv KZ? 40. wkLv cixÿvq K+ †Kvb eY© aviY K‡i?
K4 L3 K ‡e¸wY L jvj
M 2.8 N 2.5 M njy` N †mvbvjx nj`y
28. eR¨© ivmvqwbK c`v‡_©i Rb¨ †Kvb ai‡bi Kb‡UBbvi e¨envi 41. 4-wWwRU e¨v‡j‡Ýi m²~ Zv KZ?
Ki‡Z nq? K 0.01 L 0.001
K Kv‡Pi L Kv‡Vi M 0.0001 N 0.00001
M †jvnvi N gvwUi 42. wdwRI‡_ivwc‡Z e¨envi Kiv nq-
29. ‡Kv‡bv wbw`©ó AvqZ‡bi `ªeY‡K GKcvÎ †_‡K Ab¨cv‡Î K IR iwk¥ L UV iwk¥
mwVKfv‡e ¯v’ bvšÍi Kiv hvq wb‡Pi †KvbwU Øviv?
M X-ray N iwk¥
K wc‡cU L e¨y ‡iU 43. ivmvqwbK `ªe¨vw` †h cv‡Î ivLv nq †m cv‡Îi Mv‡q †j‡ewjs
Kiv nq †Kb?
M †U÷wUDe N weKvi
30. ‡Kvb M¨vmwU gvby‡li g„Z¨z NUv‡Z mÿg? K `ªe¨wUi cwiPq Rvbvi Rb¨ L `ªe¨wUi fi Rvbvi Rb¨
K O2 L N2 M `ªe¨wUi AvqZb Rvbvi Rb¨ N `ªe¨wUi `ªve¨Zv Rvbvi
M C2H5OH N HCN
31. ‡KvbwU `vn¨ c`v_©? Rb¨
K CH3CH2OH L CHCl3 44. gv‡µv GbvjvBwUK c×wZ‡Z †h ivmvqwbK c`v_© e¨eüZ nq
M NH3 N C6H6 Zvi fi I AvqZb KZ?
32. ‡µvwgK GwmW †KvbwU?
K 50mg 1 mL L 5mg 0.1mL
M 1g 10mL N 0.5mg 1 mL
K Mvp K2Cr2O7 I H2SO4 Gi `ªeY 45. welv³ †K¬v‡ivdig Gi cwie‡Z© †KvbwU e¨envi DËg?
L K2Cr2O7 I Mvp H2SO4 `ªeY K C6H14 L C6H12
M K2Cr2O7 I jNy H2SO4 Gi `ªeY M C5H12 N C5H10
N Na2Cr2O7 I Mvp H2SO4 Gi `ªeY 46. ey¨‡iU cwi®‹vi Kivi †ÿ‡Î †KvbwU e¨eüZ nq?
33. m‡›`nfvRb K¨vÝvi m„wóKvix c`v_© †KvbwU?
K HNO3 L K2Cr2O7+H2SO4
K K2Cr2O7 L CrO2Cl2 M N2SO4 N HCl
M Na2Cr2O7 N HClO4
34. GHS Gi cY~ ©iƒc- 47. j¨ve‡iUwi‡Z e¨eüZ toxic Dcv`vb †KvbwU?
K ‡ebwRb L B_vbj
K Global Health System M †mvwWqvg †K¬vivBW N †divm mvj‡dU
L Globalised Health Security 48. wb‡¤œi †Kvb ivmvqwbK Dcv`vbwU K¨vÝvi mw„ ói Rb¨ `vqx?
M Global Harmonised System K SO2 M¨vm L bvB‡UªvwMømvwib
N Global Haritage Security M A¨vm‡e÷m N †jW
35. ‡Kvgj Møvm‡K Kx e‡j?
49. A‡cvjvi ˆRe †hŠM cwi®‹vi Ki‡Z e¨envi Kiv nq-
K wd¬›U KvP L cvB‡i· KvP K A¨vj‡Kvnj L †ebwRb
M wKg¨v· KvP N IqvP KvP M cvwb N B_vbj
36. ‡KvbwU RviY Zij c`v_©? 50. e¨y ‡iU †_‡K KZ AvqZb ch©šÍ mwVK cwigvc Kiv hvq?
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K .1 cm3 L .01 cm3 63. we‡ùviK c`v_© †KvbwU?
M 1 cm3 N .001 cm3 K KCN L cviA·vBW
51. wb‡¤œi †KvbwU nvucvbx m„wó K‡i? M Wvqv‡Rvwbqvg jeY N P2O5
64. wb‡Pi †Kvb c`v_©‡K eby ‡mb `xc wkLvq mivmwi Zvc †`qv
K KOH L NaOH
M NH4OH N Al(OH)3 hvq bv?
52. wb‡¤œi †KvbwU weRviK c`v_©? K ‡ebwRb L cvwb
K H2SO4 L HNO3 M B_vbj N †K¬v‡ivdig
M K2Cr2O7 N LiAlH4 65. wb‡¤œi †Kvb ivmvqwbK `ªe¨ RwÛm/wjfvi wm‡ivwm‡mi Rb¨
`vqx?
53. 200cm3 `ªeY 10.6g Na2CO3 `ªe¨ `ªexfZ~ _vK‡j
`ªe‡Yi †gvjvwiwU n‡e- K NaOH/KOH L HCl/H2SO4
K 0.05M L 0.5M M n¨v‡jv‡Rbh³y †hŠM N Na/NaH
M 0.1M N 0.01M 66. n¨v‡jv‡Rbh³y †hŠ‡Mi ÿwZ wb‡`©kK mZK©xKiY wPý
†KvbwU?
54. Ab¾y ¡j wkLvq KqwU †Rvb Av‡Q?
K1 L2
M3 N4 KL
55. e¨envwiK †ÿ‡Î CCl4 welv³ weavq Gi cwie‡Z© †KvbwU MN
e¨envi Kiv DËg? 67. ey¨‡i‡Ui ÷cK‡K©i ˆZjv³ c`v_© cwi®‹vi Ki‡Z Kx
K UjBy b L †n‡·b cÖ‡qvRb nq?
M weDUvbj N K2CO3 K A¨vj‡Kvnj L cvwb
56. we‡ùviK c`v_© †KvbwU? M jNy HCl `ªeY N †µvwgK GwmW wgkYÖ
K cviA·vBW L Wvqv‡Rvwbqvg jeY 68. cj-eyw½ e¨v‡j‡Ýi m²~ -cwigv‡ci ÿgZv KZ ch©šÍ?
M KCN N P2O5 K 0.1g L 0.01g
57. bxj KvP ˆZwi‡Z e¨eüZ nq- M 0.003g N 0.00004g
K NiO L Fe2O3 69. 0.1M HCl `ªeY ˆZwi‡Z Mvp HCl GwmW cwigv‡ci Rb¨
M MnO2 N CoO
58. ‡KvbwU †cÖvwUqvg? †Zvgvi e¨envi Ki‡Z n‡e-
1 H 2 H K AvqZwbK d¬v¯‹ L wc‡cU
1 1
K L M gvcb wmwjÛvi N Iqvk †evZj
M Pr N Po 70. ‡MvjZjx d¬v‡· HCl M¨vm ˆZwi‡Z d¬v·wU‡K DËß Kivi
59. 2-wWwRU e¨v‡jÝ mew© b¤œ KZ ch©šÍ cwigvc Kiv hvq? †ÿ‡Î †KvbwU cÖ‡qvRb n‡e bv?
K 1 MÖv‡gi 10000 fv‡Mi GK fvM K ZviRvwj L K¬¨v¤ú, wis ÷¨vÛ
L 1 MÖv‡gi 1000 fv‡Mi GK fvM M evbvi© N A¨vm‡e÷m
M 1 MÖv‡gi 100 fv‡Mi GK fvM 71. GKwU Zij e¯i‘ †h †Kvb AvqZ‡b mwVKfv‡e cwigv‡ci
N 1 fv‡Mi 10 fv‡Mi GK fvM Rb¨ wb‡Pi †Kvb hšw¿ U e¨envi Kiv DwPr n‡e?
60. wbLuZy fv‡e †h‡Kv‡bv cwigvY Zi‡ji AvqZb gvcvi Rb¨ K e‡y iU L wc‡cU
wb‡Pi †Kvb hšw¿ U e¨envi Kiv nq?
M `vMvvw¼Z I AvqZbwgwZK d¬v¯‹
K weKvi L KwbK¨vj d¬v· N `vMvw¼Z wc‡cU
M ‡gRvwis wmwjÛvi N e¨y ‡iU 72. Møvm †_‡K me ai‡bi gqjv `i~ Kivi Rb¨ me‡P‡q mwµq
e¯‘ †KvbwU?
61. eZ©gv‡b Iqvk †evZj wn‡m‡e ‡KvbwU e¨envi Kiv n‡”Q?
K ‡jvnvi †evZi L cøvw÷‡Ki †evZj K HCl(aq)
M gvwUi †evZj N w÷‡ji †evZj L HF(aq)
62. UvB‡Uªk‡bi mgq `ªeY‡K cvÎ n‡Z KwbK¨vj d¬v‡¯‹ wb‡Z M HNO3(aq)
e¨eüZ nq- N K2CrO7(aq) wgwkÖZ H2SO4(aq)
73. UvB‡Uªkb Ki‡Z e¨eüZ nq-
K ‡gRvwis wmwjÛvi L e¨y ‡iU K ‡MvjZwj d¬v¯‹ L P¨vÞvZjx d¬v¯‹
M wc‡cU N Wªcvi M kxZK N KwbK¨vj d¬v¯‹
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74. gvwUi pH - K K2Cr2O7 + HSO4 L K2Cr2O7 + K2SO4
M K2Cr2O7 + H2SO4 N Cr2(SO4)3 + HCl
K 7.0 -8.0 L 13.0-14.0 86. wb‡Pi †Kvb `ªveKh³y Møvm mvgMÖx ‡aŠZKi‡Y wdDg ûW
e¨eüZ nq?
M 2.0-3.0 N 5.0-6.0
75. ‡cv‡m©wjb evwU‡Z m‡ev”© P KZ wWwMÖ †mw›U‡MÖW ch©šÍ Zvc
†`qv hvq? K ‡n‡·b L jNy HCl
K 1700 L 1500 M Mvp H2SO4 N jNy H2SO4
M 1000 N 500 87. `ªæZ ﮋKi‡Yi Rb¨ wb‡Pi †Kvb †hŠMwU e¨eüZ nq?
76. Mvp GwmW wb‡q KvR Kivi mgq wb‡Pi †Kvb wbivcËv mvgMÖx K A¨vwm‡Uvb L †K¬v‡ivdg©
e¨envi Kiv Riæix? M †n‡·b N †eb‡RvwqK GwmW
K n¨vÛ Møvfm L gv¯‹ 88. gvB‡µvI‡f‡b KvuPcv·K KZ C ZvcgvÎvq ïKv‡bv nq?
M A¨v‡cÖvb N wbivc` KvP K 100-118C L 100-110C
77. 5g Na2CO3 cwigv‡ci Rb¨ wb‡Pi †Kvb hš¿wU e¨envi M 70-90C N 95-98C
Kiv nq?
89. cwigvYMZ we‡køl‡Y wb‡Pi †Kvb hšw¿ U e¨eüZ nq?
K wc‡cU L ey¨‡iU
K eys‡M e¨v‡jÝ L wWwRUvj e¨v‡jÝ
M cj ewy ½ e¨v‡jÝ N AvqZbwgwZK d¬v¯‹
M m¨v‡Uvw© iqvj e¨v‡jÝ N ‡gRvwis wmwjÛvi
78. 250ml, 350ml cvwZZ cvwb †g‡c `wy U †MvjZjx d¬v‡¯‹
ivLv `ªe‡Y †hvM Ki‡Z wb‡Pi †Kvb DcKiYwU e¨envi 90. wb‡Pi †KvbwU †m‡KÛvix ÷¨vÛvW© c`v_©?
Ki‡e? K K2Cr2O7 L Na2CO3
K wc‡cU L ey¨‡iU M H2C2O4 N HCl
M †gRvwis wmwjÛvi N exKvi 91. cÖvBgvix ÷¨vÛvW© c`v‡_©i fi cwigv‡c †Kvb hš¿wU
Dc‡hvMx?
79. j¨ve‡iUwi‡Z KvR Kivi mgq †eªvwgb Øviv nvZ coy ‡j wb‡Pi K 2-wWwRUj e¨v‡jÝ L eys‡M e¨v‡jÝ
†KvbwU e¨envi Kiv DwPr?
M 4-wWwRU e¨v‡jÝ N m¨v‡U©vwiqvj e¨v‡jÝ
K `ey ©j NH4OH ÿvi L wMømvwib
92. 200mL `ªe‡Y Na2CO3 Gi fi KZ? hLb NbgvÎv 2M?
M Ley B `ye©j GwmW N jNy A¨v‡gvwbqv `ªeY
K 4.2410–3 kg L 4.14 gm
80. ey¨‡iU I Kwb‡Kj d¬v‡¯‹i g‡a¨ mv`k„ ¨ †Kv_vq?
M 3.21 gm N 2.41 gm
K DfqwU‡Z ivmvqwbK `ª‡e¨i mswgkÖY NUv‡bv nq
93. ‡m‡KÛvix `ªeY cÖ¯‘Z Kivi Rb¨ †KvbwU e¨eüZ nq?
L DfqB `ªeY‡K DËß Ki‡Z e¨eüZ nq K gvcb wmwjÛvi L 2-wWwRU e¨v‡jÝ
M DfqB UvB‡Uªk‡b e¨eüZ nq M 4-wWwRU e¨v‡jÝ N m¨v‡U©wiqvj e¨v‡jÝ
N e¨y ‡iU AvqZwbK we‡køl‡Y e¨eüZ n‡jI Kwb‡Kj d¬v¯‹ 94. wb‡Pi wewµqv †_‡K HCl Gi NbgvÎv wnmve Ki?
AvqZwbK we‡køl‡Y e¨eüZ nq bv Ca(OH)2 + 2HCl CaCl2 + 2H2O, ‡hLv‡b,
Ca(OH)2 Gi AvqZb 3.110–3L. NbgvÎv .02M,
81. j¨ve‡iUwi‡Z kix‡ii Z¡K I †cvkvKw`‡K miy ÿvi Rb¨ Kx HCl Gi AvqZb 1.0310–3L.
cwiavb Ki‡Z nq?
K G‡cÖvb L gv¯‹ K .03 L .03M
M n¨vÛ Møvf N wbivc` Pkgv M .02 N .01M
82. j¨ve‡iUwi‡Z e¨eüZ ivmvqwbK c`v_© Kxiƒc †ivM m„wó K‡i? 95. wb‡Pi †KvbwU `vn¨ c`v_©?
K K¨vÝvi L h²v K KO2 L N2O
M nvcu vbx N Wvqwiqv M Na2O2 N CaO
83. A‰Re bgybv Gi avivevwnK Avw½K we‡kølY wb‡Pi †Kvb 96. c`v‡_©i a‡g©i Rb¨ G‡K †K‡ivwm‡bi wb‡P ivLv nq?
M¨vmwU Drcbœ nq?
K weRviY L RviY
K O2 L CO2 M we‡ùviK N `vn¨
M Cl2 N N2O 97. ‡Kvb †hŠMmg~n dmz dz‡m cÖ‡ek Ki‡j i‡³ Aw·‡Rb PjvPj
n«vm cvq?
84. j¨ve‡iUwi‡Z †Kgb †cvkvK cwiavb Kiv DwPZ?
K nvdnvZv kvU© L †Xvjv dzjnvZv K A¨vRvBW L cvi·vBW
M wmb‡_wUK Kvc‡oi N KUb ev mywZ Kvc‡oi M I‡RvbvBW N mvqvbvBW
85. wb‡Pi †KvbwU ‡µvwgK GwmW? 98. wb‡Pi wP‡Î †Kvb mZ©KxKiY cÖZxK †`Lv‡bv n‡q‡Q?
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অধ্যায় ০২: গুণগত েসায়ি
1. wb‡Pi †Kvb AiweUvjwU Am¤¢e?
K 1s L 2p
K ÿwZKviK L welv³ M 3f N 4d
M D‡ËRK N ÿqKvix 2. gw¯Í‡®‹i wPwKrmvq †KvbwU e¨eüZ nq?
99. wb‡Pi wP‡Î †Kvb mZ©KxKiY cÖZxK †`Lv‡bv n‡q‡Q? K MRI L X-ray
M IR N UV
3. Rf Gi gvb m‡ev”© P KZ n‡Z cv‡i?
K1 L2
M3 N4
K `vn¨ c`v_© L we‡õviK 4. ‡Kvb †RvowU AvB‡mv‡Uv‡bi D`vniY?
M †ZRw¯Œq N RviK K 1362S, 1350P L 2 H, 4 He
1 2
100. AwZwi³ ÿviK‡K cÖkwgZ Kivi Rb¨ †KvbwU e¨eüZ nq? M 37 Cl, 1375Cl N 16 O, 164C
17 8
K Na2SO4 L KHSO4
M NaHSO4 N H2SO4 5. Rvj UvKv kbv³Ki‡Y wb‡¤œi †KvbwU e¨eüZ nq?
K IR L NMR
M MRI N UV
6. mMy wÜ djz †_‡K wbhv©m †ei Kiv nq †Kvb c×wZ‡Z?
K cvZb L ev®ú cvZb
M DaŸ©cvZb N weaŸsmx cvZb
7. wb‡Pi †Kvb AiweUvj me©wb¤œ kw³ m¤úbœ?
K 3d L 4s
M 4p N 3s
8. cÖæwmqvb eæª i‡Oi `ªeY nq wb‡¤œi †Kvb †hŠ‡Mi Rb¨?
K KFe[Fe(CN)6] L Fe3[Fe(CN)6]3
M K2[Fe(CN)6] N K3[Fe(CN)6]
9. 150 MÖvg Gi mgcwigvY GKwU `ªe‡Y 50 MÖvg `ªe `ªexfZ~
Av‡Q| †mB `ªeY‡K kxZj Ki‡j hw` 10 MÖvg `ªe Aatwÿß
nq Z‡e †k‡lv³ Ae¯v’ q `ªve¨Zv KZ n‡e?
K 10 L 40
M 50 N 100
10. GKB Dckw³ ¯‡Í ii †hme AiweUv‡ji kw³ Awfbœ Zv‡`i‡K
ejv nq
K wW‡Rbv‡iU L bb-wWRvbv‡iU
M Equivalent N Aa©c~Y© AiweUvj
11. wiWevM© aªæ‡Ki gvb KZ?
K 1.097107 m–1 L 1.097107 cm–1
M 1.097105 m–1 N 1097107 m–1
12. A¨v‡gvwbqvi je‡Y †bmjvi weKviK †hvM Ki‡j †KvbwUi
Aat‡ÿc c‡o?
K HgI2 L Hg2I4
M NH2[Hg2I3] N [Cu(NH)4]SO4
13. `„k¨gvb Av‡jvi Zi½‰`N¨© KZ (nm)?
K 200-500 L 300-600
M 400-700 N 500-800
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14. ‡K¬vwib cigvYiy AhyM¥ B‡jKUªb Gi †ÿ‡Î †Kvb †Kvqv›Uvg M 3d44s2 N 3d54s0
‡mUwU cÖ‡hvR¨?
27. wg_vbj, †ebwRb Ges UjyB‡bi wgkÖY †_‡K †ebwRb
K n = 2, ℓ = 1, m = 0 L n = 2, ℓ = 1, m = –1 c„_KKv‡j KZ ZvcgvÎvq †ebwR‡bi cvZb ïiæ nq?
M n = 3, ℓ = 1, m = 1 N n = 3, ℓ = 0, m = 0
K 64C L 78.15C
15. cÖ‡Z¨K d AiweUv‡j mev©waK KqwU B‡jKUªb _vK‡Z cv‡i? M 81C N 111C
K2 L5 28. ‡Mvjv‡ci cvcwo †_‡K †MvjvcRj ˆZwii cÖwµqv n‡jv-
M 6. N 10 K cvZb L wid¬v¯‹
16. fi msL¨vi wfbœZvi Kvi‡Y †KvbwU Drcbœ nq?
M `ªveK wb¯‹vkb N ev®úcvZb
K AvB‡mv‡Uvc L AvB‡mvevi 29. Rvj UvKv kbv³ Kivi Rb¨ UvKvq h³y i‡q‡Q?
M AvB‡mv‡Uvb N AvB‡mvgvi K cÖwZcÖfv c`v_© L Abcy Öfv c`v_©
17. ‡Kvb `wy U cigvYy ci¯ú‡ii AvB‡mv‡Uvb? M ‡PŠ¤^K c`v_© N †ZRw¯Œq c`v_©
K 1340Si, 1362S L 31 P, 1343S 30. ‡e¸wY iwk¥i Zi½ ˆ`N¨© 4100Å n‡j Zi½ msL¨v KZ?
15 K 2.43910–4 cm–1 L 2.439104 cm–1
M 2.43910–8 nm–1 N 2.439104 m–1
M 14 N, 186O N 1 H, 2 H
7 1 1 31. s-Dc¯‡Í i KqwU AiweUvj Av‡Q?
18. mvaviY B‡jKUªb web¨v‡mi wbq‡gi e¨wZµg †`Lvq wb‡Pi
†Kvb †gŠjwU?
K Mn L Br K 1wU L 4wU
M La N As M 7wU N 14wU
19. wb‡Pi †Kvb †mUwU AvB‡mv B‡jKUªb? 32. wb‡¤œi †Kvb wmwi‡Ri eYv©wj `„k¨gvb GjvKvq cvIqv hvq?
K Mg2+, Ne, O2– L Mg2+, Na+, Cl– K jvBg¨vb wmwiR L dvÛ wmwiR
M O2–, Ne, K+ N Al3+, Ne, Cu2+ M evgvi wmwiR N eªv‡KU wmwiR
20. cvwb‡Z A`ªeYxq wKš‘ ÷xg I D×vqx ˆRe †hŠM †Kvb 33. weøwPs cvDWv‡ii ivmvqwbK bvg Kx?
cÖwµqvq we‡kvab Kiv nq- K K¨vjwmqvg nvB‡cv‡K¬vivBU
K ev®ú cvZb L DaŸ©cvZb L K¨vjwmqvg †Kv¬ ivBU
M †Kjvmb N cvZb M K¨vjwmqvg †Kv¬ ‡iv nvB‡cv †K¬vivBU
21. mwbœKU IR(NIR) Gi AvIZv n‡”Q- N K¨vjwmqvg †Kv¬ ‡iv nvB‡cv †eªvgvBU
K 3000-8000 nm L 750-1400 nm 34. wm³ cixÿvq Na+ Gi eY©?
M 647-700nm N 585-647m. K mv`v L †mvbvjx njy`
22. Mv‡Qi cvZ I evKj n‡Z A¨vjKvj‡qW RvZxq Jla wb®‹vkb M njy` N jvj
Kiv nq †Kvb c×wZ‡Z?
K ev®ú cvZb L `ªveK wb®‹vkb 35. cÖavb †Kvqv›Uvg msL¨v Kx wb‡`©k K‡i?
M DaŸ©cvZb N wb¤œPv‡c cvZb K Kÿc‡_i AvKvi
23. nvB‡Wªv‡Rb eYv©wji c¨v‡ðb wmwi‡Ri †iLv¸wj wb‡Pi †Kvb L Kÿc_ †_‡K Kÿc‡_i `~iZ¡
A‡j cvIqv hvq?
M Kÿc‡_i AvK…wZ
K Ae‡jvwnZ L `k„ ¨gvb N Kÿc‡_i e¨vm
M AwZ‡e¸wb N gvB‡µvI‡qf 36. MRI c×wZ cÖwZwôZ-
24. i³Pvc cÖkg‡b wb‡¤œi †Kvb iwk¥ e¨eüZ nq? K wbDwK¬qvi †PŠ¤^Kxq AbyiYb Gi Dci
K AwZ‡e¸wb L `k„ ¨gvb L †gwW‡Kj Ae‡jvwnZ _vg©MÖvwdi Dci
M Ae‡jvwnZ N G·‡i M †iwWI wd«K‡z qÝxi wmMbv‡ji Dci
25. iv`vi‡dv‡W©i Avjdv KYv we”QziY cixÿv wb‡Pi †KvbwU N †PŠ¤^Kxq AbyiYb cÖwZ”Qwei Dci
m¤úK‡K© aviYv †`q?
37. kix‡ii †fZi wUDgvi RvZxq †Kv‡bv wKQzi Dcw¯’wZ kbv³
K cigvYiy L wbDwK¬qv‡mi Kiv nq wK‡mi gva¨‡g?
M B‡jKUª‡bi N wbDUª‡bi K Laser †_ivwc L X-ray †_ivwc
26. Cr Gi †hvRbx ¯Í‡ii B‡jKUªb web¨vm †KvbwU? M IR †_ivwc N MRI †_ivwc
K 3d54s1 L 3d64s0 38. MRI Gi †Kvb wbDwK¬qvmwU mPivPi e¨eüZ nq?
|
KH LF 52. ‡KvbwU wPwKrmvkv‡¯¿ eZ©gvb eûj e¨eüZ?
MP NC K MRI L X-ray
39. 24 Mg2 Gi kw³¯Í‡i B‡jKUªb KqwU? M †µv‡gv‡UvMÖvdx N IR
12
53. wb‡¤œi †Kvb eY©vjx †iLv `k„ ¨gvb A‡j †`Lv hvq-
K 12 L 24 M 10 N 18
K wjg¨vb wmwiR L evgvi wmwiR
40. wkLv cixÿvq wb‡Pi †Kvb Avq‡bi eY© †cvov B‡Ui g‡Zv
M c¨v‡kb wmwiR N dÛz wmwiR
jvj?
K Na+ L K– 54. ‡KvbwU `ªve¨Zv bxwZ‡Z mwVK?
M Cu++ N Ca++ K Ksp S L S = Ksp
41. ‡bmjvi `ªeY I NH3 mn‡hv‡M ev`vwg Aat‡ÿ‡ci ms‡KZ M S = Ks2P N Ksp = S
n‡jv- 55. ‡Kvb KwYKvi ¯’vwqZ¡ me‡P‡q Kg?
K NH4ClHgI2 L HgI2 K B‡jKUªb L †gmb
M Cu2[Fe(CN)6] N NH2[Hg2I3] M wbDUªb N †cÖvUb
42. ‡ewiqvg wkLv cixÿvq wK eY© †`q? 56. Cr3+ Avq‡b AhMy ¥ ev we‡Rvo B‡jKUªb msL¨v KZwU?
K ‡mvbvjx nj`y L meRy vf bxj K 6wU L 5wU
M nj`y vf meyR N B‡Ui g‡Zv jvj M 4wU N 3wU
43. Mo(42) Gi B‡jKUªb web¨vm- 57. nvB‡Wªv‡Rb eYv©wj‡Z cÖvß jvB‡gb wmwiR †Kvb A‡ji?
K –4d25s1 L 4d55s1 K `k„ ¨gvb L AwZ‡e¸wb
M 4d65s0 N –5s15p6 M Ae‡jvwnZ N `~i Ae‡jvwnZ
44. ‡KvbwU i‡³ O2 Gi cwigvY evovq? 58. mMy wÜh³y dzj n‡Z wbhv©m msMÖn Kiv nq-
K Ae‡jvwnZ iwk¥ L `„k¨gvb Av‡jv K cvZb cÖYvjx L AvswkK cvZb cÖYvjx
M AwZ‡e¸wb iwk¥ N Mvgv iwk¥ M ev®úcvZb cÖYvjx N DaŸ©cvZb cÖYvjx
45. wkLv cixÿv KLb e¨envi Kiv nq? 59. M GKwU cigvY,y hvi cvigvYweK msL¨v 24| †gŠjwUi
Ae¯v’ b AvaywbK chvq© mviwY‡Z-
K n¨vjvBW kbv³ Ki‡Z
L AavZzi GwmW kbv³ Ki‡Z K MÖæc-6 chv©q-3q L MÖæc-6 chv©q-4_©
M ARvbv avZe Avqb‡K kbv³ Ki‡Z M MÖæc-2 chvq© -4_© N MÖæc-1 chv©q-4_©
N ARvbv Gwm‡Wi NbgvÎv wbY©q Ki‡Z 60. ‡KŠwYK fi‡eM welqK gZev` n‡Z cvIqv hvq †KvbwU?
46. ‡K¬vwib M¨v‡mi eY© Kxiƒc? K mv h L mv h
2
K bxjvf mv`v L bxjvf meyR
M jvj N eY©nxb M mc h N mvr nh
2
47. ‡ivM kbv³Ki‡Y †KvbwU e¨eüZ n‡e?
K ‡µvgv‡UvMÖvwd L MRI 61. n = 1 n‡j m = ?
M IR N NMR K0 L1
48. ‡KvbwU cvwb MÖvmx?
M 1, 0, 1 N –1, 0, +1
K CaCl2 L MgSO4
62. `k„ ¨gvb Av‡jvi Zi½ ˆ`N¨© n‡jv-
M CaSO4 N NaCl K 380-780 nm L 500-575 nm
49. Al3+ Avqb kbv³Ki‡Y †Kvb e‡Y©i Aat‡ÿc c‡o? M 780 nm N 380 nm
K nvjKv bxj L Mvp bxj
M ev`vgx N mv`v 63. wb‡¤œi †Kvb c`v_©wUi Kvi‡Y wkLv cixÿvq eY© †`Lv hv‡e?
50. me‡P‡q fvix KYv n‡jv- K HCl GwmW L †eviv·¸wU
K Avjdv L weUv M FeSO4 N H2SO4
M †cÖvUb N wbDUb 64. 3d AiweUv‡ji †ÿ‡Î n Ges Gi gvb †KvbwU?
51. ‡Kvb iwk¥i Zi½ ˆ`N¨© †ewk? K n = 3, ℓ = 1 L n = 3, ℓ = 2
K `„k¨gvb L Ae‡jvwnZ M n = 4, ℓ = 2 N n = 3, ℓ = 3
M Mvgv N gnvRvMwZK
|
65. avivevwnK MÖæc we‡køl‡Y wb‡Pi †Kvb g~jKwU gpv Gi 79. B‡jKUªbmg~n kw³ wewKiY K‡i 5g kw³¯‡Í i wd‡i Avm‡j
G‡`i †Kvb wmwiR ejv nq?
AšÍfz©³?
K evgvi wmwiR L dzbW wmwiR
K Zn2+ L Fe2+
M c¨v‡kb wmwiR N c¨v‡ðb wmwiR
M Ca2+ N NH
4 80. weUv iwk¥ Kx?
66. iv`vi‡dvW© ¯Y^ ©cvZ cixÿvi Rb¨ KZ cyiæ‡Z¡i ¯Y^ ©cvZ K ‡cÖvU‡bi cÖevn L B‡jKUª‡bi ceÖ vn
e¨envi K‡i‡Qb? M wnwjqvg wbDwK¬qv‡mi cÖevn N wbDUª‡bi ceÖ vn
K 0.004 cm L 0.004 m 81. AiweUv‡ji kw³ wbiƒc‡Yi MvwYwZK mgxKiY †KvbwU?
M 0.0004 cm N 0.000004m K n +1 Lm+1
67. wkLv cixÿvq Ca2+ Avq‡bi eY©- Ms+1 Nm+n
K Mvp jvj L nvjKv meRy 82. ‡iLv eYv©jx mw„ ói KviY †KvbwU?
M B‡Ui gZ jvj N †mvbvjx nj`y K D‡ËwRZ B‡jKUª‡bi †kvlY
68. ‡µvgv‡UvMÖvwd‡Z KqwU `kv _v‡K? L B‡jKUª‡bi N~Y©b
K1 L2 M3 N4 M D‡ËwRZ B‡jKUª‡bi ce~ ©eZx kw³¯Í‡i AvMgb
69. BD‡iwbqv‡gi cvigvYweK msL¨v †KvbwU? N D‡ËwRZ B‡jKUª‡bi cieZx© kw³¯Íi AvMgb
K 82 L 92 M 102 N 112 83. 3p AiweUv‡ji †ejvq n I Gi gvb †KvbwU n‡e?
70. ‡µvgv‡UvMÖvwd c×wZ D™¢veb K‡ib †K? K n = 2, ℓ = 1 L n = 3, ℓ = 0
M n = 3, ℓ = 1 N n = 3, ℓ = 2
K ‡mv‡qU L wMjvW©
M ncwKbm N GWIqvW© 84. ‡evi gZev` Abyhvqx 3q Aiwe‡Ui †KŠwYK fi‡eM KZ?
71. AiweUvj msL¨v wbY©‡qi mÎ~ †KvbwU? Kh L 3h
2
K (2+2) L 2(2+1)
M (2+1) N (4+2) M 2h N 3h
72. bxj e‡Y©i Zi½‰`N¨© 520nm Gi kw³ KZ? 2
K 0.03810–17J L 3.821015J 85. wkLv cixÿvq K Gi eY-©
M 3.810–10J N 3.8810–11J K nj`y L KvuPv Av‡c‡ji g‡Zv
73. jvj Av‡jvi Zi½ ˆ`N¨© KZ nm? M B‡Ui g‡Zv jvj N †e¸wb
K 380-424 nm L 500 nm 86. ‡e¸wb iwk¥i Zi½ ˆ`N¨© KZ b¨v‡bvwgUvi?
M 590 nm N 780 nm K 380-424 L 451-500
74. 92U ‡_‡K KYv wewKwiZ n‡j Drcbœ nq- M 576-590 N 648-780
K 80AC L 90Th 87. ‡Kvb †gŠ‡ji GKwU cigvYiy †hvRbx ¯Í‡ii `wy U AiweUv‡ji
M 91Pa N 93Np B‡jKUªb web¨vm n‡jv .....3d104s1| †gŠjwUi chv©q
mviwY‡Z Ae¯v’ b n‡e †KvbwU?
75. ‡Kvb AiweUvjwUi kw³ †ewk?
K 4s L 3p K 3q chv©q MÖæc IA L 3q chv©q MÖæc IIB
M 4p N 3d M 4_© chv©q MÖæc IA N 4_© chv©q MÖæc IB
76. CO †hŠ‡Mi m‡ev”© P Absorbance Gi Zi½ msL¨v-
K 3958 cm–1 L 2143 cm–1 88. ‡h‡Kv‡bv Dckw³¯‡Í i m‡ev”© P B‡jKUªb aviY ÿgZv-
M 2885 cm–1 N 2230 cm–1 K 2n2 L (2ℓ+1)
M 2(ℓ+1) N 2(2ℓ+1)
77. wkLv cixÿvq †mvwWqvg †Kvb eY© aviY K‡i?
K bxj L jvj 89. ‰Re †hŠ‡Mi c„_KKxiY I we‡kva‡bi c×wZ †KvbwU?
M †mvbvjx nj`y N †e¸wb K Aby‡cÖl cvZb L DaŸ©cvZb
78. ‡evi g‡W‡j e„ËvKvi Kÿc‡_ B‡jKUª‡bi †KŠwYK fi‡eM M †µvgv‡UvMÖvwd N ivmvqwbK cÖYvwj
KZ?
90. 2p AiweUv‡ji n Ges Gi gvb KZ?
K mvr nh L mvr n
2 2r K n = 3, ℓ = 1 L n = 2, ℓ = 1
M mvr nh N mvr h M n = 1, ℓ = 2 N n = 2, ℓ = 0
2r 2
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91. A (`ªve¨Zv 25), B (`ªve¨Zv 62) Ges C (`ªve¨Zv 12) 102. Aat‡ÿc‡bi Rb¨ kZ© †KvbwU?
wewkó 3wU KwVb c`v‡_©i wgkÖY †_‡K Dcv`vb¸‡jv‡K
K ki ks L ks ki
Kxfv‡e c„_K Kiv hvq? M ks = ki N †KvbwUB bq
K `ªveK wb®‹vkb L †Kjvmb 103. 3d AiweUv‡ji †ejvq n I ℓ Gi gvb †KvbwU n‡e?
M AvswkK †Kjvmb N AvswkK cvZb K n = 3, ℓ = 0 L n = 3, ℓ = 1
92. ‡Kvb `wy U ci¯úi AvB‡mvevi? M n = 2, ℓ = 3 N n = 3, ℓ = 2
K 35 Cl, 1342Si L 204 Pb, 82004Hg 104. cigvYyi e¨vm wb‡Pi †KvbwUi KvQvKvwQ nq?
17 82
K 110–10cm L 110–13 cm
M 14 C, 174N N 16 O, 184O
6 8 M 110–8 cm N 110–5 cm
93. `wy U AvB‡mv‡Uv‡ci g‡a¨ Kx †`Lv hvq? 105. we`y¨r P¤y ^Kxq wewKi‡Yi mevw© aK Zi½‰`N¨© cwimi wb‡Pi
K cvigvYweK msL¨v GKB †KvbwU‡Z?
L cvigvYweK fi msL¨v mgvb K UV-iwk¥ L X-ray
M wbDUªb msL¨v mgvb M Ae‡jvwnZ iwk¥ N †Uwjwfkb Zi½
N chv©q mviwY‡Z GKB Ae¯v’ b 106. wnwjqvg cigvYyi eYv©wj wb‡Pi †KvbwUi mv‡_ m`„k n‡e?
94. Cr Gi B‡jKUªb web¨vm †KvbwU? KH L Li+ M He+ N Na
K 14 C L 12 O 107. ‡Kvb cigvYy †_‡K GKwU B‡jKUªb mwi‡q wb‡j †h Avqb
6 8 m„wó nq, Zv n‡jv-
M 14 O N †Kvb cwieZ©b bq
8
95. `wy U †gŠ‡ji cigvYyi ewnt¯‡Í i B‡jKUªbxq KvVv‡gv ns2np1 K abvZ¥K PvR©hy³ K¨vUvqb
Ges ns2np4 n‡j †Kvb †gŠjwU chv©q mviwYi †Kvb MÖæ‡c L FYvZ¥K PvRh© ³y A¨vbvqb
Aew¯Z’ ?
M FYvZ¥K PvRh© ³y K¨vUvqb
K MÖæc-I, MÖæc-VI L MÖæc-III, MÖæc-VIII N GKK abvZ¥K PvR©hy³ K¨vUvqb
M MÖæc-III, MÖæc-O N MÖæc-I, MÖæc-O 108. cvigvYweK MVb KvVv‡gv Abmy v‡i, GKwU cigvbyi †Kvb
GKwU Aiwe‡Ui B‡jKUªb aviY ÿgZv m‡ev”© P-
96. fvix cvwb Kx?
K H2O L D2O K wecixZ w¯úbhy³ `wy U
M H2O2 N D”P Nb‡Z¡i LwbR cvwb L 32wU
97. Awa‡kvl‡bi gvÎv Ges mPj `kvq `ªve¨Zv nv‡ii wfbœZv M 2n2 (GLv‡b n = cÖavb †Kvqv›Uvg msL¨v)
_vK‡j †Kvb wgkÖ‡Yi Dcv`vb¸‡jv‡K †Kvb c×wZ‡Z N `ywU
ci¯úi †_‡K c_„ K Kiv hvq? 109. GKwU wbi‡cÿ †gŠj Y Gi B‡jKUªb web¨vm nj
K `ªveK wb®‹vkb L †µv‡g‡UvMÖvwd 1s22s22p63s1| Bnv †hvR¨Zv kw³¯‡Í i B‡jKUªb MÖnY ev
eR©b K‡i KZ Pv‡R©i Avqb ˆZwi K‡i?
M AvswkK †Kjvmb N AvswkK cvZb
98. gw¯Í‡®‹i wUDgvi wbY©‡q mev©waK e¨eüZ nq †Kvb c×wZ? K –2 L –1
K IR L UV M +1 N +2
M MRI N NIR 110. ‡bmjvi `ªeY I NH3 mn‡hv‡M ev`vwg Aat‡ÿ‡ci ms‡KZ
99. nvB‡Wªv‡Rb eYv©wj n‡”Q- n‡jv-
K wewKiY eYv©wj L †kvlY eYv©wj K NH4Cl.HgI2 L HgI2
M K¤úb eYv©wj N wbDwK¬q †Pi¤^K AbyiY M Cu2[Fe(CN)6] N NH2[Hg2I3]
eY©vwj 111. (n + ℓ) Gi wbqgvbyhvqx cUvwmqv‡gi †kl B‡jKUªbwU
100. Na Gi wkLv cixÿvq KZ Zi½ ˆ`N¨© eYv©wj cvIqv hvq? cÖ‡ek Ki‡e-
K 616nm L 590 nm M 578 nm N K 3d AiweUv‡j L 3s AiweUv‡j
690 nm M 4d AiweUv‡j N 4s AiweUv‡j
101. wb‡Pi †Kvb mgxKiYwU mwVK bq?
112. mvj‡dU Avq‡bi kbv³Ki‡Yi Rb¨ †Kvb weKviKwU e¨eüZ
K 1 L c nq?
K wmjfvi bvB‡UªU L †ewiqvg bvB‡UªU
M E = N E M A¨v‡gvwbqvi A·v‡jU N jNy nvB‡Wªv‡K¬vwiK GwmW
|
113. MRI cÖhyw³ e¨envi K‡i ------ Kiv hvq? K 6.62610–27 Js–1 L 6.22610–27 kJs–1
M 6.62610–27 kJs–1 N 6.22610–30 kJs–1
K ‡ivM wbY©q L Rvj UvKv kbv³
124. wb‡Pi †Kvb cigvYy ev Avq‡bi eYv©wji e¨vL¨v ‡evi cigvYy
M Rvj cvm‡cvU© N †ivM Dckg
g‡Wj w`‡Z cv‡i bv?
114. GKwU AiweUv‡ji †PŠ¤^Kxq †Kvqv›Uvg msL¨v Øviv cÖKvwkZ K Li+ L He+
nq?
M Li2+ NH
K AiweUv‡ji kw³¯Íi L AiweUv‡ji AvKw… Z 125. Kÿc_ wfwËK †Kvqv›Uvg msL¨v KqwU?
M AiweUv‡ji ¯’vwbK Awfweb¨vm N AiweUv‡ji K 4wU L 3wU
B‡jKUªb w¯úb M 2wU N 1wU
115. wb¤œZi kw³¯iÍ †_‡K B‡jKUª‡bi D”Pkw³¯Í‡i DcbxZ 126. ‡Kvb cigvYyi L †k‡ji Rb¨ †KŠwYK fi‡eM KZ n‡e?
nIqvi cÖv°v‡j-
K mvr h L mv h
K kw³ †kvwlZ nq r
L kw³ wbM©Z nq M mvr h N mv h
2 2
M wbiew”Qbœ eYv©wji m„wó nq
127. -------- g‡Z cigvYy‡Z B‡j±ª‡bi AveZ©‡bi Rb¨ cÖwZwU
N cigvYy AvqwbZ nq
cÖavb kw³¯Íi wbw`©ó msL¨K Dckw³¯‡Í i wef³ _v‡K?
116. B‡jKUªb hLb D”PZi kw³¯Íi †_‡K wb¤œZi kw³¯‡Í i
AebwgZ nq, ZLb- K ‡evi L mgviwdì
K ‰ewkó¨g~jK eYv©wj‡iLvi D™¢e N‡U M iv`vi‡dvW© N †¯ªvwWÄvi
L cigvYy †_‡K Zv‡ci D`MxiY N‡U 128. n = 4, ℓ = 0, 1 n‡j Dckw³¯iÍ KqwU?
M B‡jKUªb, wbDUªb KZ©…K AvKwl©Z nq K 4wU L 3wU
N †kvlY eYv©wj †iLvi mw„ ó nq M 1wU N 2wU
117. wkLv cixÿvq wb‡Pi †Kvb Avqb D¾¡j †mvbvwj njy` e‡Y©i 129. 4f Dckw³¯‡Í i mev©waK KqwU B‡jKUªb _vK‡Z cv‡i?
wkLv ˆZwi K‡i? K 14wU L 7wU
K Na+ L K+ M 3wU N 5wU
M Ca+ N Al3+ 130. n = 3, ℓ = 2 Ges s 1 n‡j 3d Dckw³¯‡Í i B‡j±ªb
118. atom k‡ãi A_© Kx? 2
K wefvR¨ L AwefvR¨ msL¨v KZ?
M en„ r N ÿ`z ª K 2wU L 6wU
119. cÖ‡Z¨K cigvYy‡Z FYvZ¥K PvRw© ewkó KwYKv we`¨gvb| --- M 1wU N 10wU
†Kvb weÁvbx G wm×v‡šÍ DcwbZ nb? 131. 4_© kw³¯‡Í i Aby‡gvw`Z †gvU Awe©Uvj msL¨v KZ?
K ‡W‡gvwµUvm L iv`vi‡dvW© K 14wU L 16wU
M _gmb N †evi M 7wU N 18wU
120. ÒcigvYy we`¨y r wbi‡cÿÓ †Kvb cigvYy g‡W‡ji ¯^xKvh©? 132. wb‡Pi †Kvb AiweUv‡ji kw³ me‡P‡q Kg?
K ‡evi cigvYy g‡Wj K 4s L 3d
L iv`vi‡dv‡W©i cigvYy g‡Wj M 4d N 5s
M †evi-mgviwdì cigvYy g‡Wj 133. wb‡Pi †Kvb B‡jKUªb web¨vmwU mwVK?
N _gmb cigvYywWs g‡Wj K K(19) - [Ar] 3d1
121. ‡Kvb cigvYy g‡W‡ji wbDwK¬qv‡mi aviYv †`Iqv n‡q‡Q? L Sc(21) - [Ar] 3d3
K Zi½ ejwe`¨v L †evi-cigvYy g‡Wj M Y(39) - [Kr] 4d15s2
M †evi-mgviwdì N iv`vi‡dvW© N Cr (24) - [Ar] 3d44s2
122. ‡Kvb wewKi‡Yi kw³i mv‡_ Zi½‰`‡N¨i© m¤úK© wK? 134. s AiweUv‡ji AvKw… Z wKiƒc?
K e¨¯Ívbcy vwZK L e‡M©i mgvbycvwZK K ‡MvjvKvi L eZ©zjvKvi
M mivmwi mgvbycvwZK N e‡M©i e¨v¯vÍ bcy vwZK M Wv‡¤^j AvK…wZi N Wvej Wv‡¤^j
123. cøv¼ aªæe‡Ki gvb KZ? 135. m = –1 Gi Rb¨ wb‡Pi †Kvb AiweUvjwU cvIqv hvq?
dK x2 y2 L dxy
|
M d zx N dz2 K AwZ‡e¸bx L Aejvj
136. ‡Kvb †gŠ‡ji B‡j±ªb web¨v‡m AvDdevD wbq‡gi e¨wZµg M iÄb N gnvRvMwZK
†`Lv hvq? 149. UV-ray KZ Zi½ ˆ`‡N¨i© eYv©wj wewKib K‡i?
K Cu LY K 200-375 nm L 400-780 nm
M La NV M 175-300 nm N 480-700 nm
150. Zvi‡K †Kvb Gwm‡W w¯‹Z Kiv nq?
137. wb‡Pi †KvbwU me‡P‡q w¯’wZkxj? K jNy HCl L Mvp H2SO4
K np3 L nd4 M Mvp HCl N jNy H2SO4
M nf14 N nd10 151. Ba avZz wkLv cixÿvq wK eY© †`Lvq?
138. `„k¨gvb Av‡jvi Zi½‰`N¨© KZ? K meyR L Av‡cj meRy
K 380-700Å L 3800-7000Å M †mvbvjx njy` N njy`vf meyR
M 380 nm N 700 nm 152. Cu2+ wkLv cixÿvq wKiƒc eY© cÖ`k©b K‡i?
139. ‡Kvb iwk¥i Zi½‰`N¨© me‡P‡q Kg? K meyR L bxjvf meRy M jvj N nj`y
K gnvRvMwZK L Ae‡jvwnZ 153. UV-Ray cÖ‡ÿcY Kivi ci Avmj UvKv AÜKv‡i mwi‡q
†Kvb Av‡jvi we”Qiz Y †`Lv hvq?
M Mvgv N iÄb iwk¥
140. ‡iwWI †Uwjwfkb Zi½-‰`N¨© KZ? K mv`v L jvj M †e¸bx N bxj
K 2.2105 nm L 2.2104 nm 154. gvbe‡`‡n ¯^vfvweK wecvK wµqvi d‡j Drcbœ Zvc wK iwk¥
wn‡m‡e wewKwiZ nq?
M 2.2105 nm N 700 nm
141. ‡Kvb iwk¥i wewKiY me‡P‡q kw³kvjx? K Ae‡jvwnZ L AwZ‡e¸Yx
K ‡e¸Yx L AwZ‡e¸Yx M gnvRvMwZK N iÄb
M gnvRvMwZK N Mvgv 155. mvbevb© Gi wPwKrmvq †Kvb iwk¥ cÖ‡ÿc Kiv nq?
142. ‡Kvb MÖæ‡c AvKl©Y ej †ewk `ey ©j? K IR L Mvgv M UV N iÄb
K – OH LC=C 156. Mvg Bbdv¬ ‡gkb I cÖvšxÍ q jwmKvi wPwKrmvq †Kvb iwk¥
e¨eüZ nq?
M – NH2 NKIL
143. Zwor Pz¤^Kxq eYv©wj‡Z Zwor †ÿÎ I Pz¤^K †ÿ‡Îi ga¨eZ©x K Mvgv L Ae‡jvwnZ
†Kv‡Yi gvb KZ? M X-ray N AwZ‡e¸Yx
K 180 L 90 ab
M 120 N 150 157. CH3 CH2 Cl
‡Kvb ai‡bi H G †iwWI iwk¥ †ewk cwigv‡Y †kvwlZ n‡e?
144. ℓ = 3 Gi Rb¨ cvigvYweK eYv©wj‡Z KqwU m²~ †iLv cvIqv
hv‡e? Ka Lb
K 7wU L 9wU M †kvwlZ n‡e bv N mgfv‡e †kvwlZ n‡e
M 4wU N 3wU 158. ‡cÖvU‡bi kw³ †kvlY I wewKi‡Yi ga¨eZx© mgqKvj‡K wK
e‡j?
145. -------- msiwÿZ nvB‡Wªv‡Rb M¨v‡mi †fZi --------
†fv‡ë‡Ri we`¨y r Pvjbv Ki‡j M¨v‡mi †fZi †Mvjvcx e‡Y©i K AbyiYbKvj L e¨wßKvj
Avfv †`Lv hvq? M ¯w^ ¯KÍ vj N MgbKvj
K D”PPv‡c, wb¤œ L wb¤œPv‡c, D”P 159. ‡PŠ¤^K‡ÿ‡Îi AvKl©‡Y †cÖvU‡bi ggy ~l©y jvwU‡gi gZ N~Y©b‡K
wK e‡j?
M D”PPv‡c, D”P N wb¤œPv‡c, wb¤œ
146. eªv‡KU wmwi‡Ri Rb¨ cÖwZ ‡mw›UwgUv‡i Zi½ msL¨v KZ? K N~Y©b MwZ L †jgi MwZ
hLb, n2 = 7 L 461.65 M AveZ©b MwZ N †PŠ¤^Kxq N~Y©b
K 4616.54
160. 1kg `ªve‡K m‡ev”© P 10gm `ªe `ªexf~Z _vK‡j `ªve¨Zv KZ?
M 46115 N 416.45
K3 L1
147. ‡Kvb A‡j evgvi wmwi‡Ri DrcwË nq?
M 10 N2
K AwZ‡e¸Yx L `k„ ¨gvb
161. wbw`©ó ZvcgvÎvq AgCl Gi `ªve¨Zv ¸Ydj 6.61010|
M Ae‡jvwnZ N Mvgv
hLb, Ag+ Gi NbgvÎv 0.2M Ges Cl– Gi NbgvÎv
148. Rvj UvKv kbv³Ki‡Y †Kvb iwk¥ e¨eüZ nq?
|
0.3M| GKB ZvcgvÎvq Ag+ I Cl– Gi NbgvÎv h_vµ‡g 175. Pz‡bi †Nvjv‡U cvwb Øviv wK‡mi wbwðZKiY cixÿv Kiv nq?
0.1M Ges 0.4M Kiv n‡j wb‡¤œv³ mgxKiY Abmy v‡i Gi K CO32 L NH
`ªve¨Zvi ¸Ydj wnmve Ki| 4
K [Ag ][Cl ] M Cl– N SO24
[AgCl] 176. ‡KvbwU A‰Re `ªveK?
K 3.731010 L 7.461010 K HCl L †ebwRb
M 5.61010 N 2.481010 M CS2 N CHCl3
162. wb‡Pi †Kvb †ÿ‡Î mgAvqb cÖfve NU‡e? 177. NaCl Gi †Kjv‡mi AvK…wZ-
K NaCl, KOH L NH4Cl, NH4OH K e¯‡‘ Kw›`ªK L cvk¦©‡Kw›`ªK
M KCl, NaOH N CaCl2, NH M mij NbK N PzZz¯ÍjKxq
4
178. ‡Kjv‡mi IRb 10gm, Aweï× Lv`¨ je‡Yi IRb
163. MÖæc II Gi †ÿ‡Î avZe mvjdvBW Aat‡ÿc cixÿvq HCl
100gm n‡j †Kjv‡mi Drcv`b gvÎv-
Gi NbgvÎv KZ _v‡K?
K 1gm L 20gm
K 0.03 L 0.02M M 0.03M N
M 2 gm N 10gm
0.01M
164. wb‡Pi †Kvb avZe mvjdvBW me‡P‡q c‡i Aatwÿß n‡e? 179. cvZ‡bi †ÿ‡Î `By Zi‡ji ùzUbv‡¼i e¨eavb KZ n‡Z n‡e?
K CoS L HgS M CdS N PbS K 40C Gi Kg L 35C Gi †ewk
165. wb‡Pi †KvbwU †cvjvi `ªveK?
M 40C Gi †ewk N 35C Gi Kg
K NH3 L CCl4 M HNO3 N SO2 180. A¨vwbwj‡bi we‡kvab †Kvb c×wZ‡Z Kiv nq?
166. MÖæc II Gi mvj‡dUmg‡~ ni K¨vUvqb I A¨vbvq‡bi Avavb 2
K ev®úcvZb L AvswkK cvZb
nIqv ‡KvbwU nq?
M cvZb N Da٩cvZb
K j¨vwUm kw³ Kg L nvB‡Wªkb kw³ †ewk 181. ‡KvbwU DØvqx c`v_© bq?
M nvB‡Wªkb kw³ †gvUvgywU N j¨vwUk kw³ †ewk K Kc©~i L Av‡qvwWb
167. cvwb‡Z `ªve¨Zvi µg wn‡m‡e †KvbwU mwVK? M †eb‡RvwqK GwmW N CaCl2
182. wb‡Pi †KvbwU wbiæ`K?
K Be(OH)2 Ca(OH)2 L MgSO4SrSO4
M BaSO4SrSO4 N Ca(OH)2Mg(OH)2 K CaCl2 L CO2
168. wb‡Pi †Kvb avZiz nvB‡Wªv·vBW cvwb‡Z `ªeYxq bq?
M HSO4 N Na2CO3
K NaOH L Fe(OH)2 183. ‡µvgv‡UvMÖvwd cÖwµqvwU KqwU gva¨‡gi mvnv‡h¨ N‡U?
M KOH N CH3 – OH K wZbwU L `By wU
169. ‡KvbwU `ªexfZ~ nIqvi mgq †Zgb Zvc †kvlY K‡i bv? M GKwU N 5wU
K KCl L Na2SO4 184. ‡cvjvwiwUi µg wn‡m‡e †KvbwU mwVK?
M NaCl N KNO3 K NH2 OH L C = C Cl
170. Na2SO4 Gi cwie„Ë ZvcgvÎv KZ? M OH NH2 N NH2 CHO
K 32C L 31C 185. Zij-KwVb †µvgv‡UvMÖvwdi w¯’i `kv †KvbwU?
M 35C N 30C K KwVb L M¨vmxq
171. K4[Fe(CN)6] ‡hŠ‡M Avqi‡bi †hvRbx KZ? M Zij N Aa©Zij
K –2 L +3 M +2 N +4 186. Zij-Zij †µvgv‡UvMÖvwdi w¯’i/mPj `kv †KvbwU?
172. ‡KvbwU cÖæwkqvb eø?y K Zij L KwVb
K KFe[Fe(CN)6](s) L K3Fe[Fe(CN)6] M M¨vmxq N Aa©Zij
M K3[Fe(CN)2] N Fe[Fe(CN)6]
173. ‡KvbwU kbv³Ki‡Y †bmjvi `ªeY e¨eüZ nq?
K NH4Cl L KCl
M Na2SO4 N CaCl2
174. ZnSO4 kbv³Ki‡Y †KvbwU e¨eüZ n‡q _v‡K?
K Be(NO3)2 L KNO3
M Ba(NO3)2 N NH4(NO3)
|
Aa¨vq 03t ‡gŠ‡ji chvq© eË„ ag© I M Al3+ N Fe3+
ivmvqwbK eÜb 13. P I S Gi A·vBW `wy U cvwbi mv‡_ wewµqvq GwmW Drcbœ
K‡i †KvbwU?
1. ‡KvbwU mg‡hvRx †hŠM? K H3PO3 I H2SO4
L H3PO4 I H2SO4
K CsCl L FrCl
M H3PO4 I H2SO4
M BeCl2 N HBr
N H3PO2 I H2SO
2. [Cu(NH3)4]Cl2 ‡hŠMwU‡Z Cu Gi mwbœ‡ek msL¨v KZ? 14. Cl Gi A·vBW NaOH I Ca(OH)2 Gi mv‡_ c„_K
K3 L4 wewµqvq Drcbœ jeY n‡jv-
M5 N2 K NaClO4 I CaClO4
3. H2S Gi nvB‡Wªv‡Rb eÜb KZ ZvcgvÎvq fv‡½?
K 4 C L 10 C L Na2ClO4 I CaClO4
M 50 C N 100 C M NaClO4 I Ca(ClO4)2
4. ‡hŠMw¯Z’ †gŠj mg~‡ni Zwor FYvZKœ Zvi cv_©K¨ KZ n‡j N NaClO3 I Ca(ClO3)2
15. ‡Kv‡bv †gŠ‡ji cigvYiy †hvR¨Zv B‡jKUªb ns2 np6 n‡j
†hŠMwU‡Z †giæ _vK‡e?
GwUi MÖæc msL¨v n‡e †KvbwU?
K 0.5-1.7 L 1-2.1
M 2.5-3 N 3.1-3.5 K 8(8A) L 18(8A)
5. H2O I I2 Gi g‡a¨ †Kvb cÖKvi AvšÍtwµqv we`¨vgvb? M 6(6B) N 8(8A)
K WvB‡cvj-Avweó WvB‡cvj 16. wb‡¤œv³ B‡jKUªb web¨v‡mi cigvYyi †KvbwUi cvigvYweK
L Avweó WvB‡cvj-Avweó WvB‡cvj e¨vmv©a me‡P‡q eo n‡e?
M cwjgvi-cwjgvi eÜb K 1s2 2s1 L 1s2 2s2
N cwjgvi-g‡bvgvi eÜb M 1s2 2s2 2p1 N 2s2 2p2
6. ‡KvbwU cvwb‡Z A`ªeYxq? 17. wb‡Pi AYy¸‡jvi †KvbwU‡Z eÜb `~iZ¡ me‡P‡q Kg?
K C6H12O6 L C12H22O11 K H2 L N2
M SiO2 N NaCl M O2 N F2
7. ‡dwiK cvi‡K¬v‡iU Gi ms‡KZ †KvbwU? 18. ‡Kvb AiweUvjwU KLbI cvB ( ) eÜb MV‡b Ask †bq bv?
K Fe(ClO4)3 L Fe(ClO3)2 K s- AiweUvj L p- AiweUvj
M Fe(ClO3)3 N Fe(Cl2O4)2 M d- AiweUvj N f- AiweUvj
8. ‡Kvb †gŠ‡ji cigvYy †hvR¨Zv¯‡Í i ns2np5 B‡jKUªb web¨vm
_vK‡j H †gŠ‡ji Ae¯v’ b chvq© mviwY‡Z †Kv‡bv MÖæ‡c n‡e? 19. POCl3 MVbKv‡j †K›`ªxq cigvYyi †Kvb cÖKvi msKiY
N‡U?
K 15(5A) L 15(5B)
L sp2
M 15(7A) N 2(2A) K sp
9. PviwU n¨v‡jv‡R‡bi B‡jKUªb Avmw³i gvb (kJ/mol) M sp3 N sp3d
wb¤œiæc; G‡`i g‡a¨ †KvbwUi A¨vbvqb MV‡bi cÖeYZv †ewk 20. B‡jKUªb Avmw³i gvb Cl = –361 kJ mol-1, Br=–340
n‡e? kJ mol-1, I = –380 kJ mol-1 ‡Kvb ‡gŠjwUi FYvZœK
K F (–238) L Br(-325) Avqb MV‡bi ceÖ YZv mevw© aK?
M Cl(-349) N I(-295) K Br LI
10. wb‡Pi †Kvb Avq‡bi AvKvi me‡P‡q †QvU n‡e? M Cl N Cl Ges Br
K F– L O2– 21. C, H, O, N Ges S Gi Zwor FYvZ¥KZv h_vµ‡g 2.5,
M N3- N Na+ 2.1, 3.5, 3.0 Ges 2.5| wb‡Pi †Kvb eÜb me‡P‡q
11. chv©q mviwYi †Kvb MÖæ‡ci †gŠj¸‡jv Zxeª RviK? MÖæ †cvjvi?
K MÖæc-1 L MÖæc-2 K C–H L N–H
M S–H N O–H
M MÖæc-17 N MÖæc-16
22. ‡KvbwU‡Z eÜb †KvY me‡P‡q eo?
12. wb‡Pi †Kvb AvqbwUi A¨vbvqb‡K AwaK †cvjvwiZ Ki‡Z
cvi‡e? K H2O L SO2
M NH3 N CH4
K N3- L Mg2+
|
23. ei‡di GKwU AYy‡Z KqwU nvB‡Wªv‡Rb eÜb we`¨gvb? M HClO4 N HCl
K1 L2 36. Avgiv †h Pzb †L‡q _vwK Zvi ms‡KZ-
M3 N4 K Na2O LMgO
24. Fe(26) ‡gŠjwU †Kvb eø‡Ki AšÍ©MZ? M CaCO3 N Ca(OH)2
37. SiO2 Gi Rjxq `ªeY-
Ks Lp
Md Nf K Dfagx© L A¤øxq
25. M–2e M+2 MVb Ki‡j M avZz †KvbwU?
M ÿvixq N wbi‡cÿ
K ÿvi avZz L gr„ ÿvi avZz 38. ‡Kvb †gŠjwUi AvqwbKiY wefe me‡P‡q †ewk?
M Ae¯v’ šÍi avZz N AavZz K H L Li
26. M+ H M++e–; GLv‡b H ‡KvbwU? M Na NF
K B‡jKUªb Avmw³ L AvqwbKiY kw³ 39. ‡Kvb MÖæ‡ci †Kv‡bv DcMÖæc †bB?
M Zwor FYvZœK N Zwor abvZKœ K VIII L III
27. F Gi B‡jKUªb Avmw³ KZ? M VII N IV
K -333kJ/mol L -348kJ/mol 40. ‡Kvb †kÖYxf³~ †gŠj‡K Pvj‡Kv‡Rb ejv nq?
M -350kJ/mol N -390kJ/mol K IA L IIA
28. Cl Gi B‡jKUªb Avmw³ F ‡_‡K †ewk Gi KviY †KvbwU? M VIA N VIIA
K F Gi cvigvYweK fi 41. wb‡¤œi †Kvb †gŠjwU mvaviY ZvcgvÎvq Zij?
L Cl Gi 2q ¯‡Í ii B‡jKUª‡bi NbZ¡ K ns1 n‡Z ns2 L ns1 n‡Z ns2np5
M F Gi AvKvi M ns2 n‡Z ns2np5 N ns2 n‡Z ns2np6
N Cl Gi AvKvi 42. wb‡¤œi †Kvb †gŠwjK c`v_© mvaviY ZvcgvÎvq Zij?
29. GKwU †gŠ‡ji cvigvYweK msL¨v 35 ‡gŠjwUi Ae¯v’ b †Kvb K Rb L Cs
eø‡K?
M Cl2 N I2
K s- eøK L p-eøK 43. ‡Kvb †hŠMwU mn‡R cvwb‡Z `ªexfZ~ n‡e?
M d- eøK N f- eøK K XCl2 L YCl3
M XF2 N ZCl4
30. A Gi Zwor FYvZœKZv 0.9 Ges B Gi Zwor FYvZœKZv 44. OF2 ‡hŠMwU †Kvb agx©?
3.0| †gŠj A Ges B Gi g‡a¨ MwVZ †hŠ‡Mi eÜb Kx K cÖkg L A¤øagx©
ai‡bi?
M ÿviagx© N Dfqagx©
K AvqwbK L mg‡hvRx
45. ‡hŠM¸‡jv‡Z mg‡hvRx ˆewk‡ó¨i mwVK µg †KvbwU?
M mwbœ‡ek N avZe eÜb
K BeCl2>CaCl2>MgCl2
31. wb‡Pi †Kvb †gŠjwUi A·vBW me‡P‡q ÿvixq? L BeCl2> MgCl2>CaCl2
M MgCl2>CaCl2 > BeCl2
K Na L Cs N CaCl2 MgCl2 BeCl2
46. K4[Fe(CN)6]- Gi eÜb n‡jv-
M Mg N Sr
32. wb‡Pi †Kvb †gŠjwUi B‡jKUªb Avmw³ me‡P‡q †ewk?
K F L Cl K me¸‡jv AvqwbK
M O N Br L me¸‡jv mg‡hvRx
33. wb‡Pi †Kvb †hŠMwUi eÜb †KvY me‡P‡q †ewk?
M AvqwbK Ges mg‡hvRx
K wg‡_b L cvwb
N AvqwbK, mg‡hvRx Ges mwbœ‡ek mg‡hvRx
M A¨v‡gvwbqv N Kve©b WvB-A·vBW
47. A¤øagx© A·vBW †KvbwU?
34. H2O ‡hŠ‡M H Ges O e܇b we`¨gvb-
K CO L Al2O3
K s-sp msKi AiweUvj
M pbO2 N B2O3
L s-sp2 msKi AiweUvj
48. ‡Kvb †hŠMwU odd (we‡Rvo) B‡jKUªb AYy?
M s-sp3 msKi AiweUvj
K CO L CO2
N sp- sp3 msKi AiweUvj
M N2O N NO2
35. Cl2O7 cvwbi mv‡_ wewµqv K‡i ˆZwi K‡i-
49. ‡Kvb ai‡bi †gŠj cÖwZwbwaZ¡Kvix †gŠj ejv nq?
K Cl2 L HOCl
|
K s I d eøK †gŠj L p I s eøK †gŠj 64. ‡Kvb †gŠ‡ji ewnt¯’ B‡jKUªb web¨vm ns1?
M s I f eøK †gŠj N d I f eøK †gŠj K ÿvi avZz L g„rÿvi avZz
50. wb‡Pi †Kvb †gŠjwUi AvqwbKiY kw³ me‡P‡q †ewk? M p- eøK N Ae¯v’ šÍi avZz
K Na L As 65. Ca I Mg Kx cÖK…wZi avZ?z
MS N Cl K ÿvi L gr„ ÿvi
51. Sr ‡Kvb ai‡bi avZ?z
M Ae¯v’ šÍi N g`y ªv
K ÿvixq L gr„ ÿvixq 66. ‡Kvb †gŠ‡ji ewnt¯’ B‡jKUªb web¨vm ns2?
M A¤øxq N wbi‡cÿ K gy`ªv avZz L g„rÿvi
52. Xe- Gi cvigvYweK msL¨v 54 Gi A_© Kx? M ÿvi avZz N wbw®Œq ‡gŠj
K †cÖvUb msL¨v 54 L B‡jKUªb msL¨v 54 67. Cl (17) ‡Kvb eø‡Ki †gŠj?
M wbDUªb msL¨v 54 N fimsL¨v 54 Ks Lp
53. wb‡Pi †Kvb MÖæ‡ci †gŠjmg~n Ae¯v’ šÍi †gŠj? Md Nf
68. chv©q mviwYi MÖæc IIIA n‡Z VIIA ‡gŠj¸‡jv †Kvb eø‡Ki
K Sc, Fe, Cu, Cr L Fe, Co, Ni, Zn
AšÍ©MZ?
M Cr, Mn, Fe, Cu N Sc, Cr, Fe, Zn
54. ‡KvbwU AvqwbKiY wef‡ei mwVK µg? Ks Lp
K Be>B>N>O L Be>B> O > N Md Nf
69. ‡Kvb †gŠ‡ji ewnt¯’ kw³¯Í‡ii B‡jKUªb web¨vm ns2 np5?
M N>O>B>Be N N>O>Be>N
55. ‡Kvb Avq‡bi AvKvi ÿz`ªZg? K s- eøK †gŠj L d-eøK †gŠj
K Na+ L Mg2+ M n¨v‡jv‡Rb N gr„ ÿvi avZz
M Al3+ N Ne 70. Fe(26) ‡gŠjwU †Kvb eø‡Ki AšÍ©MZ?
56. ‡Kvb †d¬vivBW me‡P‡q †ewk AvqwbK? Ks Lp
K NaF L CsF Md Nf
71. ÔBÕ DcMÖæ‡ci †gŠjmg~n †Kvb eø‡Ki AšÍ©MZ?
M MgF2 N BaF2
57. ‡Kvb †gŠ‡ji †Rvo¸wj `ªæZ wewµqv K‡i? Ks Lp
K Li+Br2 L Li+Cl2 Md Nf
72. d-eøK †gŠjmg‡ni wmwiR KqwU?
M K+Br2 N K+Cl2
58. chv©q mviwYi †gŠjmg~n‡K B‡jKUªb web¨v‡mi Dci wfwË K2 L3
K‡i KZ cÖKv‡i wef³ Kiv nq? M4 N5
73. d-eøK †gŠ‡ji wmwi‡Ri cÖKvi‡f` bq †KvbwU?
K1 L2
M3 N4 K 2d L 3d
59. ‡KvbwU chv©q mviwYi †gŠjmg~‡ni cÖKvi‡f` bq?
M 4d N 5d
K wbw®Œq M¨vm L cÖwZwbwaZ¡ †gŠj 74. d-eøK †gŠjmg‡~ ni cÖK„wZ Kxiæc?
M d-eøK †gŠj N Ae¯v’ šÍi †gŠj K avZz L AavZz
60. chv©q mviwYi k~b¨ MÖæ‡c †KvbwU Aew¯Z’ ? M ÿvi avZz N wbw®Œq
K ÿvi avZz L n¨v‡jv‡Rb 75. d-eøK †gŠjmg‡~ ni mv‡_ m¤ú©wKZ ˆewkó¨ †KvbwU?
M g„rÿvi avZz N †bv‡ej M¨vm K Giv RviYagx©
61. ‡bv‡ej M¨vm mg~‡ni ewnt¯’ ¯‡Í ii B‡jKUªb web¨vm †KvbwU? L Gi weRviYagx©
K (n-1)d2 ns2 L ns2 np6 M G‡`i A·vBW A¤øxq
M ns2 N ns1 N Giv mevB Ae¯’všÍi avZz
62. cÖwZwbwaZ¡ †gŠjmgn~ †Kvb MÖæ‡ci m`m¨? 76. ÔGiv weRviYagx©Õ cwieZb©kxj †hvRbx cÖ`k©b K‡i Ges
RwUj †hŠM MVb K‡iÕ- K_vwU cÖ‡hvR¨ †Kvb eø‡Ki †gŠj
K A DcMÖæc L B DcMÖæc
M MÖæc VIII N kb~ ¨ MÖæc m¤ú©‡K?
63. s I p eøK †gŠjmg~n †Kvb MÖæ‡ci m`m¨? Ks Lp
K A DcMÖæc L B DcMÖæc Md Nf
M MÖæc VIII N kb~ ¨ MÖæc
|
77. ‡Kvb †gŠ‡ji w¯w’ Zkxj Avq‡b d AiweUvj B‡jKUªb Øviv M s-eøK †gŠj N d-eøK †gŠj
Ac~Y© _v‡K?
90. hv‡`i ewnt¯’ B‡jKUªb s AiweUv‡j Zv‡`i Kx ‡gŠj ejv
K s-eøK †gŠj L f-eøK †gŠj nq?
M Ae¯v’ šÍi avZz N Avš:Í Ae¯’všÍi avZz K s eøK L p eøK
78. ÔSc’ avZwz U †Kvb eøK Gi ‡gŠj? M d eøK N f eøK
Kp Ls 91. Li, Na, K G¸‡jv Kx avZz bv‡g cwiwPZ?
Md Nf K gÿ„ vi avZz L ÿvi avZz
79. weij gw„ ËKv avZmz gn~ †Kvb¸‡jv?
M weij gw„ ËKv N AcavZz
K j¨všv’ bvBW wmwiR L A¨vKwUbvBW wmwiR 92. ‡Kvb avZ¸z ‡jv‡K Ae¯v’ šÍi †gŠj ejv nq?
M MÖæc VIII N g`y ªv avZz K hv‡`i d AiweUvj cY~ ©
80. Avawy bK chv©q mviwYi ÎæwU †KvbwU? L hv‡`i d AiweUvj Ac~Y©
K MÖæc IA M hv‡`i f AiweUvj AcY~ ©
L MÖæc VIIA N hv‡`i s AiweUvj c~Y©
M j¨všv’ bvBW I A¨vw±bvBW 93. ‡Kvb †gŠj¸‡jv A¨vw±bvBW wmwiR bv‡g cwiwPZ?
N wbw®Œq M¨vm K j¨všv’ bvg n‡Z jy‡Uwmqvg
81. d-eøK †gŠjmg‡~ ni †KvbwU‡Z 4s AiweUv‡j 1wU B‡jKUªb L †mvwWqvg n‡Z g¨vM‡bwmqvg
i‡q‡Q? M †ewiqvg n‡Z ÷ªbwmqvg
K Mn(25) L Fe(26) N A¨vw±wbqvg n‡Z j‡ibwmqvg
M Ni(28) N Cu(29) 94. f- eøK †gŠj¸‡jv‡K Kx ejv nq?
82. ‡Kvb †gŠj ivmvqvwbKfv‡e Aw·‡R‡bi Abiy æc? K Av`©k avZz L Ae¯v’ šÍi avZz
K Mg L Na M AvštÍ Ae¯v’ šÍi avZz N gr„ ÿvixq avZz
M S N Cl 95. p eøK †gŠj ejv nq †Kvb¸‡jv‡K?
83. kw³¯‡Í i s2 p6 B‡jKUªb web¨vmwewkó †gŠjmgn~ ‡K Kx e‡j?
K IA, IIA MÖæ‡ci †gŠjmg~n
K cÖwZiæcx †gŠj L Ae¯v’ šÍi †gŠj
L IIIA, IVA, VA, VIA, VIIA Ges 0 MÖæ‡ci
M Avš;Í Ae¯’všÍi †gŠj N wbw®Œq M¨vm †gŠjmg~n
84. n¨v‡jv‡R‡bi †ÿ‡Î wb‡¤œi †Kvb mvaviY B‡jKUªb web¨vmwU M B MÖæc I VIIA MÖæ‡ci †gŠjmgn~
cÖ‡hvR¨?
N A¨vKwUbvBW wmwi‡Ri †gŠjmgn~
K ns2 np3 L ns2 np4
96. Mn, Fe, Co, Ni, Cu ‡gŠjmg~n‡K ejv nq?
M ns2 np5 N ns2 np6 (n-1)d6
K Ae¯v’ šÍi avZz L cÖwZwbwaZ¡ †gŠj
85. s2 p5 KvVv‡gvi †gŠj¸‡jv Kx bv‡g cwiwPZ?
M ÿvi avZz N j¨všv’ bvBW
K wbw®Œq M¨vm L g„wËKv avZz
97. Zn ‡Kvb eø‡Ki †gŠj?
M n¨v‡jv‡Rb N ÿvi avZz
K s-eøK L P eøK
86. ‡Kvb †gŠj¸‡jv GKB MÖæ‡ci Aš©fÍ ³z ?
M d- eøK N f eøK
K Li, Na, K L Fe, Co, Ni
98. d- eø‡K KZwU †gŠj i‡q‡Q?
M Cu, Ag, Fe N C, N, O
K 30 L 34
87. cUvwmqvg †Kvb †kÖwYi AšÍ©f³z ?
K n¨v‡jv‡Rb L weij M¨vm M 40 N 29
M ÿvi avZz N ÿvi g„wËKv avZz 99. ‡Kvb †gŠjwU p eø‡Ki AšÍM©Z?
88. ‡gŠjmg‡~ ni ag© cÖavbZ †KvbwUi Dci wbf©i K‡i? K Li L Cu
MP N Ca
K †Kvb †kÖwY‡Z Aew¯Z’ 100. ‡KvbwU p eøK †gŠj?
L †Kvb chv©‡q Aew¯Z’ K Na L Si
M e– web¨v‡mi Dci M Ca N Fe
101. s eø‡K KqwU †gŠj?
N AvYweK f‡ii Dci
89. MÖæc-IB I MÖæc- IIB Gi †gŠjmgn~ Kx bv‡g cwiwPZ? K 14 L 27
K ÿvi avZz L gr„ ÿvi avZz
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M 30 N 40 M Ni, Co, Fe N Zn, Cd, Hg
102. ‡Kvb B‡jKUªb web¨vmwU mwVK? 113. ‡Kvb †gŠ‡ji B‡jKUªbxq web¨vm n‡jv 2, 8, 1| chvq©
K Kr(36) = 1s2 2s2 2p6 3s2 3p6 3d104s14p5 mviwY‡Z Gi Ae¯’vb-
L Ca++ = 1s2 2s2 2p6 3s2 3p6 4s1 K MÖæc I chvq© 3 L MÖæc IV chvq© 1
M Sc(21) = 1s2 2s2 2p6 3s2 3p6 4s2 4p1
N Zn++ = 1s2 2s2 2p6 3s2 3p6 3d10 M MÖæc I chvq© 4 N MÖæc IV chvq© 3
103. GKwU †gŠj hvi cigvYiy †kl B‡jKUªb d AiweUv‡j hvq,
114. GKwU †gŠ‡ji B‡jKUªbxq web¨vm 2, 8, 18, 8, 2 chvq©
mviwY‡Z Zvi Ae¯v’ b †Kv_vq?
Zv‡`i Kx e‡j? K 4_© chv©‡q, IIA †kÖwY‡Z
K s eøK †gŠj L p eøK †gŠj L 5g chv‡© q, IIA †kÖwY‡Z
M d eøK †gŠj N f eøK †gŠj M 3q chv©‡q, IA †kÖwY‡Z
104. chv©q mviwYi †Kvb MÖæ‡c gr„ ÿvixq avZzi Ae¯v’ b? N 5g chv‡© q, VIA †kÖwY‡Z
K MÖæc IA L MÖæc IIA 115. Al †Kvb †gŠ‡ji mv‡_ m¤úK©h³y ?
M MÖæc IIIB N MÖæc IIIA K Li L Be
105. ‡Kv‡bv †gŠ‡ji B‡jKUªb web¨vm wb¤œiƒc: [Ar]3d104s1| MC NB
GwU wb‡¤œi †Kvb †kÖwYi Aš©fÍ ³z ? 116. chv©q mviwY‡Z †KvbwU †gŠ‡ji chvq© wbav©iY K‡i?
K n¨v‡jv‡Rb L ÿvi avZz K gyL¨ †Kvqv›Uvg msL¨v
M Ae¯v’ šÍi avZz N wbw®Œq M¨vm L m‡ev”© P cÖavb †Kvqv›Uvg msL¨v
106. GKwU †gŠ‡ji cvigvYweK msL¨v 29| †gŠjwU †Kvb eø‡Ki M ewnt¯’ ¯Í‡i B‡jKUªb msL¨v
AšÍ©fz³|
N mnKvix †Kvqv›Uvg msL¨v
K s- eøK L p-eøK
117. chv©q mviwY‡Z †Kv‡bv MÖy‡c †gŠ‡ji Ae¯’vb, Zv wb‡Pi
M d-eøK N f-eøK †KvbwU Øviv wb‡`©wkZ nq?
107. chv©q mviwYi GKB chv‡© qi AšÍ©fz³ †gŠ‡ji D`vniY K cigvYiy ewnt¯’ ¯Í‡i B‡jKUª‡bi msL¨v Øviv
†Kvb¸‡jv?
L cigvYiy ewnt¯’ ¯Í‡ii gyL¨ †Kvqv›Uvg msL¨v Øviv
K Na, Mg, Al L H, N, Cl
M cigvYy‡Z we`¨gvb †gvU B‡jKUªb msL¨v Øviv
M P, S, K N C, N, O
N gyL¨ I mnKvix ‡Kvqv›Uvg msL¨v mgwó (n+ℓ) Øviv
108. ‡mvwWqvg †gŠjwU chv©q mviwYi †Kvb chv©q Av‡Q|
118. ‡Kvb ‡gŠ‡ji †hvRbx B‡jKUªb msL¨v hZ H ‡gŠ‡ji Ae¯’vb
K 1g chv©q L wØZxq chvq©
ZZ b¤^i MÖ‡y c; 69, 70, 71 †gŠjmg‡~ ni Ae¯v’ b chvq©
M Z…Zxq chvq© N PZz_© chv©q mviwYi †Kvb MÖ‡y c?
109. GKwU †gŠ‡ji me©ewnt¯‡Í ii AvUwU B‡jKUªb Av‡Q| chvq© K IIB L IIIB
mviwY‡Z Zvi Ae¯v’ b †Kv_vq?
M IIB, IIIB, IVB N IVB
K VIII A MÖæ‡c L VIII B MÖæ‡c 119. ‡h †gŠ‡ji cvigvYweK msL¨v 11, chvq© mviwY‡Z Zvi
M I MÖæ‡c N 0 MÖæ‡c Ae¯v’ b †Kv_vq?
110. dmdivm ‡gŠjwU chv©q mviwYi †Kvb chv‡© q Ges †Kvb MÖ‡y c K 2q chv©q L 3q chv©q
Av‡Q?
M 4_© chv©q N 5g chvq©
K 3q chv©q Ges 5g MÖæ‡c
120. ‡h †gŠ‡ji cvigvYweK msL¨v 17 chv©q mviwY‡Z Zvi
L 5g chvq© Ges 3q MæÖ ‡c Ae¯v’ b †Kv_vq?
M 3q chv©q Ges 2q MÖæ‡c K wØZxq chvq© 6ô McyÖ
N 5g chvq© Ges 2q MÖæ‡c L ZZ… xq chvq© 5g MÖcy
111. MÖæc VA- ‡Z AšÍ©f³z †gŠj¸‡jv Kx Kx? M Z…Zxq chvq© 7g MÖcy
K bvB‡Uªv‡Rb, dmdivm, Av‡m©wbK, A¨vw›Ugwb, wemgv_ N Z„Zxq chvq© 4_© MÖcy
L bvB‡Uªv‡Rb, Aw·‡Rb, dmdivm, Av‡m©wbK, wemgv_ 121. 21 cvigvYweK msL¨v wewkó GKwU cigvYy †h †kÖwY‡Z
_vK‡e Zv †Kvb †gŠjmg~n?
M Aw·‡Rb, mvjdvi, †m‡jwbqvg, †Ujywiqvg, A¨vw›Ugwb
N Aw·‡Rb, dmdivm, †Ujwy iqvg, †cv‡jvwbqvg K ÿvixq avZzmgn~ L Ae¯v’ šÍi avZz
112. chv©q mviwYi IIB MÖæ‡ci †gŠjmg~n Kx Kx? M wbw¯Œq M¨vmmgn~ N n¨v‡jv‡Rbmg~n
K Cu, Ag, Au L Na, K, Li
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122. 24 cvigvYweK msL¨v wewkó †gŠjwUi Ae¯v’ b chvq© mviwYi M w¯i’ _v‡K N AwbqwgZ
†Kvb chv©‡q?
134. j¨všv’ bvBW ms‡KvPb †Kvb †gŠj؇qi †ÿ‡Î cÖ‡hvR¨?
K 4_© L 3q K Sc, Zn L Na, K
M 2q N 1g M F, Cl N Ne, Ar
123. P- Gi cvigvYweK msL¨v nj 15, †gŠjwU chv©q mviwYi 135. MÖcy IA G me‡P‡q kw³kvjx †gŠj †KvbwU?
†Kvb chv©‡qi AšÍ©f³z ?
K Na LK
K 3q L 5g M Cs N Fr
M 2q N 1g 136. wbw®Œq M¨vm¸‡jvi AvqwbKiY kw³ gvb Kxiƒc?
124. wØZxq chv‡© qi Ges MÖæc 14(IVA)- Gi Aš©fÍ ³z GKwU K Ley wb¤œ L Ley D”P
†gŠ‡ji cigvYy wb¤œZg kw³ Ae¯v’ q i‡q‡Q| cigvYywUi M ¯v^ fvweK N k~Y¨
†hvR¨Zv ¯Í‡i B‡jKUª‡bi msL¨v KZwU? 137. †Kvb cigvYwy U mn‡RB GKwU B‡jKUªb Z¨vM K‡i?
K1 L2 K K L Ca
M3 N4 M Rb N Sr
125. †KvbwU chvq© eË„ ag© bq?
138. ‡KvbwU †gŠjwU mn‡RB +2 Avqb MVb Ki‡e?
K MjbvsK L ùzUbvsK K Aw·‡Rb L †mvwWqvg
M B‡jKUªb N AvqwbK ag© M K¨vjwmqvg N A¨vjywgwbqvg
126. MÖyc VIIA G hZ wb‡Pi w`‡K hvIqv hvq Zvi MjbvsK I 139. Z…Zxq chv‡© qi †Kvb †gŠjwU mevw© aK AvqwbKiY kw³
wewkó?
ùzUbvsK evovi KviY †KvbwU?
K avZe eÜb Abcy w¯Z’ K GKwU wbw®Œq M¨vm
L AvštÍ AvYweK AvK©lY ej †bB L GKwU n¨v‡jv‡Rb
M AvKvi e„w× M GKwU ÿvi avZz
N cvigvYweK e¨vmva© ew„ × N GKwU g„rÿvixq avZz
127. †h †Kvb chv©‡q MjbvsK I ùUz bvs‡Ki cwieZ©b †KvbwU? 140. †Kvb †gŠjwUi †ÿ‡Î AvqbxKiY kw³ mew© b¤œ?
K wbqwgZ L AwbqwgZ K Na L Li
M ev‡o N K‡g M K N Rb
128. GKB chv©‡q †gŠj mg‡~ ni MjbvsK I ùzUbvs‡Ki †Kv‡bv 141. ‡KvbwU ‡gŠjwUi †ÿ‡Î AvqwbKiY kw³ mevw© aK?
wbqwgZ cwieZb© †`Lv hvq bv †Kb?
K Be LB
K MVb GKB L MVb wfbœ MC NN
M Giv wbw®Œq N Giv ÿvi avZz 142. ‡Kvb †gŠ‡ji avZe ‰ewkó¨ mev©waK?
129. Na, Mg, Al Gi †gŠjmg‡~ ni g‡a¨ †Kvb cÖKvi eÜb K Si L Sn
we`¨gvb?
M Ge N Pb
K avZe eÜb L AavZe eÜb 143. ‡KvbwUi AvqwbK kw³ me‡P‡q Kg?
M AvqwbK N mg‡hvRx K N L Be
MB NC
130. dmdiv‡mi GKwU AYyi ms‡KZ †KvbwU? 144. †KvbwUi AvqwbKiY kw³ me‡P‡q Kg?
K P L P2 K Na L Ci
M P3 N P4 M K N Cs
131. mvjdv‡ii GKwU AYiy ms‡KZ †KvbwU? 145. †Kvb †gŠjwUi cÖ_g AvqwbKiY kw³ mew© b¤œ?
K S4 L S6 K Ne L Ar
M S8 N S10 M Kr N Xe
132. S8 I P4 AYiy g‡a¨ †Kvb cÖKvi ej we`¨gvb? 146. †Kvb †gŠjwUi AvqwbKiY wefe me©wb¤œ?
K AvqwbK L mg‡hvRx K Na L Al
M f¨vÛviIqvjm N avZe M S N Ar
133. d I eøK †gŠ‡ji cvigvYweK msL¨v ew„ ×i mv‡_ G‡`i 147. †Kvb †gŠjwUi cÖ_g AvqwbKiY kw³ mev©waK ?
AvKv‡ii Kxiƒc cwieZ©b nq? K Be LC
K ev‡o L K‡g
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MN NO N Al(s) Al3+ (g); cÖ‡qvRbxq kw³i cwigvY 5133
148. ‡KvbwUi B‡jKUªb Avmw³ mevw© aK?
KJmol-1
KO LS 158. ‡KvbwU IE1 Gi mwVK µg?
M Se N Te K Ne>F>O>NC>B
149. g„ÿvixq avZzi †ÿ‡Î MÖ‡y ci Dci †_‡K wb‡P wb‡gv³ L Ne>F>O>N>C>B
ag©¸‡jvi †KvbwUi n«vm N‡U? M Ne>F>O>N>C>B
K cvigvYweK e¨vmva© L cÖ_g AvqwbKiY kw³ N Ne<F<O<N<C<B
159. cigvYyi ewnt¯¯’ iÍ †_‡K B‡jKUªb AcmviY Ki‡Z †h kw³i
M AvqwbK e¨vmva© N cvigvYweK AvqZb
cÖ‡qvRb nq Zv‡K Kx e‡j?
150. †Kvb ‡kÖwYi †ÿ‡Î AvqwbK kw³ mew© b¤œ?
K n¨v‡jv‡Rb L wbw®Œq M¨vm K cvigvYweK kw³ L eÜb kw³
M ÿvixq avZz N ÿviKxq g„wËKv avZz M wefe kw³ N AvqwbKiY kw³
151. †KvbwUi 1g AvqbxKiY kw³i gvb †ewk? 160. me© cÖ_g Zwor FYvZ¥KZvi aviYv †`qv nq?
KN LO K 1930 L 1932
MF NC M 1960 N 19822
152. K cigvYyi 1g AvqbxKiY kw³ gvb KZ?
161. H Gi Zwor FYvZ¥KZv 2.1 n‡j F Gi Zwor FYvZ¥KZv
K 520 kJ/mol L 1320 kJ/mol KZ?
M 418 kJ/mol N 495 kJ/mol K 2.1 L 2.1
M ≥ 2.1 N ≤ 2.1
153. cÖ_g AvqwbKiY kw³i µg?
162. Zwor FYvZ¥KZvi cv_©K¨ Ley †ewk n‡j †Kvb cÖKvi eÜb
K B<Be<C<O<N ˆZwi nq?
L Be<B<C<N<O K AvqwbK L mg‡hvRx
M B<Be<C<N<O
N Be<B<C<O<N M mwbœ‡ek N nvB‡Wªv‡Rb
154. C, N, O Ges F- Gi wØZxq AvqwbKiY kw³i mwVK µg
163. `y‡Uv †gŠ‡ji g‡a¨ Zwor FYvZ¥KZvi cv_©K¨ _vK‡j Zv‡`i
†KvbwU? †kqvi KZ… B‡jKUªb¸‡jv Kxfv‡e _vK‡e?
K C>N>O>F L O>N>F>C K mgvb fv‡e †kqvi Ki‡e
M O>F>N>C N F>O>N>C L AwaK Zwor FYvZ¥KZvi Kv‡Q _vK‡e
155. PviwU †gŠ‡ji B‡jKUªb web¨vm †`Iqv n‡jv| †KvbwUi cÖ_g M Kg FYvZ¥KZvi wbK‡U _vK‡e
AvqwbKiY kw³ m‡ev”© P? N AwaK abvZ¥KZvi wbK‡U _vK‡e
K 1s2 2s2 2p3 164. ‡Kv‡bv MÖæ‡c Dci n‡Z wb‡P †KvbwU ew„ × cvq?
L 1s2 2s2 2p4
M 1s2 2s2 2p6 3s1 K avZe ag© L Zwor FYvZ¥KZv
N 1s2 2s2 2p6 3s2 3p3 M AavZe ag© N AvqwbKiY kw³
156. chv©qµwgK AvqbxKiY kw³, (†hgb, cÖ_g, wØZxq, Z…Zxq
165. `y‡Uv †gŠ‡j mvgvb¨ Zwor FYvZ¥KZvi cv_©K¨ _vK‡j
BZ¨vw`) cigvYyi †kj KvVv‡gvi cÖgvY cÖ`vb K‡i| wmwjKb †hŠMwUi ˆewkó¨ Kxiƒc?
cigvYiy †ÿ‡Î †Kvb AvqvwbKiY kw³, c~e©eZx© AvqwbKiY K 100% mg‡hvRx L 100% AvqwbK
kw³ †_‡K A¯^vfvweK ‡ewk? M AvswkK mg‡hvRx N AvswkK AvqwbK
K wØZxq L Z…Zxq 166. MÖæc 16(VIA) Gi †gŠjmg~‡ni g‡a¨ †KvbwUi B‡jKUªb
M PZy©_ N cÂg MÖn‡Yi cÖeYZv mevw© aK?
157. Al- Gi †ÿ‡Î IE1, IE2 Ges IE3 Gi gvb h_vµ‡g 579, K Te LS
1814 Ges 2740 kJmol-1 wb‡Pi †Kvb e³e¨wU mwVK?
M Se NO
K Al(g) Al3+ (g); cÖ‡qvRbxq kw³i cwigvY 5133 167. GKB kZv©ejx‡Z MÖæc VIIA †gŠjmg‡~ ni †KvbwUi B‡jKUªb
KJmol-1 MÖn‡Yi cÖeYZv me‡P‡q Kg?
L Al(g) Al3+ (g); cÖ‡qvRbxq kw³i cwigvY2740 K ‡d¬vwib L Av‡qvwWb
KJmol-1 M †evª wgb N †K¬vwib
M Al(s) Al3+ (g); cÖ‡qvRbxq kw³i cwigvY1814
KJmol-1
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168. ‡d¬vwi‡bi GKwU cigvYy Aw·‡R‡bi GKwU cigvYy †_‡K M4 N5
ÿz`ªZi| Gi GKwU m¤¢ve¨ e¨vL¨v n‡jv- Aw·‡R‡bi Zjz bvq
†d¬vwi‡bi i‡q‡Q- 177. mg‡hvRx eÜb m¤úwK©Z gZev` KqwU?
K2 L3
K ÿ`z ªZi RviY msL¨v M4 N5
178. N2 †Z N–N ci¯úi KZwU eÜb Øviv h³y n‡e?
L ÿz`ªZi cvigvYweK msL¨v
M D”PZi wbDwK¬qvi PvR© K1 L2
N AwaKZi AhMy ¥ B‡jKUªb M3 N4
169. p AiweUv‡ji AvK…wZ Kxiƒc? 179. Kve©‡bi m¤ú„³ †hŠ‡M Kve©‡bi †Kvb msKiYwU we`¨gvb?
K e„ËvKvi L NbKvKvi K sp L sp2
M Wv‡¤^jvKvi N †MvjKvKvi M sp3 N sp3d
170. d- AiweUv‡ji AvKw… Z Kxiƒc? 180. wØeÜb hy³ Am¤ú„³ ˆRe †hŠ‡M Kve©‡bi †Kvb msKiYwU
K Wv‡¤^jvKvi L eË„ vKvi we`¨gvb?
M Wvej-Wv‡¤^jvKvi N †MvjKvKvi K sp L sp2
M sp3 N sp3d
171. + 181. wÎeÜb hy³ Am¤ú³„ ˆRe †hŠ‡M Kve©‡bi †Kvb msKiYwU
AwaµgY N‡U‡Q Kxfv‡e? we`¨gvb?
K s Ges p AiweUv‡ji mvgbvmvgwb AwaµgY
L s Ges p AiweUv‡ji cvkvcvwk AwaµgY K sp3d L sp3
M s Ges s AiweUv‡ji cvkvcvwk AwaµgY
N s Ges d AiweUv‡ji mvgbvmvgwb AwaµgY M sp2 N sp
182. ‡Kvb †hŠMwU‡Z Kve©b cigvYiy sp2 msKiY i‡q‡Q?
K C6H6 L C8H15Cl3
M C8H14Cl2 N C8H17Cl
172. + 183. ‡Kvb AiweUv‡ji w`K`kx© ag© Av‡Q?
AwaµgY N‡U‡Q wKfv‡e? K 1s L 2s
K p I p AiweUv‡ji cvkvcvwk AwaµgY
L p I s AiweUv‡ji g‡y LvgywL AwaµgY M 2p N 3s
M p I d AiweUv‡ji g‡y Lvgwy L AwaµgY
N p I p AiweUv‡ji mvgbvmvgwb AwaµgY 184.
y
z
173. + AwaµgY AiweUv‡ji bvg Kx?
N‡U‡Q wKfv‡e? K Px L Py
M Pz N dx2 y2
K p I Gi cvkvcvwk AwaµgY 185. HCl AY‡y Z †Kvb eÜbwU we`¨gvb?
L p I s Gi gy‡LvgywL AwaµgY K s-p eÜb L p-p eÜb
M p I p Gi cvkvcvwk AwaµgY M s-p eÜb N p-p eÜb
N p I p Gi gy‡Lvgwy L AwaµgY 186. F2 AYy‡Z †Kvb bond we`¨gvb?
174. ‡KvbwU Am¤ú³„ †hŠM? K s-p bond L p-p bond
K NH3 L HCN M s-p bond N p-p bond
M CH4 N BF3 187. ‡Kvb †hŠMwU‡Z bond Av‡Q?
175. ‡Kvb mg‡hvRx hMy j m¤ú„³? K C2H4 L C2H6
K NH3, CO2 L CH4, SO2 M C3H8 N C4H10
MBF3, H2O N HCN, SO3 188. ‡Kvb †gŠjwUi mew© b¤œ †hvRbx `By ?
176. mg‡hvRx eÜb KZ cÖKvi? K Cl LC
K2 L3 M H N Na
189. nvBweªWvw‡Rkb gZev` Dc¯v’ cb K‡i †Kvb weÁvbx?
|
K cwjs L ûÛ M sp2 N dsp2
M ev‡R©wjqvm N Dnjvi 204. CH4 G Kve©b cigvYiy Kx ai‡bi nvBweªWvB‡Rkb nq?
190. Kve©‡bi †Kvb msKiYwU m¤¢e? K sp L sp2
K sp3d L sp2d M sp3 N dsp2
M spd N sp 205. ‡KvbwU‡Z sp3 nvBweªWvB‡Rkb n‡q‡Q?
191. H – C – H eÜb †KvY 10928 †Kvb †hŠ‡Mi? K HCN L C2H2
K CH4 L C2H2 M BF3 N NH
4
M C2H4 N C3H6 206. sp3 msKwiZ †hŠ‡Mi AYyi AvKw… Z Kx ai‡bi N‡U?
192. CH4 AY‡y Z KqwU bond Av‡Q? K PZz¯ÍjKxq L mij‰iwLK
K 2wU L 3wU M mgZjxq wÎfzRvK…wZi N †ejbvKw… Zi
M 4wU N 5wU 207. ‡Kvb †hŠM hyM‡j sp3 nvBweªWvB‡Rkb n‡q‡Q?
193. C2H4 AY‡y Z C – H eÜbmg~n wb‡Pi †Kvb AiweUvj؇qi K PCl5, NCl3 L CH4, H2O
Awaµg‡Yi d‡j MwVZ n‡q‡Q?
M NH3, BCl3 N C2H4, C2H2
K C(sp) + H(2s) L C(sp2) + H(1s) 208. CH4 G AYy‡Z C cigvYiy g³y ‡Rvo B‡jKUªb KZ¸‡jv?
M C(sp2) + H(2s) N C(sp3) + H(1s)
194. Kve©‡bi AiweUv‡j msKixKiY KZ ai‡bi? K1 L4
M 2 N ‡bB
K2 L3 209. NCl3 AY‡y Z N cigvYyi eÜb †Rvo B‡jKUªb KZ¸‡jv?
K1 L2
M4 N5
195. sp3 AiweUv‡ji msKixKiY KZ ai‡bi? M3 N4
K mgZjxq w·KvbvKvi L mij‰iwLK 210. H2O-i AYy‡Z eÜb‡Rvo B‡jKUªb 2 †Rvov I gy³‡Rvo
B‡jKUªb 2 †Rvov| H2O †Z O cigvYyi msKi AiweUvj
M PZ¯z ÍjKxq N AóKZjxq KZ¸‡jv?
196. B‡_‡b C – C eÜb ˆ`N¨© KZ?
K 0.106 nm L 0.110 nm K1 L2
M 0.134 nm N 0.154 nm M3 N4
197. cÖwc‡b C=C eÜb ˆ`N¨© KZ? 211. NH I [B(NH3)]F3 ‡hŠ‡M N Gi †Kvb ai‡bi
4
K 0.106 nm L 0.110 nm msKivqb N‡U‡Q?
M 0.134 nm N 0.154 nm K dsp2 L sp2
M sp3 N sp
198. A¨vwmwUwj‡b C C eÜb ˆ`N¨© KZ? 212. MÖvdvB‡Ui Mjbv¼ KZ?
K 0.106 nm L 0.110 nm
M 0.120 nm N 0.134 nm K 3730C L 3230C
199. Bw_‡bi AvKvi Kxiƒc?
M 3030C N 3330C
K mij‰iwLK L mgZjxq UªvB‡Mvbvj 213. ‡KvbwU cvwb‡Z AwaK `ªeYxq?
M PZz¯ÍjKxq N Uªv‡Mvbvj K BeSO4 L MgSO4
200. ‡ebwRbPµ Avwe®‹vi K‡ib †K? M CaSO4 N SrSO4
K ‡MvKjz L †KKzj 214. wb‡Pi †Kvb †hŠMwU †mwg †gvjvi?
M eKjz N ivDwj K Zwor †hvRx †hŠM L mg‡hvRx †hŠM
201. ‡ebwR‡b C = C `~iZ¡ KZ? M avZe †hŠM N mwbœ‡ek †hŠM
K 0.154 nm L 0.133 nm 215. wb‡Pi †Kvb †hŠMwU cvwb‡Z A`ªeYxq?
M 0.139 nm N 0.109 nm K FIF3 L AgCl
202. ‡ebwR‡b †Kvb ai‡bi msKiY N‡U? M CaCl2 N AgF
K sp L sp2 216. wb‡Pi †Kvb †gŠjwUi B‡jKUªb Avmw³ mevw© aK?
M sp3 N dp2s K Al LP
203. GKB kw³¯‡Í ii 1wU s I 2wU p AiweUvj msKwiZ n‡q Kx M S N Si
217. wb‡Pi †KvbwU wbi‡cÿ?
ai‡bi AiweUvj ˆZwi Ki‡e?
K sp L sp3 K N2O L N2O3
|
M N2O4 N O2F3 M F O N Cl N Cl F O N
233. wb‡Pi †Kvb jeYwU †ewk DØvqx?
218. wb‡¤œi †gŠjmg~‡ni †Kvb †mUwU‡Z mevw© aK a‡g©i wgj
i‡q‡Q? K Na2SO4 L NaNO3
K P, As, Sb L Na, K, Mg M CuCO3 N NaCl
M O, S, Sb N C, P, N 234. wb‡Pi †Kvb †hŠMwUi Mjbv¼ me‡P‡q †ewk?
219. wb‡Pi †KvbwU †d‡ivg¨vM‡bwUK? K BeCl2 L MgCl2
K Sc L Co M CuCl2 N AlCl3
M Zn N Al 235. wb‡¤œi †Kvb †hŠMwUi Mjbv¼ me©wb¤œ?
220. Kve©b cigvY‡y Z KZ cÖKvi msKiY N‡U? K H2S L H2O
K2 L3 M TeH2 N SeH2
M4 N5 236. Bw_‡b e܇bi msL¨v n‡jv-
221. ‡KvbwUi mwµqZv mev©waK?
K1 L2
K F L Cl M5 N6
M Br NI 237. ÿviK‡Z¡i wb¤œ n«vm †KvbwU?
K F–Cl–I–Br– L I–Br–Cl–F–
222. H2O AYyi eÜb †KvY n‡jv- M F–Cl–Br–I– N F–I–Br–Cl–
K 107C L 109.5C 238. GKwU †gŠj x Gi B‡jKUªb web¨vm
M 120C N 104.5C n‡jv
223. [Cu(NH3)4]SO4 †hŠ‡M KZ ai‡bi eÜb we`¨gvb? 1s22s22p63s23p1, Bnvi †hvR¨Zv ¯‡Í i B‡jKUªb MÖnY ev
K1 L2 eR©‡bi d‡j KZ Pv‡R©i Avqb MwVZ n‡e?
M3 N4 K –3 L +3
224. wb‡Pi †KvbwUi AvKw… Z V Gi gZ?
M –2 N +3
K SO2 L CO2 239. VSEPR ZË¡ Abymv‡i †hvR¨Zv ¯‡Í i QqwU msKi AiweUvj
M PO2 N SO3 _vK‡j AYyi AvK…wZ n‡e-
225. ‡KvbwUi †cvjvivqb ÿgZv †ewk? K PZz¯ÍjKxq L wÎfzR AvK…wZ
K Ba2+ L Sr2+ M AóZjKxq N wØ-wcivwgW
M Mg2+ N Be2+ 240. B_vB‡b wmMgv e܇bi msL¨v KZwU?
226. wb‡Pi †Kvb †hŠ‡M †cvjvi mg‡hvRx eÜb we`¨gvb? K2 L3
K MgF2 L CO2 M4 N5
M NaCl N HCl
227. OF2 Kx ai‡bi †hŠM? 241. [Ar] 3d104s1 B‡jKUªb web¨v‡mi †gŠjwU wb‡Pi †Kvb
K A¤øagx© L ÿviagx© †kÖwYi?
M cÖkg N Dfagx© K ÿviavZz L Ae¯v’ šÍi avZz
228. gy`ªv avZyi MÖæc bv‡g cwiwPZ †KvbwU? M ÿvixq g„wËKv avZz N AšÍtAe¯v’ šÍi avZz
K IA L IB 242. wb‡Pi †gŠj¸‡jvi g‡a¨ †KvbwUi AvqwbKiY kw³ m‡ev”© P?
M IIA N IIB KO LN
229. wb‡Pi †Kvb †hŠMwU A¯^vfvweK ùzUbvs‡Ki cwieZ©b †b‡e? MF NC
243. ‡ebwRb cÖ‡Z¨KwU Kve©‡b wK ai‡bi msKiY nq?
K HF L HCl
K sp2 L sp3
M HBr N HI
M d2sp3 N dsp2
230. 20A GKwU †gŠj| wb‡Pi †Kvb jeYwU cvwb‡Z `ªeYxq? 244. ‡Kvb¸‡jv AcavZ?z
K ASO4 L A(NO3)2 K Si, Ge, As L Na, K, Ca
M AC2O4 N ACO3 M F, Cl, Br N B, Mg, Ni
231. Zwor FYvZ¥KZvi gvb KZ n‡j †hŠMwU †cvjvi n‡e? 245. MCl2 I MCl3 ¯v’ qx †hŠM n‡j M n‡e-
K 0.4 L 0.5-1.7 K ÿvi avZz L gr„ ÿvi avZz
M 2.5 N 3.0 M Ae¯v’ šÍi avZz N d-block ‡gŠj
232. Zwor FYvZ¥KZvi mwVµ µg †KvbwU? 246. NH Avq‡bi AvK…wZ Kxiƒc?
4
K F Cl O N L F Cl N O
|
K PZ¯z ÍjKxq L w·KvYwgZxq K sp L sp2
M w·KvYxq N wcivwgWxq M sp3 N sp3d
247. wb‡Pi †Kvb †gŠ‡ji AvqwbKiY wefe mev©waK? 260. wb‡Pi †Kvb †hŠMwUi eÜb †KvY me‡P‡q †ewk?
K Na L Al K wg‡_b L cvwb
M P N Ar M A¨v‡gvwbqv N Kve©b WvB-A·vBW
248. FeCl3 ms‡KZavix †hŠMwUi bvg n‡jv-
261. H2O ‡hŠ‡M H Ges O e܇b we`¨gvb-
K UªvB‡K¬v‡iv Avqib L †dwiK A·vBW K s-sp msKi AiweUvj
M Avqib UªvB‡K¬vivBW N †divm A·vBW L s-sp2 msKi AiweUvj
249. ‡Kvb AvqwbK †hŠ‡M mg‡hvRx PwiÎ AwaK we`¨gvb? M s-sp3 msKi AiweUvj
K KCl L LiCl N sp- sp3 msKi AiweUvj
M NaCl N RuCl 262. Avgiv †h Pbz †L‡q _vwK Zvi ms‡KZ-
250. Avwe®‹…Z †gŠ‡ji g‡a¨ chvq© mviwY‡Z Zij †gŠj KqwU? K Na2O LMgO
K2 L3 M CaCO3 N Ca(OH)2
M4 N5 263. sp2 msKi AiweUv‡ji AvK…wZ wKiƒc nq?
251. B_vBb AYy‡Z cvB e܇bi msL¨v KqwU?
K mij ˆiwLK
K2 L3 L wÎfRz AvKw… Zi
M4 N5 M PZz¯ÍjKxq
252. K¨vUvqbmg~‡ni †cvjvivq‡bi `ÿZvi mwVK µg †KvbwU?
N w·KvYvKvi wcivwgWxq
KLMN LLMN
264. A¤øagx© A·vBW †KvbwU?
MKNM NKMN
K CO L Al2O3
253. CaCl2 Ges AlCl3 Gi g‡a¨ †KvbwU AwaK mg‡hvRx?
M pbO2 N B2O3
K CaCl2> AlCl2 L AlCl2 >CaCl2
M DfqB AvqwbK N DfqB mg‡hvRx 265. ‡Kvb ivmvqwbK eÜb m„wó‡Z GKwU cigvYy KZK…„ B‡jKUªb
254. mwbœ‡ek eÜb Dcw¯Z’ ‡Kvb †ÿ‡Î? hMy j cÖ`Ë nq A_P Dfq cigvby B‡jKUªbØq †kqvi K‡i|
K H2O L NH3 K AvqwbK eÜb L avZe eÜb
M NH N K4[Fe(CN)6] M mg‡hvRx eÜb N mwbœ‡ek mg‡hvRx eÜb
4
255. GKwU †gŠ‡ji cvigvYweK msL¨v 35 ‡gŠjwUi Ae¯v’ b †Kvb
eø‡K?
K s- eøK L p-eøK
M d- eøK N f- eøK
256. A Gi Zwor FYvZœKZv 0.9 Ges B Gi Zwor FYvZœKZv
3.0| †gŠj A Ges B Gi g‡a¨ MwVZ †hŠ‡Mi eÜb Kx
ai‡bi?
K AvqwbK L mg‡hvRx
M mwbœ‡ek N avZe eÜb
257. PviwU n¨v‡jv‡R‡bi B‡jKUªb Avmw³i gvb (kJ/mol)
wb¤œiæc; G‡`i g‡a¨ †KvbwUi A¨vbvqb MV‡bi cÖeYZv †ewk
n‡e?
K F (–238) L Br(-325)
M Cl(-349) N I(-295)
258. wb‡Pi AYy¸‡jvi †KvbwU‡Z eÜb `~iZ¡ me‡P‡q Kg?
K H2 L N2
M O2 N F2
259. POCl3 MVbKv‡j †K›`ªxq cigvYyi †Kvb cÖKvi msKiY
N‡U?
|
Aa¨vq 04t ivmvqwbK cwieZ©b A. Molecularity of a reaction B. Half-life of a reaction
C. Order of a reaction
1. g¨v·I‡q‡ji AYyi MwZi weZi‡Yi †ÿ‡Î †Kvb Dw³wU mwVK bq? D. Activation energy of a reaction Soln:C
A. Most probable speed is the speed of all of the molecules 8. N2O5 Gi Zvc we‡qvRb GKwU cÖ_g µg wewµqv Ges GB wewµqvi
B. Most probable speed decreases as temperature increases
C. Larger numbers of molecules move at a greater speed nvi aªæeK Gi gvb 6.2 104 s1. Gi Aa© Avqy¯‹vj KZ?
at high temperature A.11.18 s B. 111.8 s Soln:C
D. Distribution curve tells the number of molecules C. 1118.0 s D. 1.18 min
moving at a certain speed 9. N2O5 2NO2 + 1 Bnv GKwU cÖ_g µg wewµqv Ges GB
Soln:B 2 O2
2. A + 2B D wewµqvi †ÿ‡Î wewµqvi nvi mgxKiY n‡jv, rate wewµqvi †eM aªye‡Ki gvb 6.210–4 s–1| GB wewµqvi Aa©vqyKvj
= k[A][B]| hw` Dfq wewµq‡Ki NbgvÎv wظY Kiv nq, Zvn‡j
wewµqvi nvi ew„ × cv‡e- nj: (00-01)
A. 11.8 seconds B. 111.8 seconds
A. 2 times B. 4 times C. 6 times D. 8 times C. 1118 seconds D. 1.18 minutes Soln:C
[Ans: B]
10. GKwU c_Ö g µg wewµqvi Aa©vqy 28 †m‡KÛ| KZ †m‡KÛ c‡i
3. GKwU c_Ö g µg wewµqvi nvi aªæeK 6.710–4 s–1| wewµqvwUi
Aa©vqKy vj KZ? wewµq‡Ki GK Aógvsk Aewkó _vK‡e?
A. 28 B. 56 C. 84 D. 112
A. 17.2 min B. 16.0 min Soln:C
C. 27.5 min D. 18.1 min 11. 2NO(g)+O2(g) 2NO2 (g) wewµqvwUi cix¶v K‡i wbYx©Z MwZ
mgxKiY, v = k[NO]2[O2]; [NO] Gi cwigvY Av‡Mi †P‡q wظY
Soln:A
Kiv n‡j Avw` †e‡Mi wK cwieZ©b n‡eÑ
4. c_Ö g µg wewµqv, A Drcv` Gi †¶‡Î wb‡gœi †jLwPÎmgn~
A. AcwiewZ©Z _vK‡e B. wظY n‡e
†`Lv‡bv n‡jv| †Kvb †jLwPÎwU Aï×? ([A] = wewµq‡Ki NYgvÎv;
C. wZb¸Y n‡e D. Pvi¸Y n‡e Soln:D
t = wewµqvi mgq)
12. ZvcgvÎv e„w×i mv‡_ wewµqvi †eM e„w×i cÖavb KviY-
A. [A] B. In[A] A. †ekx msL¨K wewµqK AYy kw³ AR©b K‡i mwµq nq
t t B. wewµqvi mwµqY kw³ e„w× cvIqv
C. wewµqvi mwµqY kw³ n«vm cvIqv
d[A] D. In [A]o D. wewµqv AYmy g~‡ni AvšÍ-AvYweK `~iZ¡ n«vm cvIqv
C. [A]
Soln:A
dt
13. †Kvb wewµqvi †eM aªæeK k-Gi gvÎv hw` (time)1 nq, Z‡e
[A] t
Soln:B wewµqvwUi µg n‡e-
5. wb‡gœi PviwU wewµqvi cix¶vjä †eM mgxKiY †`qv nj| †Kvb A. c_Ö g µg B. wØZxq µg
wewµqvwU †gŠwjK wewµqv n‡Z cv‡i? C. k~b¨ µg D. Z…Zxq µg Soln:A
A. A + B P, V = k[A]2 14. A+B C wewµqvwUi MwZ mgxKiY n‡jv t v = k[A] 2 ; A-Gi
B. C + D P, V = k[C] [D]2 cvª iw¤¢K NbgvÎv wظY Kiv n‡j wewµqvi cªviw¤¢K MwZ KZ¸Y e„w×
C. O + O2 + N2 O3+N2, V = k[O] [O2] [N2] cv‡eÑ
D. (CH3)3 CCl + OH– (CH3)3C–OH+OH+OH–, V=k
A. 2 B. 3 C. 4 D. 8 Soln:C
[(CH3)3CCl]
Soln:C 15. wb‡gœi †KvbwU cÖ_g µg wewµqvi Rb¨ mwVK?
6. X + Y Z wewµqvi Rb¨ wbw`©ó ZvcgvÎvq wbgœwjwLZ DcvË A. Av‡cw¶K wewµqvi nv‡ii GKK: NbgvÎv–1 mgq–1 †hgb, L
mol–1 s–1
cvIqv †Mj| wewµqvi mwVK †eM-mgxKiY †KvbwU? B. Av‡cw¶K wewµqvi nvi k = 1 . x
[X]0/mol L–1 1.0 1.0 3.0 t a(a x)
[Y]0/mol L–1 1.0 2.0 1.0 C. t1/2 NbgvÎvi cÖv_wgK gv‡bi Dci wbf©i K‡i bv
D. mg‡qi mv‡_ NbgvÎv mij‰iwLKfv‡e ew„ × cvq
Avw`‡eM mol L–1s–1 0.01 0.02 0.01
A. v = k [X] [Y] B. v = k [X] [Y]2 Soln:C
C. v = k [Y] D. v = k [X] 16. bvB‡Uªv‡Rb †c›Uv A·vBW (N2O5) Gi we‡qvR‡bi Aa©vqy 3400 wg.|
Soln:C wewµqvwUi Av‡cw¶K wewµqv nvi K Gi gvb wb‡gœi †KvbwU?
7. wewµqvi nvi mgxKi‡Y wewµqK¸wji NYgvÎvi Nv‡Zi mgwó n‡”Q- A. 1.732510–4s–1 B. 2.03810–4m–1
|
C. 2.03810–3s–1 D. 2.03810–3s–2 Soln:A
Soln:B 27. k~b¨ µg wewµqvi nvi aªæe‡Ki GKK wK?
17. wb‡gœi †KvbwU FYvZ¥K AbyNUK? A. s–1 B. mol L–1s–1
C. L mol–1s–1 D. mol s–1
A. Cu B. A¨vj‡Kvnj
C. MnO2 D. Fe Soln:B
Soln:B 28. A + B C wewµqvi MwZ mgxKiY nj: v = k[A]2; A Gi Avw`
18. †Kvb wewµqvi ZvcgvÎv 25C †_‡K 35C -G DbœxZ Ki‡j H NbgvÎv wظY Kiv n‡j wewµqvi Avw` MwZ KZ¸Y e„w× cv‡e?
wewµqvi nvi aªæe‡Ki gvb wZb¸Y nq, Z‡e wewµqvwUi mwµqY A. wظY B. wZb¸Y
kw³i gvb wb‡gœi †KvbwU? C. Pvi ¸Y D. AvU ¸Y
A. 83.85 kJ mol–1 B. 38.85 kJ mol–2 Soln:C
C. 85.83 kJ mol–1 D. 83.85 kJ mol–1
29. 2NO + O2 2NO2 wewµqvwU GKwU
Soln:A A. wÎ-AvYweK wewµqv B. wØ-AvYweK wewµqv
19. k~b¨ µg wewµqvq wewµqvi nvi _v‡KÑ C. GK-AvYweK wewµqv D. k~b¨-AvYweK wewµqv
A. 0 B. aªæe E. †KvbwUB bq Soln:A
C. ax‡i ew„ × cvq D. ax‡i n«vm cvq 30. CH3COOC2H5 + H2O CH3COOH + C2H5OH wewµqv
GKwUÑ
Soln:B
20. cwÖ Z 10C ZvcgvÎv ew„ ×i Rb¨ wewµqvi nvi KZ¸Y ew„ × cvq?
A. 2-3 B. 3-4 C. 4-5 D. 5-6 A. kb~ ¨ µg wewµqv B. cÖ_g µg
Soln:A C. QÙ GK AvYweK wewµqv D. wØZxq µg wewµqv
21. kb~ ¨µg wewµqvq wewµqvi nvi _v‡K- E. Z…Zxq µg wewµqv Soln:C
A. 0 B. aªæe C. ax‡i e„w× cvq D. ax‡i n«vm cvq 31. GKwU c_Ö g µg wewµqvi Aa©vqy 30 wgwbU| wewµqvwUi Av‡cw¶K
Soln:B nvi KZ?
22. k~b¨µg wewµqvi nvi aªæe‡Ki GKK n‡jv: A.0.02/ wgwbU B. 0.0210-2/ wgwbU
A. L mol–1 time–1 B. time–1 C. 2.3110-2/ wgwbU D. 23110-2/ wgwbU
C. mol L–1 time–1 D. none E. 23110-5/ wgwbU Soln:C
Soln:C 32. GKwU wØZxq µg wewµqvi Aa©vqzKvj (T1/2) Ges wewµq‡Ki NbgvÎv
(c) Gi g‡a¨Kvi m¤úK©wU nj-
23. GKwU A‡Uv AbyNUK n‡”QÑ
A. wewµqvi Drcv`¸‡jvi GKwU hv AbNy UK wn‡m‡e KvR K‡i A. t1/2 = aªæe B. t1/2 c2
B. hv GKUv wewµqv‡K Avi¤¢ K‡i E. t1/2 1
C. hv GKwU wewµqv‡K MwZ‡eM Kwg‡q †`q C. t1/2 1 D. t1/2 c c
D. hv GKwU wewµqvi MwZ‡eM evwo‡q †`q c
Soln:A Soln:E
24. wb‡Pi †KvbwU wewµqv nvi aªæeK, K-Gi mwVK cÖKvk? 33. †Kvb c_Ö g µg wewµqvi Aa©vqy 15 min n‡j wewµqvwUi nvi aªæeK
A. K = 1 log a B. K = 1 a KZ?
t ax t ax
A. 4.62103 min1 B. 4.62101min1
C. K = 1 loge Co D. K = 1 log x C. 4.62102 min1 D. 1.63101 min1
t Ct t (a x)
Soln:C
Soln:C 34. GKwU cÖ_g µg wewµqvi A‡a©K cwigvY wewµqK we‡qvwRZ nq 360
†m‡K‡Û| wewµqvwUi nvi aªæeK KZ?
25. cÖ_g µg wewµqv 2N2O5(g) 4NO2(g) + O2(g) Gi Aa©avqyKvj
30C ZvcgvÎvq 2.40 N›Uv| wewµqvwUi nvi aªæeK †KvbwU?
A. 0.289 h–1 B. 0.380 h–1 A. 0.0115 min1 B. 1.155 min1 Soln:D
C. 0.20 h–1 D. 0.240 h–1 C. 0.1386 min1 D. 0.1155 min1
Soln:A 35. GKwU c_Ö g µg wewµqvi 30% m¤cbœ 60 wgwb‡U| D³ wewµqvwUi
Aa©vqy n‡jv-
26. c_Ö g µg wewµqavi Rb¨ wb‡gœi †KvbwUi †iLvwPÎ GKwU mij
†iLv Drcbœ Ki‡e?{[A] n‡jv ZxeªZv Ges t n‡jv mgq} A. 100.50 min B.111.55 min
A. [A] vs t B. ln [A] vs t C. 116.55 min D. 100.55 min Soln:C
C. 1 vst D. ln t vs [A] 36. †KvbwUi Aa©vqy (Half-life) me©vwaK?
[A]
A. Uranium-238 B. Iodine-131
|
C. Cobalt-60 D. Technetium-99 Soln:A Soln:B
37. WªvB‡m‡j e¨eüZ Zwor we‡køl¨Ñ 46. GKwU c_Ö g µg wewµqvi Aa©vqy 28 †m‡KÛ| KZ †m‡KÛ c‡i
A. ZnCl2 B. NH4Cl wewµq‡Ki GK-Aógvsk Aewkó _vK‡e?
C. H2O
D. me¸wj Soln:B A. 28 B. 84
38. ch©vq mviwYi †Kvb GKwU ch©v‡q evg †_‡K Wvb w`‡K cvigvbweK C. 56 D. 112
msL¨v ew„ ×i ms‡M ms‡MÑ Soln:B
A. cigvbiy AvKvi e„w× cvq B. AvqbxKiY kw³ ew„ × cvq 47. GKwU c_Ö g µ‡gi wewµqvi t1/2 nj 2.5 h D³ wewµqvi †iBU aªæeK
C. Zwor FYvZ¥KZv n«vm cvq D. B‡jKUªb Avmw³ n«vm cvq
n‡e-
Soln:B A. 7.70 10-5s-1 B. 5 10-5s-1
39. wewµqK AY¸y ‡jv ci¯úi msNl© K‡i hvLb cyiv‡bv eÜb fv‡½ Ges C. 2 10-5 s-1 D. 2 10-6 s-1
bZzb eÜb mw„ ó Ki‡Z ïiæ K‡i ZLb H Ae¯’v‡K ejv nq Soln:A
A. wewµqvi µg B. wewµqvi MwZi nvi 48. GKwU 1g µg wewµqvi 50% m¤úbœ nq 10 wgwb‡U, wewµqvwUi nvi
C. mwµqbK…Z RwUj D. mwµqb kw³ Soln:C aªæeK KZ?
40. WªvB‡m‡j e¨eüZ Zwor we‡køl¨Ñ A.0.69 min-1 B. 0.069 min-1
C. 0.69 dm3 min-1 min-1 D. 0.069 min
A. ZnCl2 B. NH4Cl Soln: B
C. H2O Soln:B
D. me¸wj 49. CH3COCH3(aq)+I2(aq)=CH3COCH2I(aq)+HI(aq) wewµqvwUi
nvi †KvbwUi NbgvÎvi Dci wbf©i K‡i?
41. †h wewµqvi nvi wewµq‡Ki NbgvÎvi Dci wbf©i K‡i bv A_©vr
wewµqvwU GKwU wbw`©ó MwZ‡ZB Pj‡Z _v‡K Zv‡K e‡j-
A. †gŠwjK wewµqv B. k~b¨ µg wewµqv A. I2 B. CH3COCH3
C. c_Ö g µg wewµqv D. wewµqvi AvYweKZ¡ Soln:B C. HI D. CH3COCH2I
42. wewµqK AYy¸‡jv ci¯úi msNl© K‡i hLb ciy v‡bv eÜb fv‡½ Ges Soln:B
bZzb eÜb mw„ ó Ki‡Z ïiæ K‡i ZLb H Ae¯’v‡K ejv nq- 50. GKwU c_Ö g µg wewµqvi nvi 210–3 sec–1 n‡j wewµqvwUi
A. wewµqvi µg B. wewµqvi MwZi nvi Aa©vqKy vj-
A. 0.375 sec B. 15.01 sec
C. mwµqbKZ… RwUj D. mwµqb kw³ C. 34.65 sec D. 346.5 sec
Soln:C Soln:D, Aa©vqZKvj, t1/2 = 0.693 0.693 = 346.5 sec
K = 210–3
43. kb~ ¨µg wewµqvi †¶‡Î mZ¨ bq †Kvbw& U?
51. †KvbwU wØZxq µg wewµqvi nvi aªæe‡Ki GKK?
A. wewµqvi nvi aªæe‡Ki GKK nj mol-L1s1 A. Lmol-1s-1 B. s-1
C. moll-1s-1 D. m-1
B. wewµq‡Ki NbgvÎv mg‡qi mv‡_ Kg‡Z _v‡K Soln:C, c_Ö g Ges wØZxq µg wewµqvi nvi aªæe‡Ki GKK h_vµ‡g
C. wewµqvi nvi mg‡qi mv‡_ cwieZ©bkxj min–1/S–1 Ges mol L–1S–1
52. wewµqvi nvi wewµq‡Ki NbgvÎvi Dci wbf©i K‡i bv,
D. Av‡jvK ivmvqwbK wewµqv k~b¨µg wewµqvi mvaviY D`vniY A. 1g µg wewµqv B. 2q µg wewµqv
E. wewµqvi nvi wewµq‡Ki NbgvÎvi Dci wbf©i K‡i bv| C. 3q µg wewµqv D. k~b¨ µg wewµqv
Soln:D
Soln:C 53. ¶vi cÖfvweZ A¨vwm‡Uv‡bi †eªvwgbxKiY wewµqvwU CH3COCH3 +
44. wbw`©ó NbgvÎvi Kl `ªe‡Y 30% H2O2 `ªeY †hvM Ki‡j 100 Br2 CH3COCH2Br mgxKiY AbymiY K‡i| wewµqvwUi nvi
†m‡K‡Û 105 molL1 Av‡qvwWb Drcbœ nq, wewµqvwUi Mo
MwZ‡eM KZ? = k [CH3COCH3] [OH–] n‡j Gi MwZ‡eM †Kvb wewµqK¸‡jvi
NbgvÎvi Ici wbf©i K‡i?
A. 0.03107 mol L1S1 A. A¨vwm‡Uvb I †eªvwgb B. A¨vwm‡Uvb I ¶vi
C. ¶vi I †eªvwgb D. A¨vwm‡Uvb, ¶vi I †eªvwgb
B. 0.03105 mol L1s1
C. 1.0107 mol L1s1 Soln: B
D. 1.0103 mol L1s1 54. †Kvb c_Ö g µg wewµqvi nvi aªæe‡Ki gvb 1.1510–3 s–1 n‡j,
E. 0.3107 mol L1s wewµqvwUi 5g wewµqK 3g -G n«vm †c‡Z KZ wgwbU jvM‡e?
Soln:C A. 4.4 min B. 7.4 min
C. 5.8 min D. 3.5 min
45. ivmvqwbK Zwor †Kv‡li D‡jøwLZ †KvbwU‡Z RviY N‡U? Soln:B
A. K¨v‡_vW B. A¨v‡bvW
C. ms‡hvM Zvi D. jeY †mZz
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55. GKwU cÖ_g µg wewµqvi cÖvew¤¢K NYgvÎv hw` 0.62 M †_‡K 0.52 M A. 0.142 atm B. 0.185 atm C. 0.220 atm D. 0.125 atm
G n«vm †c‡Z 15 min mgq jv‡M, Z‡e wewµqvwUi Aa©vqy n‡e-
Soln:A
A. 7.5 min B. 46.5 min 66. 25C ZvcgvÎvq GKwU mvg¨ve¯’v †`Iqv Av‡Q; NH4Cl(s) ⇌
NH4+(aq)+Cl–(aq) (H = +3.5 kcal mol–1)
C. 29.6 min D. 59.2 min
Soln:D A. decreasing the temperature to 15C
56. †Kvb c_Ö g µg wewµqvi Aa©vqy 45 wgwbU n‡j wewµqvwUi nvi aªæeK B. increasing the temperature to 35C
KZ? C. dissolving NaCl crystals in the equilibrium mixture
A. 4.6210–2 mm B. 5.14 10–2 mim–1 D. dissolving NH4NO3 crystals in the equilibrium mixture
Soln:B
C. 1.5410–2 min–1 D. 0.154 10–2 min–1
67. N2 + 3H2 2NH3 GKwU M¨vmxq wewµqv, G‡Z Kp I Kc Gi
Soln:C
m¤úK© wb‡gœi †KvbwU?
57. GwmW cfÖ ve‡Ki Dcw¯’wZ‡Z CH3COOCH3 + H2O A. Kp = Kc(RT)2 B. Kp = Kc(RT)1.5
C. Kp = Kc(RT)–2 D. Kp = Kc(RT)
CH3COOH + CH3OH wewµqvwUi µgt (2008-2009) Soln:C
A. 0 B. 1 C. 1.5 D. 2 68. wb‡gœi wewµqvi mvg¨aªgœeK Kc Gi mwVK GKK †KvbwU?
Soln:B W(aq) + 2x(aq) ⇌ 2y(aq) + 3z(aq)
58. 1g µg wewµqvq mgq AwZevwnZ nevi m‡½ m‡½ wewµqvwUi nvi- A. mol dm–3 B. mol2 dm–6
A. mij‰iwLKfv‡e ev‡o B. A¨vwmg‡UvwUKfv‡e K‡g C. mol–1dm3 D. mol–2dm6
C. mij‰iwLKfv‡e K‡g D. A¨vwmg‡UvwUKfv‡e ev‡o Soln:B
Soln:C 69. cUvwkqvg cvig¨v½v‡bU- †mvwWqvg AK&ªv‡jU UvB‡Uªk‡b wb‡gœi
59. ivmvqwbK wewµqvi nv‡i †KvbwU cÖfve †d‡j bv? †KvbwU Zzwg e¨envi Ki‡e?
A. NbgvÎv B. cÖfveK C. eY© D. ZvcgvÎv A. methyl orange B. starch
Soln:C C. diphenylamine D. no indicator
Soln:D
60. †Kvb c_Ö g µg wewµqvi Aa©vqy 30 min n‡j wewµqvwUi nvi aªæeK 70. N2(g) + 3H2(g) ⇋ 2NH3(g) wewµqvwU Zv‡cvrcv`x| wewµqvwU
KZ? m¤ú‡K© wb‡gœi †Kvb Dw³wU mwVK bq?
A. 0.2310 min-1 B. 0.0231 min-1 A. Equilibrium constant decreases with temperature
C. 2.310 min-1 D. 0.00231 min-1 B. Catalyst increases the rate of the reaction
Soln:B C. Equilibrium constant increases with pressure
61. wewµqvi Aa©vqyi Rb¨ mve©Rbxb mgxKiY †Kvbw& U?
A. t1/ 2 0.693 B. t1/ 2 k D. Yield of NH3 increases with pressure
k an Soln:C
C. t1/ 2 k D. t1/ 2 k 71. wb‡gœi †Kvb Ae¯’vi cwieZ©‡bi d‡j mvg¨ve¯’vi mvg¨vsK K
a a2
cwieZ©b n‡e?
Soln:A A. Temperature B. Pressure
62. GKwU c_Ö g µg wewµqvi cÖviw¤¢K NbgvÎv 0.6 mol/dm3 †_‡K C. Concentration of reactants D. Concentration of products
Soln:A
0.2 mol/dm3- G n«vm †c‡Z 5.0 wgwbU mgq jvM‡j wewµqvi nvi
aªæeK KZ? 72. A + 3B ⇌ C + 2D wewµqvwUi Kc Gi gvb n‡e-
A. 0.219 min1 B. 5.493 min1 A. [A] [B]3/ [C] [D] B. [C] [D]2 / [A] [B]3
C. 1.098 min1 D. 0.138 min1 C. [A] [3B] / [C] [2D] D. None of the above
Soln:B
Soln:A
73. †Kvb wewµqvq n Gi gvb 0.5| KZ †Kjwfb ZvcgvÎvq wewµqvwU
63. wØZxq µ‡gi wewµqvi †eM aªæe‡Ki GKK- KP Ges KC Gi gvb h_vµ‡g 32.5 I 2.5 n‡e-
A.s-1 B. L.mol-1s-1 (R = 0.0821 L atm K1 mol1)?
C. mol .s-1
D. aªæeK
Soln:B A. 273 K B. 388.26 K
64. ZvcgvÎv e„w× Ki‡j wb‡¤œ D‡jøwLZ wewµqvq Av‡gvwbqvi Drcv`b C. 934.2 K D. 2058.46 K
wKfv‡e cÖfvweZ n‡e?
Soln:D
N2(g) + 3H2(g) ⇌ 2NH3(g); H = –92 kJ/mol 74. wb‡gœi †Kvb wewµqvq Pvc e„w×i d‡j mvg¨ve¯’vq Drcv‡`i cwigvY
A. Increase B. Decrease e„w× cvq?
C. Remain same D. None of these A. H2 (g)+Br2 (g)⇌2HBr (g)
B. 2NO2 (g)+7H2 (g) ⇌ 2NH3 (g)+4H2O (g)
Soln:B
65. 18.5% N2O4 25C ZvcgvÎvq Ges 1 atm Pv‡c we‡qvwRZ n‡j
Kp Gi gvb KZ?
|
C. CO2 (g)+C (s)⇌2CO (g) 84. GKwU Ave× cv‡Î nvB‡Wªv‡Rb I Mvp †e¸wb e‡Y©i Av‡qvwWb wb‡gœi
KZ ZvcgvÎvq (C) †i‡L w`‡j nvB‡Wvª ‡Rb Av‡qvWvBW Drcbœ nq?
D. CaCO3 (s)⇌CaO (s)+CO2 (g) A. 450 B. 550 C. 350 D. 250
Soln:B Soln:A
75. wb‡gœi †Kvb wewµqvwUi Kp= Kc? 85. wb‡gœi †KvbwU B_vBj B_v‡bv‡qU? (10–11)
A. C2H5OH B. CH3CO2C2H5
A. PCl5(g) ⇌PCl3(g)+Cl2(g) B. N2(g)+3H2(g) ⇌ 2NH3(g) C. CH3COOH D. CH3COONa
C. 2HI (g) ⇌H2 (g)+I2 (g) D. CO(g)+2H2(g)⇌CH3OH (g) Soln:B,
Soln:C A. C2H5OH B_vbj
B. CH3COONa †mvwWqvg B_vb‡qU
76. N2 (g)+3H2 (g)⇌2NH3 (g) wewµqvwUi Kp Ges Kc Gi g‡a¨ C. CH3COOH B_v‡bvwqK GwmW
m¤úK©wU nj-
86. mvg¨ aªæeK msµvšÍ wb‡gœi †Kvb dg©~jvwU mwVK bq?
A. Kp=Kc(RT)2 B. Kp=Kc(RT)2 [L]l [M ]m [ N]n PLl PMm PNn
[A]a [B]b [C]c PAa PBb PCc
C. Kp=Kc(RT)4 D. Kp=Kc(RT)3 A. Kc B. Kp
Soln:B, C. Kp = Kc(RT)n D. n > = 0 me©¶Y
Soln:D
77. wewµqvi mvg¨e¯’v aªæeK †Kvbw& Ui Dci wbf©ikxj?
A. wewµq‡Ki NbgvÎv B. ZvcgvÎv
C. Pvc D. cfÖ veK 87. GKwU wbw`©ó ZvcgvÎv Ges mg‡q †h †Kvb wewµqvq nvi
wewµqK¸‡jvi mwµq f‡ii mv‡_ wbgœewY©Ziƒ‡c m¤úwK©Z?
Soln:B
A. mgvbcy vwZK B. e‡M©i mgvbcy vwZK
78. wb‡gœi †Kvb wewµqvwUi Kp = Kc ? C. eM©g~‡ji mgvbcy vwZK D. e¨v¯ÍvbycvwZK
A. PCl5 (g) ⇌ PCl3 (g) + Cl2 (g)
B. N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Soln:A
C. 2SO2 (g) + O2 (g) ⇌ 2SO3 (g) 88. 1 L (WvBA‡·b) `ªveK C2H5OH I CH3CO2H Gi cÖwZwUi 1
D. 2HI (g) ⇌ H2 (g) +I2 (g) †gvU wewµqv K‡i ci cÖ‡Z¨K weKvi‡Ki GK †gv‡ji GK-ZZ… xqvsk
Soln:D Aewkó _v‡K, ZLb mvg¨ve¯’v AwR©Z nq| G Ae¯’vq wewµqvwUi
79. H2+Cl2 2HCl +44 kcal mgxKiYwU we‡ePbv Ki| wb‡Pi †Kvb mvg¨ve¯’v aªeK (K) KZ?
KvRwU GB wewµqvi mvg¨ve¯’v‡K Drcv‡`i w`‡K mwi‡q †`‡e? A. K = 1 B. K = 2 C. K = 1 D. K = 4
4
A. H2 †hvM Kiv n‡j B.Cl2 mwi‡q wb‡j
C. HCl †hvM Kiv n‡j D. ZvcgvÎv ew„ × Kiv n‡j Soln:D
Soln:A 89. wb‡Pi Dcv`b¸‡jvi g‡a¨ †KvbwU mvg¨ aªæeK, Kc cwieZ©b Ki‡Z
80. GKwU wewµqvq cÖfve‡Ki cÖfve--- cv‡i? (07-08, 06-07)
A. mvg¨ve¯’v‡K Drcv‡`i w`‡K mwi‡q †`‡e A. Pvc B. ZvcgvÎv C. NbgvÎv D. cfÖ vK
B. †Kej AMÖMvgx wewµqvi MwZ e„w× K‡i Soln:B
C. AMÖ-cðvr Dfq w`‡K wewµqvi MwZ mgvbfv‡e ew„ × K‡i
D. cðvrMvgx wewµqvi MwZ ew„ × K‡i 90. †KvbwU mgmË¡ mvg¨ve¯’vi D`vniY bq?
Soln:C A. 2SO2(g)+O2(g)⇋2SO3(g)
81. H2 (g) +I2 (g) 2HI (g) H = - 13 kJ/mol wewµqvwU 100C
ZvcgvÎvq mvg¨ve¯’vq Av‡Q| wb‡Pi †Kvb Ae¯’vwUi Rb¨ nvB‡Wªv‡Rb B. CaCO3(s)⇋CaO(s)+CO2(g)
Av‡qvWvB‡Wi kZKiv nvi mvg¨ wgkÖ‡Y †e‡o hv‡e? C. N2(g)+H2(g)⇋2NH3(g) D. H2(g)+I2(g)⇋2HI(g)
Soln:B
A. Pvc Kg‡j B. ZvcgvÎv Kg‡j
91. wb‡Pi †Kvb †Rvov †hŠM Lvevi wn‡m‡e cvIqv hvq?
C. Pvc evo‡j D. ZvcgvÎv evo‡j A. A¨vwmwUK GwmW I mvBwUªK GwmW
B. A¨vwmwUK GwmW I bvBwUªK GwmW
Soln:B C. mvBwUªK GwmW nvB‡Wªv‡K¬vwiK GwmW
D. †ebRwqK GwmW I mvBwUªK GwmW
82. DfgLy x wewµqv‡K GKgLy x Kivi †¶‡Î †KvbwU cÖ‡hvR¨?
Soln:A
A. wewµqK¸‡jv hw` KwVb ev Zij nq Ges GKwU Drcv` M¨vmxq nq
B. GKwU Drcv` `ªeY †_‡K Aatw¶ß n‡j
C. †Kvb Drcv`‡K ivmvqwbK wewµqvi gva¨‡g mwi‡q wb‡j
D. meKwUB
Soln:D 92. N2(g)+3H2(g) ⇄ 2NH3(g) + 46 KJmol1 wewµqvwU
cfÖ ve‡Ki Dcw¯’wZ‡Z wb‡gœi †Kvb Ae¯’vq A¨v‡gvwbqvi myweavRbK
83. †nevi c×wZ‡Z NH3 c¯Ö ‘wZ GKwU-
A. Zv‡cvrcv`x wewµqv B. Zvcnvix wewµqv
C. mvg¨ve¯’vi wewµqv D. mvg¨ aªæeK wewµqv
Soln:A
|
Drcv`b wbwðZ Ki‡e? N2(g) + 3H2(g) ⇌ 2NH3(g) + 46 A. He B. Ne
KJmol1) C. Ar D. Kr E. Rn Soln:C
A. AwaK ZvcgvÎv I AwaK Pvc B. Kg ZvcgvÎv I Kg Pvc E. me¸‡jv Soln:B
C. Kg ZvcgvÎv I AwaK Pvc D. AwaK ZvcgvÎv I Kg Pvc 102.Na2CO3 Gi Rjxq `ªeY †Kvb cÖKw… Zi?
Soln:C A. GwmWxq B. ¶vixq
93. wb‡gœi †Kvb wewµqvwUi Kp I Kc Gi gvb mgvb? C. wbi‡c¶ D. Dfqag©x
103.H2+I2 ⇄2HI wewµqvwUi †¶‡Î †Kvb&wU cÖ‡hvR¨?
A. PCl5(g)⇄ PCl3(g)+Cl2(g) B. N2(g)+3H2(g)⇄ 2NH3(g) A. Kp>Kc B. Kp=KC
C. Kp<Kc D. Kp=Kc
C. 2SO2(g)+O2(g)⇄ 2SO3(g) D. 2HI(g)⇄ H2(g)+l2(g) E. †KvbwUB mwVK bq
Soln:D Soln:B
104.evqygÛ‡j †Kvb& wbw®Œq †gŠ‡ji cwigvY m‡e©v”P?
94. mvg¨aªæeK Gi †¶‡Î cÖ‡hvR¨- A. He B. Neon E. †Rbb
C. Argon
A. wewµqvi MwZ m¤^‡Ü aviYv †`q D. wµcUb
B. wewµqvi e¨vwß m¤^‡Ü aviYv †`q Soln:C
C. Pv‡ci cwieZ©‡b mvg¨aªæe‡Ki cwieZ©b nq 105.N2 + 3H2 2NH3 + Zvc : wewµqvwUi †¶‡Î †Kvb&wU wg_¨v?
A. wewµqvi d‡j Zvc Drcbœ nq
D. cÖfve‡Ki Dcw¯’wZ‡Z mvg¨aªæe‡Ki cwieZ©b nq B. bvB‡Uªv‡R‡bi cwigvY evo‡j Drcv`‡bi cwigvY ev‡o
Soln:B C. Pvc evo‡j Drcv`‡bi cwigvY e„w× cvq
95. wb‡Pi wbw®Œq M¨vm ¸wji g‡a¨ †KvbwU ZijxKiY Kiv mnR? D. AvqZb ms‡KvPb Ki‡j Drcv`‡b cwigvY e„w× cvq
A. He B. Ne C. Ar D. Kr E. ZvcgvÎv e„w× Ki‡j Drcv`‡bi cwigvY ew„ × cvq
Soln:A Soln:E
96. 800C G H2 I I2- Gi g‡a¨ wewµqvwU mvg¨ve¯’vq DcbxZ nq 106.100 ml Rjxq `ªe‡Y GKwU `ey ©j Gwm‡Wi cwigvY 6.7 mmol Ges
H2(g) + I2(g) = 2HI (g). H = -13 kj/†gvj| wb‡gœi †Kvb& kZ©wU Dnvi †mvwWqvg je‡Yi cwigvY 4.5 mmol `ªeYwUi pH 4.6
cwieZ©b Kiv n‡j mvg¨e¯’vq wgkÖ‡Y HI- Gi cwigvY e„w× cv‡e-
`ªeYwU‡Z 900 ml cvwb †hvM K‡i 10 ¸Y cvZjv Kiv n‡jv|
`ªeYwUi pH KZ n‡e?
A. Pvc n«vm B. Zvc n«vm C. Pvc ew„ × D. Zvc ew„ × A. 3.6 B. 4.6 C. 5.6 D. 14
Soln: B Soln:B
97. wb‡Pi wewµqvq ZvcgvÎv evov‡j- 107.25 C DòZvq N2O4 Ges NO2 Gi mvg¨ve¯’vq wgkÖ‡Y Zv‡`i
AvswkK Pvc h_vµ‡g 0.69 Ges 0.31 atms. N2O4 we‡qvRb
PCl5 (g) ⇌ PCl3 (g) + Cl2 (g); H = 90 kJ mol–1 wewµqvq Kp Gi gvb KZ?
A. wewµqvwUi mvg¨ve¯’v evg w`K †_‡K Wvb w`‡K hv‡e A. 0.2726 atms B. 0.139 atms
B. wewµqvwUi mvg¨ve¯’v Wvb w`K †_‡K evg w`‡K hv‡e C. 0.449 atms D. 0.898 atms
Soln:B
C. PCl5 (g) Gi cwigvY †e‡o hv‡e 108. N2(g) 3H2(g) ⇄ 2NH3(g) H 92kJ mole1 ,
D. PCl3 (g) Gi cwigvY K‡g hv‡e
wewµqvq ZvcgvÎv evov‡j mvg¨ve¯’v †Kvb w`‡K AMÖmi n‡e?
Soln:A
A. m¤§yL w`‡K B. cðvr w`‡K C. w¯’i _vK‡e D. †KvbwUB bv
98. GKwU DfgyLx wewµqvi Drcv`K I wewµqK meB M¨vm| 27C
Soln:B
ZvcgvÎvq Kp I Kc Gi AbycvZ 620:1 n‡j wewµqvwU‡Z 109. 2SO2(g) O2(g) 2SO3(g) Zvc wb‡Pi †Kvb Ae¯’vi
†gvjmsL¨vi (n) KZ cwieZ©b nq? cwieZ©b NUv‡j mvg¨ve¯’v Wvbw`‡K mi‡e?
A. 1 B. 4 C. 3 D. 2 A. cÖfveK †hvM Ki‡j B. AwZwi³ O2 †hvM Ki‡j
C. Pvc Kgv‡j D. ZvcgvÎv evov‡j
Soln:D
99. A B + C wewµqvi mvg¨v¼ gvb 10 n‡j, wecixZ wewµqvi Soln:B
mvg¨v‡¼i gvb KZ? 110. 2A2(g) B2(g) 2A2B(g) wewµqv mvg¨ve¯’vq NbgvÎvi
A. 100 B. 10 gvb h_vµ‡g [A2] = 0.5 mol/L, [B2] = 0.1 mol/L Ges [A2B]
= 2.0 mol/L n‡j mvg¨vaªæeK Kc KZ GKK?
C. 1 D. 0.1 E. 0.01
Soln:D A. 0.1 B. 2.6 C. 160 D. 40
100.†KvbwU wbw®Œq M¨vm bq? Soln:C
A. wnwjqvg B. wbqb 111.25C ZvcgvÎvq I 1.5 evqPy v‡c 15.6% PCl5 we‡qvwRZ nq| D³
C. AvM©b D. †Rbb E. Kve©b WvB A·vBW we‡qvR‡b Kp Gi gvb n‡”Q:
Soln:E A. 0.4912 atm. B. 0.0534 atm.
101.evqygÛ‡j wb‡gœi †KvbwU me‡P‡q †ekx cvIqv hvq? C. 0.0374 atm. D. 0.3465 atm.
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Soln:C A. 12 B. 13 C. 12.6 D. 13.5
112.N2(g) + 3H2(g) ⇌ 2NH3(g) + 92.2 kj/mol wewµqvwUi Rb¨ Soln:C
wb‡gœi †Kvb& Dw³wU mZ¨ bq?
122.`ªe‡Y GKwU `ye©j ¶viK Zvi je‡Yi Dcw¯’wZ‡Z AviI `ey ©j nevi
A. ZvcgvÎv evov‡j Drcv` ev‡o KviY-
B. Pvc evov‡j Drcv`b ev‡o A. Av`ªwe‡kølY B. cÖkgb C. AvqbxKiY D. mg-Avqb cÖfve
C. ZvcgvÎv Kgv‡j Drcv` ev‡o Soln:D
D. N2 I H2 †hvM Ki‡j Drcv` ev‡o 123.†Kvb jeYwUi Rjxq `ªeY ¶vixq?
Soln:A A. NH4Cl B. KCl C. NaCN D. AgNO3
113.†Kvb DfgyLx wewµqvi ∆n Gi gvb ½. KZ †Kjwfb ZvcgvÎvq Soln:C
wewµqvwUi Kp I Kc Gi gvb hv_vµ‡g 40.5 I 5.5 n‡e?
124.NaOH Øviv CH3COOH †K UvB‡Uªk‡bi Rb¨ Dchy³ wb‡`©kK
(R = 0.082 L.atm. K-1.mol-1)
A. 220.5 K B. 661.26 K C. 66.26 K D. 22.26 K n‡jv-
Soln:B
A. †dbjd_¨vwjb B. wg_vBj A‡iÄ
C. wg_vBj †iW D. †h †Kvb wb‡`©kK
114.298 K ZvcgvÎvq mvg¨ve¯’vq N2O4 Gi we‡qvRb wgkÖ‡Y N2O4 Gi Soln:A
AvswkK Pvc 0.8 atm Ges wewµqvwUi Kp = 0.008 atm| NO2
Gi AvswkK Pvc wbY©q Ki| 125.Zxeª GwmW I g`„ y ¶vi cÖkg‡b †Kvb wb‡`©kK e¨eüZ nq?
A. wjUgvm B. wg_vBj A‡iÄ
A. 0.0064 atm B. 0.08 atm C. wdbjd_¨vwjb D. _vBgj eøy
C. 0.01 atm D. 0.064 atm Soln:B Soln:B
115.30C ZvcgvÎvq 3.0 atm Pv‡c 15.6% PCl5 we‡qvwRZ nq| D³ 126.cvwb †Kvb ˆewkó¨ cÖ`k©b K‡i?
ZvcgvÎvq Kp Gi gvb n‡e- A. A¤øxq B. ¶vixq C. wbi‡c¶ D. me¸‡jv
A. 7.48102 atm B. 7.48101 atm Soln:D
C.7.48103 atm D. 6.48102 atm Soln:A 127.†Kvb `ªe‡Yi pH 4 n‡j H `ªe‡Y OH- Avq‡bi NbgvÎv n‡e-
116.†Kvb wewµqvq wewµqK I Drcv`‡Ki †gvj msL¨v hLb mgvb nq, A. 10-11 mol l-1 B. 10-10 mol l-1
C. 10-4 mol l-1 D. 10-9 mol L-1
ZLb- Soln:B
A. Kp = Kc B. Kp = Kc2 C. Kp + Kc D. Kp Kc 128.Rjxq `ªe‡Y †dbd‡_wj‡bi eY© cwieZ©‡bi pH-cwimi n‡e-
Soln:A, n Gi gvb k~b¨ n‡j Kp = Kc nq, A. 7.0-9.0 B. 6.5-8.5 C. 8.3-10.0 D. 5.5-7.0
†hgb: H2 + I2 2HI Gi †¶‡Î n = 0 Soln:C
myZivs G‡¶‡Î KP = KC
117.†Kvb wewµqvwUi Kc-Gi GKK mol–1 L? 129.†Kvb je‡Yi Av`ª© we‡køl‡Yi A¤-xq `ªeY ˆZix nq?
A. N2O4 = 2NO2 B. 2NH3 = N2 + 3H2 A. NaCl B. NH4Cl C. Na2CO3 D. KNO3
Soln:B
C. 2NO + O2 = 2NO2 D. N2 + 3H2 = 2NH3
130.w¯’i ZvcgvÎvq N2(g) + 3H2(g) 2NH3(g) + 92.22 kJ
Soln:C wewµqvwUi mvg¨ve¯’vq Pvc ew„ × Ki‡j Kx NU‡e?
118.†Kvb wewµqvwUi Kp-Gi gvb Dnvi Kc-Gi gvb A‡c¶v eo? A. mvg¨ Wvb w`‡K AMÖmi n‡e B. mvg¨ evg w`‡K AMÖmi n‡e
A. N2 + 3H2O = 2NH3 B. H2 + I2 = 2HI C. mvg¨ w¯’i _vK‡e D. †KvbUvB bq
C. PCl3 + Cl2 = PCl5 D. 2SO3 = 2SO2 + O2 Soln:A
Soln:D 131.Kp I Kc - Gi g‡a¨ m¤úK©wU n‡et
119.Ave× cv‡Î msNwUZ †Kvb DfgLy x wewµqvi mvg¨aªæe‡Ki gvb‡K A. Kp = Kc (RT)n B. Kp= (RT)- n
cfÖ vweZ K‡i? C. Kp = KcRTn D. Kp-KcRnT
A. wewµq‡Ki cwigvY ew„ × B. Drcv‡`i cwigvY n«vm Soln:A
C. cfÖ ve‡Ki Dcw¯’wZ D. ZvcgvÎvi cwieZ©b 132.weï× cvwb‡Z OH- Avq‡bi NbgvÎv KZ?
Soln:D A. 10-8 mol L-1 B. 10-7 mol L-1
120.N2(g) + 3H2(g) ⇔ 2H3(g) wewµqvwUi †¶‡Î †KvbwU mwVK? C. 10-6 mol L-1 D. 10-5 mol L-1
A. Zvc evov‡j Drcv`b ev‡o B. Pvc evov‡j Drcv`b K‡g
Soln:B
C. Pvc evov‡j Drcv`b ev‡o 133.evqygЇji CO2 cvwb‡Z `ªexf‚Z n‡q †h GwmW ˆZix K‡i Zvi bvg-
D. mKj Zvc I Pv‡c Drcv`b AcwiewZ©Z _v‡K A. Kve©vwgK GwmW B. Kv‡e©vwjK GwmW
Soln:C C. Kve©wbK GwmW D. Kv‡e©v‡bU GwmW
121.Rjxq 0.02 M Ba(OH)2 `ªe‡Yi pH gvb- Soln:C
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134.GKwU `ªe‡Yi pH 4.25 n‡j [H+] KZ †gvj/wjUvi? A. 103 B. 102 C. 10-3 D. 5
A. 5.610-5 B. 5.210-5 C. 5.010-5 D. 5.610-6 Soln:C
Soln:A
146.wb‡Pi †Kvb& `ªe‡Yi pH 7.0 A‡c¶v †ewk?
135.A¨vwmwUK Gwm‡Wi Ka Gi gvb 1.8 10-5 n‡j 0.3M A¨vwmwUK A. 0.01M CH3COOH B. 0.01M NaCl
Gwm‡Wi Rjxq `ªe‡Yi pH KZ?
C. 0.01M NH4Cl D. 0.01M Na2CO3
Soln: D
A. 1.63 B. 2.06 C. 2.63 D. 2.03 147.GKwU `ªe‡Yi pH n‡jv 5.0| GB `ªe‡Yi g‡a¨ ch©vß cwigvY GwmW
Soln:C †hvM K‡i Gi pH 2.0-†Z bvwg‡q Avbv n‡jv| G‡Z `ªe‡Y H+ Gi
136.cvK¯’wji cvPKi‡m pH Gi gvb 1.4 n‡j H+ Avq‡bi NbgvÎv KZ? NbgvÎvi ew„ × n‡jv-
A. 0.0488 M B. 0.02782 M A. 1000 times B. 2.5 times
C. 0.0398 M D. 0.0598 M C. 100 times D. 5 times
137.0.01 mol/L NbgvÎv wewkó nvB‡Wªvwbqvg Avqb (H3O+) `ªe‡Yi Soln:A
pOH KZ? 148.0.1 M nvB‡Wªv‡K¬vwiK Gwm‡Wi pH gvb KZ?
A. 2 B. 12 C. 10 D. 14 A. 0.1 B. 1.0
Soln:B
C. 1.1 D. 10.1
138.wb‡gœi †KvbwU AmZ¨? Soln:B
A. NH+4 is the conjugate acid of base NH3 149. wb‡æi †Kvb&wU pH-Gi cwieZ©‡bi mv‡_ is cwieZ©b K‡i bv?
B. NH3 and H2O are conjugate pair A. †dbj †iW B. wbDUªvj †iW
C. OH– is the conjugate base of acid H2O
D. OH– and H2O are conjugate pair C. †dbjd_¨vwjb D. wg_vBj fv‡qv‡jU
Soln:B Soln:C
139.wb‡gœi wgkªYmgn~ †_‡K evdvi `ªeYwU kbv³ KiÑ 150.wb‡gœi †Kvb Gwm‡Wi pka = 3.74?
A. diwgK B. webRwqK
A. 0.2 M 10 mL CH3COOH + 0.2 M 10 mL NaOH C. A¨vwmwUK D. UªvB‡K¬viv A¨vwmwUK
B. 0.2 M 10 mL CH3COOH + 0.1 M 10 mL NaOH Soln:A
C. 0.1 M 10 mL CH3COOH + 0.2 M 10 mL NaOH 151.wb‡gœi †Kvb pH Gi Dc‡i n‡j gvwUi De©iZv webó nq?
D. 0.2 M 10 mL HCL + 0.1 M 10 mL NaoH A. 6.5 B. 7.5 C. 9.5 D. 8.5
Soln:B Soln:C
140.20 ml 0.2 M B_vbwqK GwmW (ka = 1.0 10–5) Ges 20 ml 152.wb‡gœi †KvbwU †dbj †iW-Gi eY© cwieZ©‡b pH Gi cwimi?
0.10 M NaOH `ªe‡Yi wgkª‡Yi gva¨‡g c¯Ö ‘ZK…Z evdvi `ªe‡Yi A. 6.88.4 B. 8.310.0 C. 3.85.4 D. 3.14.4
Soln:A
pH nj-
153.gvby‡li agbxi i‡³i pH Gi gvb 7.4 n‡j, i‡³ nvB‡Wªv‡UR Avq‡bi
A. 4.7 B. 5.0 C. –4.7 D. 7.0 NbgvÎv KZ?
Soln: A
141.0.002M mvjwdDwiK GwmW `ªe‡Yi pH nj- A. 3.89 10–7 mol L–1 B. 3.98 10–7 mol L–1
C. 3.98 10–8 mol L–1 D. 3.89 10–8 mol L–2
A. 2.70 B. 4.20 C. 2.40 D. 3.00
Soln:C
Soln:C
154. Pvlvev‡`i Rb¨ gvwUi pH KZ nIqv cÖ‡qvRb?
142.wb‡Pi †Kvb `ªe‡Yi pH 7.0 A‡c¶v †ekx?
A. 0.01 M CH3COOH B. 0.01 M NaCl A. 3-4 B. 4-5 C. 7-8 D. 10-11
D. 0.01 M Na2CO3
C. 0.01 M NH4Cl Soln:C
Soln:D
155.Zxeª GwmW I g„`y ¶viK UvB‡Uªk‡b e¨eüZ Dc‡hvMx wb‡`©kK wb‡gœi
143.wb‡gœi †KvbwU evdvi `ªeY?
†KvbwU?
A. CH3COOH & NaOH B. CH3COOH & CH3COONa
A. wg_vBj A‡iÄ B. wg_vBj †iW
C. NaOH & Na2CO3 D. HCl & NaCl Soln:B C. †dbjd&_¨vwjb D. _vBgj_¨vwjb
144.GKwU d‡ji i‡m nvB‡Wªv‡Rb Avq‡bi NbZ¡ 3.3102 M n‡j H
i‡mi pH KZ? Soln:A, B
A. 2.00 B. 1.48 C. 4.48 D. 2.18 156.wb‡gœi KZ pH Gi †ewk cwiewZ©Z n‡j gvby‡li Rxeb msKUvcbœ
C. Kp=Kc(RT)1 D. Kp=Kc(RT) nq?
Soln:B A. 0.7 B. 0.5 C. 0.8 D. 0.6
145.hw` †Kvb `ªe‡Yi pH -Gi gvb 2 †_‡K 5 -G cwieZ©b Kiv nq Z‡e Soln:A,B
`ªe‡Y H+ Avq‡bi NbgvÎv KZ ¸Y Kg‡e? 157.wbi‡c¶ Zi‡ji pH wb‡gœi †KvbwU?
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A. 7 B. 5 C. 12 D. 14 A. 4.0 108 molL1 B. 4.0 107 molL1
Soln:B C. 1.0 107 molL1 D. 1.4 107 molL1
158. †KvbwU mwVK bq? Soln:A
A. †nìvimb n¨v‡mjevK mgxKi‡Yi mvnv‡h¨ jeY I Gwm‡W 168.0.1 M nvB‡Wªv‡K¬vwiK Gwm‡Wi pH gvb KZ?
NbgvÎv †_‡K GKwU evdvi `ªe‡Yi ARvbv pH MYbv Kiv hvq| A. 0.1 B. 1.0 C. 1.1 D. 10.1
B. GKwU c`v_© wfbœ wfbœ †¶‡Î GwmW I ¶viK Dfq wn‡m‡e Soln:B
KvR Ki‡Z cv‡i 169.†Kvb `ªe‡Yi pH Gi gvb 8.45 n‡j `ªe‡Y nvB‡Wªv‡Rb Avq‡bi
C. wKQz wKQz mg‡hvRx †hŠM †cvjvi `ªve‡K `ªexfZ~ n‡j we`¨y r NbgvÎv KZ n‡e? (2008-2009)
cwienb Ki‡Z cv‡i A. 5.00104 M B. 3.55109 M
C. 1.82103 M D. 9.25101 M
D. RCOOH Ges NH4OH g„`y Zwor we‡kø‡l¨i D`vniY|
Soln:A Soln:B
159.bx‡Pi †Kvb `ªeYwUi pH gvb †ewk? 170.AYyeÜx GwmW I ¶viK hyM‡ji g‡a¨ cv_©K¨ wK?
A. GKwU H cigvYy B. GKwU H+ Avqb
A. 0.01 M HCl B. 0.01 M HNO3 C. GKwU AYy cvwb D. GKwU OH Avqb
C. 0.01 M HClO4 D. 0.01 M CH3COOH Soln:B
Soln:D 171.wb‡gœi †Kvb hMy j evdvi `ªeY ˆZix K‡i?
160.GKwU evdvi `ªe‡Y 0.2 †gvj `ye©j g‡bv‡ewmK GwmW (pKa = 4.8) A. CH3COOH and NaOH
B. HCl and NaOH
Ges 0.02 †gvj Gwm‡Wi †mvwWqvg jeY Av‡Q| Gi pH Gi gvb
†KvbwU? C. CH3COOH and CH3COONa
A. 2.8 B. 3.8 C. 4.8 D. 5.5 D. CaCl2 and K2CO3
Soln:B Soln:A
161.bx‡Pi †Kvb `ªe‡Yi pH 7 A‡c¶v †ewk? 172.GKwU `ªe‡Yi pH = 1.48 n‡j `ªe‡Y nvB‡Wªv‡Rb Avq‡bi NbgvÎv
A. 0.01 M NaCl B. 0.01 M CH3COOH KZ n‡e?
C. 0.01 M Na2CO3 D. 0.01 M NH4Cl A. 3.3102 moldm3 B. 0.075 moldm3
Soln:C C. 2.9102 moldm3 D. 2.5 moldm3
162.†dbd_¨vwjb wb‡`©kK A¤øxq `ªe‡Y †Kvb eY© aviY K‡i? Soln: A
A. bxj B. †Mvjvcx C. njy` D. eYn© xb 173.eªb‡óW-jvEix ZË¡ Abhy vqx wb‡Pi †KvbwU GwmW?
Soln:D A. Ggb GKwU †hŠM hv †cÖvUb `vb K‡i
163.evdvi `ªe‡Yi †¶‡Î †KvbwU cÖ‡hvR¨? B. Ggb GKwU Avqb hv †cÖvUb `vb K‡i
A. Zxeª GwmW I Zvi jeY B. `ye©j GwmW I `ey ©j ¶vi C. Ggb GKwU †hŠM ev †cÖvUb MÖnY K‡i
C. `ey ©j GwmW I Zvi jeY D. GwmW I `ye©j wb‡`©kK D. Ggb GKwU †hŠM ev Avqb hv †cÖvUb `vb K‡i
Soln:C Soln:A
164.0.025 M HCl `ªe‡Yi pH KZ? 174.gvby‡li agbxi i‡³i pH 7.40 n‡j i‡³ H+ Avq‡bi NbgvÎv
A. 1.0 B. 1.60 C. 1.3 D. 1.2 KZ?
Soln:B A. 3.98108 mole L1 B. 5.01108 mole L1
165.†KvbwU evdvi (buffer) `ªeY? C. 2.38108 mole L1 D. 5.01108 mole L1
A. CH3COOH + CH3COONa Soln:A
B. NH4Cl+NH4OH+NaCl
C. CH3COOH+CH3COOHNa 175.wb‡gœi †KvbwU K¨vUvqwbK †kÖYxi A¤ø?
D. NH4OH+NaCl
Soln:A A. H2SO4 B. H2CO3
C. CH3COOH2 D. CH3COOH
166.†Kvb †Rvov Gwm‡W ZxeªZvi µg fzj? Soln:C
A. CH3COOH > CH3CH2COOH 176.298K ZvcgvÎvq cvwbi AvqwbK ¸Ydj (Kw) n‡e-
B. ClCH2COOH > CH3COOH A. 110-7 B. 110-14 C. 210-7 D. 210-14
Soln:B
C. HClO4> HNO3
177.cvwbi pH Gi †¶‡Î †KvbwU mwVK- (08-2009)
D. HF > HCl Soln:D A. Pv‡ci Dci wbf©ikxj B. Pv‡ci Dci wbf©ikxj bq
C. Zv‡ci Dci wbf©ikxj D. Zv‡ci Dci wbf©ikxj bq
167. gvby‡li i‡³i pH = 7.4 n‡j, nvB‡Wªv‡Rb Avq‡bi NbgvÎv KZ?
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Soln:C Soln:A
178.pH K_vwU †bIqv n‡q‡Q- 190.hw` †Kvb `ªe‡Yi pH = 3.6 nq, Zvn‡j [H+] KZ?
A. Puissanced hydrogen †_‡K
B. Pressured hydrogen †_‡K Soln:A A. 2.51 10–4 M B. 3.9 10–3 M
C. Puisand hydrogen †_‡K C. 5.5 10–1 M D. 2.7 10–2 M
D. Passion hydrogen †_‡K
Soln:A
179.0.001 †gvjvi A¤øxq `ªe‡Yi- pH gvb KZ?
191.wb‡gœi †Kvbw& Ui pH me‡P‡q †ekx?
A. 0.1 M HCl B. 1.0 M Na2CO3
A. 1.00 B. 2.0 C. 3.0 D. 4.0 C. 1.0M NaCl D. 0.01M NaOH
Soln:C
Soln:D
180.pH 2-Gi `ªe‡Yi Zzjbvq pH 5-Gi `ªeY KZ ¸Y Kg Avw¤øK? 192.me©v‡c¶v `~e©j A¤ø †KvbwU?
A. 3 B. 10 C. 100 D. 1000 E.105 A. HNO2 B. HNO3
Soln:D
C. H2SO3 D. H2SO4 E. H3PO4
181.106 M NaOH-Gi `ªeY‡K kZ ¸Y jNy `ªe‡Y cwiYZ Ki‡j pH
KZ n‡e? Soln:A
193.0.001M KOH `ªe‡Yi pH KZ?
A. 3 B. 2
A. 56 B. 67 C. 78 D. 89 E. 910 C. 11 D. 12 E. 13
Soln:E
Soln:C
182. 0.01M KOH `ªe‡Yi pH KZ?
194.nvB‡Wªv‡Rb Avq‡bi NbgvÎv †ekx n‡j pH Gi gvb-
A. 1 B. 2 C. 5 D. 12 E. 10 A. ev‡o B. K‡g
Soln:D C. cwieZ©b nq bv D. kb~ ¨ nq E. evdvi nq
183.H2O + NH3 ⇌ NH4+ + OH– wewµqvq cvwb GKwU- Soln:B
A. ¶vi B. wbi‡c¶ †hŠM 195.Na2CO3 Gi Rjxq `ªeY †Kvb cÖK…wZi?
C. AYey Üx ¶viK D. GwmW E. AYey Üx GwmW A. GwmWxq B. ¶vixq
Soln:D C. wbi‡c¶ D. Dfqag©x E. me¸‡jv
184.†dbjd_¨vwjb wb‡`©k‡Ki eY© cwieZ©‡bi pH n‡”Q- Soln:B
A. 8–10 B. 9–12 196.pH wK?
C. 10–14 D. 5–7 E. 6–8 A. pH = -log [OH-] B. pH = log [H']
Soln:A C. pH = - log (H') D. pH = - log [H']
185.0.001 M NaOH `ªe‡Yi pH KZ? E. pH = log [OH']
Soln:D
A. 11 B. 10
197.¶vi nj Ggb GKwU c`v_© hv GKwU †cvÖ Ub MÖnY Ki‡Z cv‡i- GwU
C. 3 D. 14 E. 0.1
Soln:A Kvi gZev`?
186.†Kvb `ªe‡Yi PH 4 n‡Z 5 G e„w× †c‡j `ªeYwUi H+ Avq‡bi A. eªb‡óW-jvDwi gZev` B. AvqwbK gZev`
NbgvÎv- C. jyBm gZev` D. Avi†nwbqvm gZev` E. †KvbwUB bq
A. A‡a©K n‡e B. 10 ¸Y K‡g hv‡e Soln:A
C. wظY n‡e D. 10 ¸Y †e‡o hv‡e 198.SO42- Ges PO43- Abey Üx GwmW n‡”Q-
E. AcwiewZ©Z _vK‡e A. H2SO4, H2PO4- B. HSO4-,HPO42-
Soln:B C. HSO4-,H2PO4- D. H2SO4,H3PO4
187.†cvÖ Ubxq gZev` †Kvb mv‡j cÖKvwkZ nq? E. H2SO4,HPO42-
A. 1941 B. 1923 Soln:B
C. 1925 D. 1931 E. 1936 199.0.365% HCl `ªe‡Yi pH KZ?
E. 0
Soln:B A. 0 B. 1 C. 2 D. 3 E. 4
188.gvwUi pH KZ _vKv evÃbxq?
A. 6 – 7 B. 7 – 8 Soln:B
C. 8 – 9 D. 5 – 6 200.GKwU ˆRe Gwm‡Wi we‡qvRb gvÎv 10% n‡j H Gwm‡Wi 0.001 M
Soln:C `ªe‡Yi pH KZ n‡e?
189.0.01M NaOH `ªe‡Yi pH KZ? A. 1 B. 3 C. 4 D. 0
Soln:C
A. 12 B. 14
C. 10 D. 8 E. 2
|
201.100 ml Rjxq `ªe‡Y GKwU `ey ©j Gwm‡Wi cwigvY 6.7 mmol Ges Soln:C, H2SO4 GKwU H Z¨vM K‡i HSO4– G cwiYZ nq ZvB
H2SO4 Gi KbRy‡MU ¶vi nj HSO4–
Dnvi †mvwWqvg je‡Yi cwigvY 4.5 mmol `ªeYwUi pH 4.6 212.†KvbwU AwaK kw³kvjx ¶vi?
`ªeYwU‡Z 900 ml cvwb †hvM K‡i 10 ¸Y cvZjv Kiv n‡jv| A. NH3 B. CH3NH2 C. C6H5NH2 D. N2
`ªeYwUi pH KZ n‡e? Soln:B
A. 3.6 B. 4.6 C. 5.6 D. 14 213.CH3COOH-Gi Rjxq `ªe‡Y CH3COONa †hvM Ki‡j `ªe‡Y-
Soln:B A. H+ msL¨v evo‡e B. pH evo‡e
202.wb‡gœi †KvbwU fzj? C. pH Kg‡e D. †KvbwUB bq
A. 10–2M HCl `ªe‡Yi pH Gi gvb 2 Soln:D
B. 0.01 M Na2CO3 `ªe‡Yi pH Gi gvb 7 †_‡K Kg 214.Rjxq 0.02 M Ba(OH)2 `ªe‡Yi pH gvb-
C. 0.01 M NaOH `ªe‡Yi pH Gi gvb 12
D. 10–9M HCl `ªe‡Yi pH Gi gvb 9 A. 12 B. 13 C. 12.6 D. 13.5
Soln:C
215.`ªe‡Y GKwU `ey ©j ¶viK Zvi je‡Yi Dcw¯’wZ‡Z AviI `ey ©j nevi
Soln:B KviY-
203.i‡³i g‡a¨ †Kvb evdvi we`¨gvb? A. Av`ªwe‡kølY B. cÖkgb
A. Kve©‡bU-evBKve©‡bU B. evBKve©‡bU-Kve©wbK GwmW C. AvqbxKiY D. mg-Avqb cÖfve
C. Kve©‡bU-Kve©wbK GwmW D. evBKve©‡bU-Kve©WvBU A·vBW Soln:D
Soln:B 216.†Kvb jeYwUi Rjxq `ªeY ¶vixq?
204.0.1 M HCl Gi pH KZ? A. NH4Cl B. KCl
C. NaCN D. AgNO3 Soln:D
A. 1 B. 13 C. 8 D. 6 217.NaOH Øviv CH3COOH †K UvB‡Uªk‡bi Rb¨ Dch³y wb‡`©kK
Soln:A n‡jv-
205.wb‡Pi wewµqvq †KvbwU GwmW, †KvbwU ¶viK? A. †dbjd_¨vwjb B. wg_vBj A‡iÄ
HNO3 + 2H2SO4 ⇄ H3O+2HSO4⊝+ NO2⊝ C. wg_vBj †iW D. †h †Kvb wb‡`©kK Soln:A
A. H2SO4 GwmW, HNO3 ¶viK
B. H2SO4 ¶viK, HNO3 GwmW 218.Zxeª GwmW I g„`y ¶vi cÖkg‡b †Kvb wb‡`©kK e¨eüZ nq?
C. H2SO4 Ges HNO3 `ywUB GwmW wnmv‡e AvPiY K‡i
D. H2SO4 Ges HNO3 `wy UB ¶viK A. wjUgvm B. wg_vBj A‡iÄ
Soln:A C. wdbjd_¨vwjb D. _vBgj eøy Soln:B
219.cvwb †Kvb ˆewkó¨ cÖ`k©b K‡i?
A. A¤øxq B. ¶vixq C. wbi‡c¶ D. me¸‡jv
206.30 cm3 0.12 M NaOH `ªe‡b 15 cm3 0.11 M H2SO4 †hvM Soln:D
Ki‡j `ªeYwU n‡e-
220.†Kvb `ªe‡Yi pH 4 n‡j H `ªe‡Y OH- Avq‡bi NbgvÎv n‡e-
A. 10-11 mol l-1 B. 10-10 mol l-1
C. 10-4 mol l-1 D. 10-9 mol L-1 Soln:B
A. A¤øxq B. ¶vixq C. wbi‡c¶ D. jeYv³ 221.Rjxq `ªe‡Y †dbd‡_wj‡bi eY© cwieZ©‡bi pH-cwimi n‡e-
Soln:B A. 7.0-9.0 B. 6.5-8.5
207.jyBm ¶vi †KvbwU? C. 8.3-10.0 D. 5.5-7.0 Soln:C
222.†Kvb je‡Yi Av`ª© we‡køl‡Yi A¤øxq `ªeY ˆZix nq?
A. NaOH B. KOH A. NaCl B. NH4Cl
C. A¨vwgb D. nvBWªw·j A¨vwgb C. Na2CO3 D. KNO3Soln:B
Soln:A 223.weï× cvwb‡Z OH- Avq‡bi NbgvÎv KZ?
208.Ca avZz cvwb‡Z wgwkÖZ K‡i Zv‡Z †dbjd_¨vwjb †hvM Ki‡j A. 10-8 mol L-1 B. 10-7 mol L-1
`ªeYwUi eY© n‡e- C. 10-6 mol L-1 D. 10-5 mol L-1 Soln:B
A. †Mvjvcx B. †e¸bx C. bxj D. eY©nxb| 224.GKwU `ªe‡Yi pH 4.25 n‡j [H+] KZ †gvj/wjUvi?
A. 5.610-5 B. 5.210-5
Soln:A C. 5.010-5 D. 5.610-6 Soln:B
209.10 ml 0.1 M A¨vwmwUK GwmW `ªe‡Y 4 ml 0.1 M NaOH `ªeY †hvM 225.A¨vwmwUK Gwm‡Wi Ka Gi gvb 1.8 10-5 n‡j 0.3M A¨vwmwUK
Ki‡j Drcbœ `ªe‡Yi pH KZ n‡e? [pKa = 4.76] Gwm‡Wi Rjxq `ªe‡Yi pH KZ?
A. 3.58 B. 4.58 C. 6.23 D. 4.32 A. 1.63 B. 2.06 C. 2.63 D. 2.03
Soln:B Soln:C
210.wb‡gœi †KvbwU me‡P‡q Zxeª GwmW? 226.cvK¯’wji cvPKi‡m pH Gi gvb 1.4 n‡j H+ Avq‡bi NbgvÎv KZ?
A. HClO B. HClO4 C. HClO3 D. HClO2 A. 0.0488 M B. 0.02782 M
D. H3SO3
Soln:B C. 0.0398 M D. 0.0598 M Soln:B
211.H2SO4-Gi KbR‡y MU ¶vi †KvbwU? 227.0.1 M HCl `ªe‡Yi pH KZ?
A. SO32– B. H3O+ C. HSO4– A. 1 B. 3 C. 10 D. 12 Soln:A
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228.wb‡`©kK wnmv‡e †Kvb ai‡bi UvB‡Uªk‡bi †¶‡Î wg_vBj †iW C. 2Na + 2HCl 2NaCl + H2
Dc‡hvMx? D. NaOH + HCl NaCl + H2O Soln:B
A. Zxeª GwmW I Zxeª ¶viK B. Zxeª GwmW I g„`y ¶viK 241.wØ-we‡hvRb wewµqv n‡”Q- (97-98)
C. g„`y GwmW I Zxeª ¶viK D. g„`y GwmW I g`„ y ¶viK A. 2H2S + SO2 S + 2H2O
B. AgNO3 + NaCl NaNO3 + AgCl
Soln:B C. Na2CO3 + H2O 2NaOH + H2CO3
D. Zn + H2SO4 ZnSO4 + H2
229.†h `ªe‡Y mvgvb¨ cwigvY A¤ø ev ¶viK †hvM Ki‡jI †mwU wbR¯^ pH
242.`ªeY Zvc ejv nq- (99-00)
w¯’i ivLvi ¶gZv iv‡L Zv‡K e‡j- Soln:B
A. evdvi `ªeY B. A¤øxq `ªeY A. `ªeY ˆZixi Rb¨ cÖ‡qvRbxq Zvc‡K|
C. ¶viKxq `ªeY D.†KvbwUB bq Soln:A B. `ªe‡Yi g‡a¨ †h Zvc we`¨gvb _v‡K|
230.wg_vBj †iW ¶vixq `ªe‡Y wK eY© †`q? C. `ªeY cÖ¯‘wZKv‡j Drcbœ ev †kvwlZ Zvc‡K|
A. bxj B. Kgjv C. njy` D. jvj Soln:C D. `ªeY I `ªve‡Ki Zvc‡K GK‡Î| Soln:C
231.HCl(0.1 M) `ªe‡Yi pOH KZ? 243.wb‡gœi †Kvb wewµqvwU Zvcnvix- (98-99)
A. 1 B. 13 C. 2 D. 12 Soln:B A. C + O2 CO2 B. N2+O2 2NO
C. 2H2 + O2 2H2O D. CH4+2O2CO2+H2O
232. †Kvb Rjxq `ªeYwU‡Z nvB‡Wªvwbqvg Avq‡bi NbgvÎv me©vwaK?
A. HCl (pH = 1) B. CH3COOH (pH = 0.1) Soln:B
C. H2SO4 D. HN3O(pH = 1.5) Soln:A 244.†Kvb wewµqvq wewµqK Ges Drcv` hw` w¯’i _v‡K Z‡e wewµqvwU GK
av‡c NUKz ev GKwaK av‡c NUKz bv †Kb, †gvU Zvckw³i cwieZ©b
233. cvwZZ cvwb‡K †Lvjv cv‡Î †i‡L w`‡j wKQwy `b ci Zvi pH KZ
n‡e? me©`v mgvb n‡e| GwU‡K †Kvb m~Î e‡j?
A. pH > 7 B. pH < 7 A. j¨vfqwm‡q j¨vcjv‡mi mÎ~ B. ivD‡ëi m~Î
C. †nm-Gi Zvc mgwóKiY m~Î D. dvhv‡bi m~Î Soln:C
C. pH = 7 D. pH = 9 Soln:C 245.†KvbwU mvjdvi UªvBA·vB‡Wi ag© bq?
A. cvwb‡Z mvjwVDwiK GwmW Drcbœ K‡i
234. GKwU `ªe‡Yi [OH-]= 3.410-5 M n‡j `ªeYwUi pH KZ? B. KwVb wKš‘ DØvqx
C. cvwb‡Z Lye †ekx `ªeYxq D. GwU g~jZ weRviK c`v_©
A. 7.53 B. 9.53
C. 10.53 D. 5.53 Soln:B
235.wb‡gœi †Kvb wewµqvwU cÖkgY Gb_vjwc, H neutr., cÖKvk K‡i?
A. H2SO4(aq) + Ca(OH)2(Aq) CaSO4(aq) + 2H2O(l) Soln:D
B. H2SO4(aq) + 2NH3(aq) (NH4)2SO4(aq) 246.†KvbwU mwVK bq?
C. HCl(aq) + 1/2 Ca(OH)2(aq) 1/2 CACl2(aq) + H2O(l) A. cix¶vgj~ Kfv‡e †`Lv †M‡Q †h, Zvcnvix wewµqv¸‡jv mvaviYZ
D. 2HCl(aq) + Ca(OH)2(aq) CaCl2(aq) + 2H2O(l) ¯^Ztù~Z©fv‡e N‡U _v‡K
Soln:C
B. nvBweªwW‡Rkb cÖwµqvq Drcbœ AiweUvj‡K msKi ev nvBweªW
236.25C ZvcgvÎvq I 1 atm Pv‡c Bw_wjb, nvB‡Wªv‡Rb I B‡_‡bi `nb
AiweUvj e‡j
Zvc h_vµ‡g- 1410.91 kJ, –284.24 kJ I –1560.24 kJ.
C. †h me Zworwe‡køl¨ c`v_© `ªe‡Y ev MwjZ Ae¯’vq m¤úY~ ©iæ‡c
Bw_wj‡bi weRvi‡Y D™¢~Z Zv‡ci cwigvY KZ?
we‡qwRZ n‡q Avq‡b cwiYZ nq Ges Zwor cwienY K‡i Zv‡`i
A. –144.92 kJ B. 244.92 kJ
C. 34.92 kJ D. –134.92 kJ Soln:D Zxe¨ Zworwe‡køl¨ e‡j
237.ML GKwU `vbv`vi †hŠM| Gi cvwb‡Z `ªexf‚Z nevi ch©vq I mswkøó D. †ekxi fvM ev¯Íe `ªeYB Abv`k© wn‡m‡e AvPiY K‡i Soln: A
Gb_vjwc wb‡P †`qv nj| †hŠMwUi cvwb †hvRb Gb_vjwc H1 (kJ) 247.`nb Zvc ej‡Z eySvqÑ
KZ? A. 1 atm Pv‡c Aw·‡R‡b 1 mole cwigvY †Kvb e¯‘i m¤ú~Y©iæ‡c
ML(s)+Water ML (aq) H = 50kJ `n‡bi d‡j, Zvckw³i cwieZ©b
ML(s) + xH2OML.xH2O(s) H1 = ? B. 1 gm e¯‘‡K Aw·‡R‡b m¤úY~ ©iæ‡c `nb Ki‡j, Zvckw³i cwieZ©b
MLxH2O(s)+Water ML(aq) H2= +10kJ C. 1 mole †Kvb e¯‘‡K Aw·‡R‡b `nb Ki‡i, Zvckw³i cwieZ©b
A. + 60 B. 60 D. 1 atm Pv‡c †Kvb e¯‘i `n‡b, kw³i cwieZ©b Soln:A
C. 40 D. + 40 Soln:B 248.wPwbi Mjbv¼ KZ?
238.10 MÖvg cvwb 4 C †_‡K 14 C ZvcgvÎvq DbœxZ Ki‡Z KZ K¨vjwi A. 356 K B. 388 K
Zvc cÖ‡qvRb? C. 433 K D. 505 K Soln:C
Soln:D
A. 10 Calories B. 14 Calories 249.eÜb Gb_vjwci GKK †KvbwU?
C. 100 Calories D. 140 Calories Soln:C A. Rjy / †gvj B. wK‡jvRyj
239.evqyi Abycw¯’wZ‡Z D”PgvÎvq (6000C) KvV‡K `nb Ki‡j wb‡Pi C. †gvj/ wK‡jvRyj D. wK‡jvRyj/ †gvj
†KvbwU cvIqv hvq? 250.wg‡_b, B‡_b, †cÖv‡cb Ges B_vb‡ji `nb Zvc h_vµ‡g –890.3, –
1559.7, Ges –1379.4 kj †Kvb R¡vjvbxi K¨vjwiwdK gvb me‡P‡q
A. †KvK B. QvB †ekx?
A. †cÖv‡cb B. wg‡_b C. B‡_b D. B_vbj
C. KvVKqjv D. Mø‡y KvR Soln:A
Soln: B
240.wb‡Pi †KvbwU wØ-we‡hvRb wewµqv? (99-00)
251.wb‡Pi †KvbwU GKwU m¤ú~Y© Zvc-ivmvqwbK mgxKiY?
A. 2H2 + O2 2H2O
B. AgNO3 + NaCl AgCl +NaNO3
A. 2H2 + O2 2H2O; H = –571.70 Kj mol–1 |
B. 2H2(g) + O2(g)2H2O(g); H = –473.67 kj mol–1
Aa¨vq 05t Kg©gLy x imvqb
C. Dc‡ii me¸‡jv
D. Dc‡ii †KvbwUB bq Soln:B 1. n¨vgevMv©i msiÿ‡Y e¨eüZ nq-
252.wb‡gœi †Kvb eÜbwUi eÜb kw³ me‡P‡q †ekx? K KClO3 L KIO3
A. N ≡ N B. N - H M KBrO3 N KClO2
C. C ≡ C D. C = O 2. wcÖRvi‡fwUf wn‡m‡e †mvwWqvg †ebR‡q‡Ui e¨env‡ii
Soln:A Ab‡y gvw`Z mxgv KZ?
253.Zvc Drcv`x ivmvqwbK wewµqv‡Z- K 10 ppm L 100 ppm
A. wewµqvi ¯^Ztù‚Z©Zv eSy v hvq B. †n‡mi m~Î cÖ‡qvM Kiv nq M 200 ppm N 300 ppm
C. Zvc †kvwlZ nq D. Zvc wbM©Z nq 3. ‡ewi‡ewi †ivMwU †Kvb wfUvwg‡bi Afv‡e N‡U?
Soln: D KK L B1
254.wb‡gœi †Kvb& cÖKvi cÖkgb wewµqvq Zv‡ci gvb aªæeK _v‡K?
A. Zxeª GwmW I `ye©j ¶vi B. `ye©j GwmW I Zxeª ¶vi M B6 NC
C. Zxeª GwmW I Zxeª ¶vi D. `ey ©j GwmW I `ye©j ¶vi 4. Møvm wK¬bv‡i Kx e¨envi Kiv nq?
E. †KvbwUB bq K B_vbj L wf‡bMvi
Soln:C M NH3 N NaOH
255.†Kvb&wU Zvcnvix wewµqv? (2008-2009) 5. f¨vwbwks wµ‡gi cÖavb Dcv`vb-
A. C+O2CO2 B. 2H2+O22H2O K w÷qvwiK GwmW L Kw÷K cUvm
C. C+2SCS2 D. N2+3H22NH3
E. 2SO2+O22SO3
Soln:C M cvwb N mMy wÜ
6. `‡y ai pH KZ?
K 6.5-6.75 L 7.5-7.75
M 6.4-6.56 N 6.0-6.15
7. AvdUvi †mf †jvk‡bi caÖ vb Dcv`vb †KvbwU?
K A¨vj‡Kvnj L †gb_j
M cvwb M j¨v‡bvw_j
8. Uq‡jU wK¬bvi cÖ¯‘wZ‡Z e¨eüZ nq-
K Dw™¢¾ †Zj L wjKvi A¨v‡gvwbqv
M †gvg N †ewKs †mvWv
9. wf‡bMvi I GwmwUK Gwm‡Wi kZKiv cwigvY KZ?
K 6-9% L 6-10%
M 10-15% N 10-20%
10. wb‡Pi †KvbwU U‡g‡Uv‡Z cvIqv hvq?
K _vqvwgb L A¨vmKiweK GwmW
M †dvwjK GwmW N †iwUbj
11. 15C ZvcgvÎvq `‡y ai Mo Av‡cwÿK ¸iæZ¡ n‡jv-
K 1.5 L 1.2
M 1.001 N 1.032
12. wb‡Pi †KvbwU cÖvK…wZK Lv`¨ msiÿK?
K ‡mvwWqvg †eb‡Rv‡qU L †ebRwqK GwmW
M †mvwWqvg †K¬vivBW N N` †cÖvcv‡qv‡bU
13. Lv`¨ †KŠUvRvZKi‡Y wmivc †hvMKiY Gi cieZx© avc
†KvbwU?
K eøvwÂs L wmwjs
M G·Rw÷s N UKz ivKiY
14. `y‡a Emulsifier n‡jv-
|
K Pwe© L j¨vK‡UvR K (5-10)% B_vbwqK GwmW L mi‡eU
M M¨vjvK‡UvR N †cÖvwUb M c¨vivweb N C÷
15. Lv`¨ `ªe¨ bó nIqvi KviY KqwU? 29. gvb‡y li †`‡ni kZKiv M‡o KZfvM cvwb?
K 3wU L 4wU K 70 L cÖvq 70
M 5wU N 6wU M 80 N 85
30. jv‡mvb _v‡K-
16. gvQ I gvsm msiÿ‡Yi Rb¨ †KŠUvi †fZ‡i †KvbwUi cÖ‡jc
†`qv nq? K ‡Mvjvc R‡j L cviwdD‡g
K NiO L Ag2O M †g‡nw` cvZvq N mvev‡b
M ZnO N ZnS 31. Avgv‡`i †`‡k †Kvb c×wZ‡Z AvPvi ˆZwi nq?
17. ‡KvbwU K…wÎg A¨vw›UAw·‡W›U? K wKDwis L MvRu b M K¨vwbs N cvZb
K wfUvwgb C L wfUvwgb E 32. e¨vK‡Uwiqv ew„ ×i mnvqK ZvcgvÎv n‡jv-
M B K¨v‡ivwUb N †cÖvcvBj M¨v‡jU K 20-40C L 30-45C
18. ‡Kvj‡qW KYvi e¨vm KZUzKz nq? M 40-45C N 45-50C
K 5-200 nm L 200-1000 nm 33. wb‡¤œi †KvbwU cÖvK…wZK A¨vw›U-Aw·‡W›U?
M 1000-2000 nm N 2000-2050 nm K wf‡bMvi L U‡Kv‡dij
19. Lv`¨`ªe¨ msiÿ‡Yi Rb¨ eûj e¨eüZ Ges mvkqÖ x Dcvq
M TBHQ N BHT
†KvbwU?
34. gvsm I gvQ msiÿ‡Y †KvbwUi wgkÖY Kiv nq?
K digvwjb e¨envi L wf‡bMvi e¨envi K KNO2.KNO3 L KNO2.KaNO2
M wngvMvi e¨envi N †KŠUvRvZKiY M KNO3.NaNO2 N NaNO3.KNO3
20. wb‡Pi †Kvb †Rvovq A¨vw›UAw·‡W›U ag© we`¨gvb? 35. gvQ I gvsm msiÿ‡Y †Kvb cÖvKw… ZK msiÿKwU GL‡bv
K gwiP-nj`y L NaCl-‰Zj e¨eüZ nq?
M ˆZj-nj`y N je½-njy` K mi‡eU L jeY
21. ‡Kvb ZvcgvÎvq e¨vK‡Uwiqvi `ªæZ ew„ × N‡U? M wPwb N †eb‡Rv‡qU
K 10 L 10-60 36. cÖwZ 100 MÖvg Miæi `ya †_‡K cÖvß Lv`¨ K¨vjwi-
M 60 N 185C K 66 kCal L 72 kCal
22. `ya Gi wgwó ¯^v‡`i KviY n‡jv `y‡a Av‡Q- M 76 kCal N 82 kCal
37. ‡KvbwU Gw›UªAw·‡W›U?
K ‡cÖvwUb L j¨vK‡UvR
M m‡y µvR N m¨vKvwib K ‡eb‡Rv‡qU L mvjdvBU
23. AYyRx‡ei weKvk I ew„ ×i Rb¨ cÖ‡qvRb- M mvBwUªK GwmW N mi‡eU
K A¤øxq cwi‡ek L Rjxq cwi‡ek 38. pH =3 gv‡b wf‡bMv‡ii we‡qvRb gvÎv n‡jv-
M ÿvixq pH N 37C ZvcgvÎv K 98% L 2% M 50% N 10%
39. wjcw÷‡Ki ¯’vwqZ¡ ew„ × Ki‡Z †Kvb †Zj e¨eüZ nq?
24. ‡`kxq dj¸‡jvi ˆewkó¨ n‡jv-
K D”P A¤øhy³ L D”P ÿvixq K K¨v÷i L wmwjKb
M wb¤œ A¤øhy³ N Zxeª ÿvixq M LwbR N Awjf
25. Møvm wK¬bv‡ii †Kvb Dcv`vbwU †Zj I wMÖR `i~ xf~Z K‡i? 40. we¯…ZÍ `kv I we¯Ívi `kv Df‡qB Zij Gi D`vniY †KvbwU?
K A¨v‡gvwbqv L wf‡bMvi K A¨v‡ivmj L `ya
M wWUvi‡R›U N AvB‡mv‡cÖvcvBj M †dvg N Kv`v wgwkÖZ cvwb
A¨vj‡Kvnj 41. R¡i, e¨_vbvkK Il‡y ai †kvlY cÖwµqv cvK¯w’ ji †Kvb
cwi‡e‡k môy zfv‡e N‡U?
26. Pweh© ³y gv‡Qi K¨vwbs G KZ ZvcgvÎv cÖ‡qvRb?
K 110-115C L 90-110C K wbi‡cÿ L A¤øxq
M 130C N 121C M ÿvixq N A¤øxq-ÿvixq
27. wb‡¤œi †KvbwU cÖvKw… ZK Lv`¨ msiÿK? 42. ÷v‡P©i ms‡KZ †KvbwU?
K ‡mvwWqvg †K¬vivBU L †mvwWqvg †eb‡Rv‡qU K (C6H12O5)n L (C6H10O5)n
M (C6H10O8)n N (C6H12O6)n
M †mvwWqvg †K¬vivBW N †cÖvcvb‡qU 43. Mø‡y KvR GKwU-
28. wb‡Pi †KvbwU cÖvK…wZK dzW wcÖRvi‡fwUfm?
|
K A¨vjwWnvBW L Kv‡evn© vB‡WªW M pH 3.14 N pH 3.01
M GwmW N G÷vi 57. A¨vj‡Kv‡bv‡jgvBW bv‡g cwiwPZ †dbv Drcv`b wb‡Pi
44. ‡KvbwU cÖvKw… ZK Lv`¨ msiÿK? †KvbwU n‡e?
K cvwb L Pbz M ˆZj N gvwU K ‡mvwWqvg jivBj mvj‡dU
45. Lv`¨ e¨eüZ †eb‡Rv‡q‡Ui Aby‡gvw`Z gvÎv KZ? L A¨v‡gvwbqvg jivBj mvj‡dU
K 0.0001% L 0.001% M KK& A¨vgvB‡Wv †cÖvcvBj †eUvBb
M 0.1% N 0.2% N †mvwWqvg †eb‡Rv‡qU
46. ‡KvbwU wf‡bMv‡ii ms‡KZ? 58. ‡mvwWqvg †ebR‡qU wcÖRvi‡fwUfwU †Kvb pH gv‡b AwaK
Kvh©Ki?
K C2H5COOH L CH3COOH
M HCOOH N HCHO K 4.5 L 5.5
47. ‡Mvmj Kivi mvev‡b pH Gi gvb KZ mxgvi g‡a¨ ivLv nq? M 6.5 N 7.5
K 12-14 L 0-2 M 7-8 N 3-4 59. Lv`¨ msiÿ‡Y †h c`v_©wU eûj e¨eüZ nq Zv n‡jv-
48. U¨vjKg cvDWv‡ii cÖavb Dcv`vb Kx?
K ‡cÖvcvbwqK GwmW L †cÖvcvbj
K K¨vjwmqvg Kve©‡bU L †evwiK GwmW M †iKwUdvBW w¯úwiU N wf‡bMvi
M g¨vM‡bwmqvg wmwj‡KU N g¨vM‡bwmqvg w÷qv‡iU 60. wb‡Pi †Kvb Lv‡`¨ Lv`¨-Zši‘ cwigvY me‡P‡q †ewk?
49. ‰Zj I Pwe©hy³ Lv`¨ msiÿ‡Y †KvbwU e¨eüZ nq? K Kijv L gUiïwu U
K BHA L EDTA M evku †Kvoj N ev`vg
M BTH N BAH 61. f¨vwbwms µxg ˆZwii cÖavb Dcv`vb †KvbwU?
50. `y‡ai cÖavb Dcv`vb n‡jv- K KwóK cUvm L w÷qvwiK GwmW
K wfUvwgb L j¨vK‡UvR M KviweUvj N mMy wÜ
M cvwb N Pwe© 62. KLb exKv‡i iwÿZ wgkÖYwU‡K GKwU `ªeY ejv hv‡e?
51. KLb weKv‡i iwÿZ wgkYÖ ‡K `ªeY ejv hv‡e? K KYv¸‡jv Zjvq cwZZ n‡j
K KYv¸‡jv weKv‡ii Zjvq cwZZ n‡j L KYv¸‡jv Dcwi c„‡ô D‡V Avm‡j
L KYv¸‡jv weKv‡ii `ªve‡K m¤úY~ © wg‡k †M‡j Ges c„_K M wgkÖ‡Y KYv¸‡jv `ªexf~Z n‡h †M‡j
Aw¯ÍZ¡ †`Lv bv †M‡j N wgkÖ‡Y KYv¸‡jv AcwiewZ©Z Ae¯v’ q NyivNwy i Ki‡j
M KYv¸‡jv weKv‡ii Dc‡ii c‡„ ô Avm‡j 63. Zij G›UvwmW †KvbwU Ñ?
N KYv¸‡jv wgkÖ‡Y AcwiewZ©Z Ae¯v’ q _vK‡j Ges Lvwj K mj L †Rj
†Pv‡L †`Lv bv ‡M‡j M mvm‡cbmb N Bgvjmb
52. Uq‡jU wK¬bvi cÖ¯‘wZ‡Z e¨eüZ nq- 64. wf‡bMv‡ii †ÿ‡Î †KvbwU mwVK?
K Dw™¢¾ †Zj L wjKvi A¨v‡gvwbqv K GwU GKwU mij GwmW
M †ewKs †mvWv N †gvg L GwU ‡cÖvwU‡bi MVb‡K fvO‡Z mÿg
53. Møy‡Kv‡Ri AvYweK ms‡KZ C6H12O6 GwU Kx? M diwgK Gwm‡Wi 6-10% R¡jxq `ªeY
K GKwU A¨vjwWnvBW L Kv‡evn© vB‡WªU N GwU †gvì aŸsm Ki‡Z cv‡i bv
M GKwU GwmW N GKwU G÷vi 65. `y‡ai cÖavb Kv‡ev©nvB‡WªU n‡jv-
54. wb‡Pi †Kvb ivmvqwbK c`v_©wU wcÖRvi‡fwUfiƒ‡c e¨env‡i K Møy‡KvR L m‡y µvR
wbwl× Av‡Q?
M j¨vK‡UvR N gj‡UvR
K ‡ebRwqK GwmW L †eb‡Rv‡qU GwmW
66. `‡y a we`¨gvb mev©waK cwigvY wfUvwgb n‡jv-
M wf‡bMvi N K¨vjwmqvg Kve©vBW
K wfUvwgb wm L wfUvwgb wW
55. e¨vK‡Uwiqv e„w×i mnvqK ZvcgvÎv wb‡Pi †KvbwU mwVK
n‡e? M wfUvwgb B N wfUvwgb we-2
K 20-24C L 30-45C 67. ‡Kvqv¸‡jk‡bi AvwfavwbK A_© Ñ
M 40-45C N 45-50C K wewÿß nIqv L RgvU evuav
56. wcÖRvi‡fwUfiƒ‡c e¨eüZ mvBwUªK Gwm‡Wi pH gvb KZ M PvRh© y³ nIqv N mvm‡c‡ÛW nIqv
_v‡K? 68. †Zj wb‡¤œi †Kvb †hŠMwU‡Z `ªexfZ~ n‡e?
K pH 4.74 L pH 4.50 K cvwb L †K¬v‡ivdig
|
M Zij A¨v‡gvwbqv N mvjdvi M we‡bvwgj N mvewUwjb
69. wb‡Pi †Kvb †hŠMwU ÿvi? 82. --------- RvZxq c`v‡_©i A‡Uv Aw·‡Wkb cÖwZ‡iv‡a Gw›U-
Aw·‡W›U e¨eüZ nq?
K †mvwWqvg †K¬vivBW L cUvwmqvg nvB‡Wªv·vBW
M Kve©b WvB A·vBW N wg‡_b K wfUvwgb L Kv‡evn© vB‡WªU
70. ‡KvbwU †Uªm wgbv‡ij? M wjwcW N †cÖvwUb
K Na LK 83. MÖvg †b‡MwUf e¨vK‡Uwiqvi cÖwZ wbw®Œq f~wgKv cvjb K‡i
†KvbwU?
M S N Se
71. Lv`¨ msiÿK Kq cÖKvi? K wbwmb L bvUvgvBwmb
K 2 cÖKvi L 4 cÖKvi M mvewUwj N †UUªvmvBwKb¬
M 3 cKÖ vi N 6 cÖKvi 84. ‡KvbwU evdvi wn‡m‡e e¨eüZ nq?
72. im‡Mvjøv, wRjvcx msiÿ‡Y wPwbi KZ% `ªeY e¨envi Kiv K Sodium citrate L Layric acid
nq?
M Menthol N Vanilin
K 60-75% L 78-85% 85. Lv`¨ msiÿ‡Yi †Kvb c×wZ‡K †Kvì ‡÷wijvB‡Rkb e‡j?
M 65-70% N 80-85% K ‡ZRw¯Œq iwk¥ e¨env‡i L wKDwis
73. ‡KvbwU Kw… Îg Lv`¨ msiÿK? M †KŠUvRvZ KiY N ﮋxKiY
K ‡eb‡RvwqK GwmW L HCl 86. ‡KvbwU gwiPv‡ivax?
M NaCl `ªeY N mwilvi †Zj K mvaviY B¯úvZ L wb‡Kj
74. Lv‡`¨ †gvì RvZxq AbRy xe cÖwZ‡iv‡a †KvbwU e¨eüZ nq? M Kcvi N †gv‡bj †gUvj
K ‡eb‡Rv‡qU L †cÖvcv‡bv‡qU 87. 70% Avt Av`ª©Zvwewkó evqy‡Z Mg msiÿ‡Yi Kvw•ÿZ
Av`ª©Zv KZ?
M mi‡eU N bvB‡UªU
75. d‡ji im msiÿ‡Y †KvbwU e¨eüZ nq? K 14% L 9% M 5% N 23%
K ‡mvwWqvg A¨vwm‡UU L mvjdBU 88. Brace Drier wK?
M bvBUªvBU N BHA K cÖZ¨ÿ †mvjvi Wªvqvi L c‡ivÿ †mvjvi Wªvqvi
76. RxevYby vK wn‡m‡e KZ % B_vbj e¨eüZ nq? M K…wÎg Wªvqvi N hvwš¿K Wªvqvi
K 70-95% L 70-75% 89. weﮋxKZ… mwâ‡Z me‡P‡q †ewk †Kvb e¨vK‡Uwiqv †`Lv hvq?
M 80-95% N 85-95% K e¨vwmjvm L †Kvwjwmb
77. ¸o, ﮋ dj, gvQ, †jeyiim BZ¨vw` msiÿ‡Y †KvbwU M †Mvbv‡WvK°vm N †÷dvB‡jvK°vm
e¨eüZ nq? 90. weﮋxKZ… `y‡a †hme e¨vK‡Uwiqv cvIqv hvq-
K B_vBwjb L SO2 K E.coli L Micrococcus
M wbwmb N B_vBj di‡gU M Streptococcus N Bacillus
91. wd«R WªvBs ev Av`ª©Zv KZ% Gi Dc‡i _vK‡j eªvDwbs nq?
78. k³ cwbi, wmivc, mvjv`, †KK, †Rwj BZ¨vw` msiÿ‡Y
K 4% L 5%
e¨eüZ nq-
K SO2 L ‡mvwWqvg bvBUªvBU M 2% N 7%
M miweK GwmW N †eb‡RvwqK GwmW 92. Ò`¨v AvU© Ae A¨vcviUvBwRsÓ c×wZi aviYv †`b †K?
79. mvBUªvm RvZxq d‡j †Kvb ivmvqwbKwU e¨eüZ nq? K Ellion L Nicolas
K we‡bvwgj L SO2 M Durand N Mall
M wbwmb N _vqv‡ebWvRj 93. cvwbi †P‡q wU‡b Zvc KZ¸Y †ewk †e‡M cÖevwnZ nq?
80. wbwm‡bi †ÿ‡Î †KvbwU mwVK bq? K 220 ¸Y L 110 ¸Y
K welv³ bq M 128 ¸Y N 120 ¸Y
L Lactococcus lactis ‡÷ªBb †_‡K ˆZix 94. cv‡Îi Dcv`vb I cv‡Îi wfZ‡ii Lv‡`¨i g‡a¨ wewµqvi
d‡j mvaviYZ †Kvb M¨vm Drcbœ nq?
M Zvc mwnòz bq
K CO2 L O2
N ev‡R †d¬fvi ev Nªvb ˆZwi K‡i bv
M H2 N N2
81. ‡KvbwU Gw›Uev‡qvwUK bq?
95. K¨vwbs Kiv `ª‡e¨i m‡evË© g wb¤œ ZvcgvÎv KZ?
K bvUvgvBwmb L ‡UUªvmvBwKb¬
K 32C L 35C
|
M 40F N 32F K 1.63% L 3.50%
96. IwjI †iwRb †jKvi wK Øviv MwVZ? M 5.23% N 3.52%
K Kw… Îg †iwRb, WªvBs A‡qj, `ªveK 108. ‡Kvb cÖvYxi `‡y a Pwe© †ewk _v‡K?
L cÖvKw… ZK †iwRb, `ªveK K gvbly L gwnl
M cÖvKw… ZK †iwRb, Wvª Bs A‡qj, `ªveK M ‡fov N DU
N Kw… Îg †iwRb 109. ‡KvbwU Gw›U‡mwÞK wn‡m‡e KvR K‡i?
97. wfbvBj †K¬vivBW Gwm‡UU Av‡Q| †ewk ZvcgvÎvq cÖ‡mm K NaZnO2 L ZnO
mn¨Kvix bq- M MgO N MgCO3
K IwjI †iwRb †jKvi L wfbvBj †jKvi 110. ‡¯vª ‡Z †KvbwU me‡P‡q †ewk cwigv‡Y _v‡K?
M wd‡bvwjK Gbv‡gj N B‡cvw`ª †jKvi K cvwb L †÷wiK GwmW
98. ‡KŠUvRvZKiY c×wZ‡Z wPwb I je‡Yi `ªe‡Yi KZ % †hvM M KOH N wMømvwib
Kiv nq? 111. ‡KvbwU Bgvjk‡bi ¯’vwqZ¡ e„w× I Z¡K †Kvgj K‡i?
K 30-35% I 7-15% K ‡MvjvcRj L †Mvjvc †Zj
L 35-40% I 10-15% M wmUvBj A¨vj‡Kvnj N LwbR †Zj
M 40-50% I 8-20% 112. wmivwm‡bi cfÖ ve wK?
N 30-40% I 7-15% K wjcw÷‡K Zijfve m„wó K‡i
99. wiUwUs Gi ZvcgvÎv KZ? L KwVb fve mw„ ó K‡i
K 100C L 90-100C M eY©KviK
M 80-100C N 95-110C N iÄK c`v_© Qwo‡q †`q
100. Kjv †KŠUvRvZKi‡Y wmiv‡ci gvÎv KZ? 113. mvaviY gvbm¤úbœ wjcw÷‡K Aek¨B †KvbwU _vK‡e?
K 40% wPwb + .25% mvBwUªK GwmW K K¨v÷i ˆZj L wgw_Ib
L 30% wPwb + .125% mvBwUªK GwmW M †gvg N wmivwgb
M 30% wPwb + .25% mvBwUªK GwmW 114. ićKi D¾¡jZv ew„ ×i Rb¨ †KvbwU e¨eüZ nq?
N 40% wPwb K SiO2 L TiO2 M SnO2 N PbO2
115. B‡qvwmb wK?
101. MvRu i cÖwµqvRvZKi‡Y je‡Yi NbgvÎv KZ?
K 1.5% jeY + 2.5% wPwb L 2% jeY K iÄK L NbKviK
M 1.5% jeY + 5% wPwb N 2.5% jeY M gmY„ KviK N †gvg
102. Lv`¨ `ªe¨ †KŠUvRvZKi‡Y e¨eüZ wPwbi weï×Zvi cwigvY 116. ‡KvbwU KxUbvkK I wcÖRvi‡fwUf wn‡m‡e Kgÿ© g?
KZ? K AvdUvi †mf †jvkb L †g‡n`x
K 100% L 99% M †gvg N wMømvwib
M 98.5% N 99.5% 117. ‡Kvb ivmvqwb‡Ki Kvi‡Y †g‡n`x iÄK wn‡m‡e KvR K‡i?
103. AvPv‡ii wZ³ ¯v^ ` `~i Ki‡Z e¨eüZ nq? K mq‡jvb L †gq‡mvb
K GwmwUK GwmW L miweK GwmW M jq‡mvb N gq‡mvb
M mvBwUªK GwmW N GmKiweK GwmW 118. mvaviY Møvm wK¬bv‡i weDUw· B_vb‡ji cwigvY-
104. R¨v‡gi wU Gm Gm Kgc‡ÿ n‡e- K 3-6% L 0-15%
K 55% L 45% M 65% N 60% M bMY¨ cwigvY N 3-5%
105. As2S3 Gi Dci †KvbwUi †Kvqv¸‡jkb ÿgZv me‡P‡q 119. A¨v‡gvwbqvi †Kvb ˆewk‡ó¨i Rb¨ Møv‡mi D¾¡jZv mn‡RB wd‡i
Kg? Av‡m?
K NaCl L KCl K ev®úxfZ~ nIqvi cÖeYZv L ZijxfZ~ nIqv
M BaCl2 N AlCl3 M DØvqx nIqv N †KvbwUB bq
106. ‡UjKg cvDWv‡ii cÖavb Dcv`vb †Uj‡Ki ms‡KZ- 120. R¨všb’ †KvbwUi Dcv`vb?
K [H3Mg2(SiO3)4] L [H2Mg3(SiO3)4] K Møvm wK¬bvi L Uq‡jU wK¬bvi
M [H4Mg3(SiO3)4] N [H2Mg3(SiO)4]
107. Miæi `y‡a †cÖvwU‡bi kZKiv mshyw³- M ev_Uve wK¬bvi N †¯‹vDwis wKb¬ vi
121. ev_Uve wK¬bv‡i †mvwWqvg EDTA Gi cwigvY KZ?
|
K (1-5)% L (2-4)% 135. cÖvK…wZKfv‡e Lv`¨ msiÿ‡Yi †KŠkj †KvbwU?
M (2-6)% N (0.2-0.4)% K cvwb Øviv ‡aŠZKiY
122. ‡KvbwU ˆZixi Kvi‡Y Møvm ÿqcÖvß nq? L Lv`¨‡K ‡Lvjv Ae¯v’ q †i‡L †`Iqv
K NH3 L NaOH M Lv‡`¨ wKQz †gvì †hvM Kiv
M SiO2 N Na2SiO3
123. wf‡bMvi wK? N Lv‡`¨ Zvc cÖ‡qvM Kiv
K 5% CH3COOH L 5% CH3OOH 136. BHA Gi c~Y©iƒc †KvbwU?
M 10% CH3COOH N 4% CH3OOH
124. ‡KvbwU wf‡bMv‡ii cÖKvi‡f` bq? K Butahydrated hydorxyacetate
L Butahydrated hytdroxy anisolce
K mvBWvi wf‡bMvi L w¯úwiU wf‡bMvi M Butylated hydroxy acetate
M Av‡cj wf‡bMvi N gí wf‡bMvi N Buthlated hydroxy anisole
137. BHT Gi c~Y©iƒc ‡KvbwU?
125. Lv`¨ msiÿ‡Y wf‡bMv‡ii e¨envi- K Butahydrated hydroxy thaimine
K AvPvi L mvjvI M cwi®‹viK N me¸‡jvB L Butahydrated hydroxy toluene
126. Lv`¨ wbivcËv Kx? M Butylated hydroxy toluene
K weÁvbm¤§Z wKQz bxwZgvjv N Butylated hydroxy thaimine
138. NO2-, C6H5COO- cÖfw… Z †hŠM¸‡jv Lv‡`¨ e¨vK‡Uwiqv
L weÁvbm¤§Z wKQz ixwZbxwZ
C÷ I †gv‡ìi e„w× e¨nZ K‡i| †hŠM¸‡jv‡K Lv`¨ msiÿK
M wKQz wµqv‡KŠkj N wKQz mveavbZv
wn‡m‡e e¨envi Kiv nq| †hŠM¸‡jv‡K Kx ejv nq?
127. †KvbwU Zij Lv`¨e¯‘‡K †Rwj‡Z cwiYZ K‡i?
K Gw›UgvB‡µvweqvj G‡R›U L Gw›UAw·‡W›U
K †K‡ivwUb L wRjvwUb
M wK‡jwUs G‡R›U N wiwWDwms G‡R›U
M A¨vjewy gb N †Kwmb
139. gvsm I gvsmRvZ `ªe¨ msiÿ‡Y †KvbwUi wgkÖY e¨eüZ nq?
128. Lv`¨ m¤úwK©Z †Kvb welhwU eZ©gv‡b me‡P‡q ¸iæZ¡cY~ © GK
Av‡jvwPZ Bmy¨? K KNO3 I NaNO2 L KNO2 I NaNO2
K Lv`¨ Drcv`b L Lv`¨ evRviRvZKiY M KNO3 I KNO2 N NaNO3 I KNO2
140. gvs‡m Clostridium botulinum cÖwZ‡iv‡a bvB‡UªU Gi
M Lv`¨ MnÖ Y N Lv`¨ wbivcËv
Kx cwigvY `ªeY e¨eüZ nq?
129. Zij Lv`¨ e¯‡‘ K †Rwj‡Z iƒcvšÍ‡i e¨envi Kiv nq †KvbwU?
K 200ppm L 500ppm
K cvwb L weøwPs cvDWvi
M 300ppm N 400ppm
M RvB‡gR N A¨vMvi
141. Lv‡`¨i ˆZj ev Pwei© mv‡_ Kx cwigvY BHA I BHT
130. weÁv‡bi †Kvb kvLvwU Lv`¨ wbivcËvi mv‡_ mivmwi RwoZ?.
e¨eüZ nq?
K imvqb L c`v_©
K 0.1% L 0.01%
M MwYZ N Kw¤úDUvi cÖ‡KŠkj
M 0.02% N 0.2%
131. wcÖRvi‡fwUfm& Gi KvR †KvbwU?
142. wPwb‡Z †KvbwU Drcbœ nq?
K Lv`¨e¯‘i ¯v^ ` evov‡bv
K CH3OH L HCHO
L Lv`¨e¯‘ AvKlY©xq Kiv
M CH3CH2OH N CH3CHO
M Lv`¨e¯‘ msiÿY Kiv
143. †eb‡Rv‡qU RvZxq msiÿ‡Yi MÖnY‡hvM¨ e¨envi mxgv KZ?
N Lv`¨e¯‘‡K `yM©‡Üi nvZ †_‡K iÿv K 0.1% L 0.2%
132. wK‡jwUs G‡R›U †KvbwU? M 0.3% N 0.4%
K EDTA L BHT 144. gvsm RvZxq Lv‡`¨i cP‡bi Rb¨ `vqx †KvbwU?
M mi‡eU N A¨vmKiweK GwmW K Penicillium notatum
133. †KvbwU Wvqwiqv mw„ ó K‡i? L Pneomococcur bacteriasis
K ‡eªv‡gU L †µv‡gU M Clostridium botulinum
M ‡eb‡Rv‡qU N mvj‡dU N Spyrogyra
145. gvs‡mi cPb †iv‡a bvBUªvBU je‡Yi e¨envi gvÎv KZ?
134. K¨vÝvi mw„ ó‡Z f~wgKv iv‡L †KvbwU?
K BHA L BHT K 100ppm L 200ppm
M †mvwWqvg bvB‡UªU N †eb‡Rv‡qU M 300ppm N 400 ppm
|
146. FDA KZ mv‡j m‡ZR dj I mewR‡Z mvjdvB‡Ui e¨envi M Redrawn and wall ironed
wbwl× K‡i‡Q? N Drewn and Redrawn
159. †Rwj ˆZwii mgq `ªe‡Y Zvc cÖ‡e‡k evav m„wó K‡i †KvbwU?
K 1976 mv‡j L 1986 mv‡j
M 1985 mv‡j N 1975 mv‡j K Avwgl L kK©iv
147. †cÖvcvBwj‡bi MnÖ Y‡hvM¨ e¨envi gvÎv KZ? M †cKwUb N LwbR
K 500ppm L 600ppm 160. DbœZ we‡k¦ Lv`¨| e¯‡‘ Z e¨eüZ ivmvqwbK Dcv`vb I †gqv`
m¤ú‡K© aviYv †`Iqv nq †KvbwUi D‡Ïk¨?
M 700ppm N 800ppm
148. †mvwWqvg bvBUªvB‡Ui MÖnY‡hvM¨ e¨envi gvÎv KZ? K wmwjs L wiUwUs M eøvwÂs N K¨vwbs
K 100ppm L 110ppm 161. kvK-mewR, gvQ I gvsm kZKiv KZfvM NaCl †hvM Kiv
nq?
M 120ppm N 130ppm
149. pH Gi MvwYwZK gvb mivmwi †KvbwUi mv‡_ m¤úwK©Z? K 8-20% L 8-21% M 7-15% N 7-18%
162. GMRmwUs m¤ú~Y© n‡j †KvbwU Ki‡Z nq?
K H+ L OH-
M Na+ N CH3CH2COO- K wmwjs L wiUwUs M ‡j‡ewjs N
VvÛv
150. †KvbwU e¨env‡i dj I mewRi ¸bMZ gvb e„w× cvq? 163. ¸`v‡gi cÖZ¨vwkZ ZvcgvÎv KZ?
K nj‡y `i Myou v L gwi‡Pi ¸ov K 2-5C L 2-10C
M Av`v N js M 3-10C N 2-15C
151. wKDwis c×wZi ¯’vwqZ¡Kvj KZ? 164. Avbvi‡mi ¯vø Bm †cøBb K¨v‡b fwZ© Kivi mgq kZKiv KZ
K Qq gvm L wZb gvm gvÎvi wPwbi Mig `ªeY ‡hvM Kiv nq?
M GK eQi N `By eQi K 40% L 50% M 60% N 70%
165. wmj Kiv Avbvi‡mi K¨vb‡K KZ mgq a‡i cÖ‡mwms K‡i VvÛv
152. KMS ej‡Z Kx eyS?
Kiv nq?
KcUvwmqvg ‡gUv mvjdvBU LcUvwmqvg †gUvj mvjdvi
McUvwmqvg †gUvevB mvj‡dU N cUvwmqvg †gUvmvj‡dU K 19 1 wgwbU L 20 1 wgwbU
2 2
153. †KvbwU mvaviY AvPv‡ii cÖavb Dcv`vb?
M 211 wgwbU N 22 1 wgwbU
K NaCl I 3KCl L CaCl2 I HCHO 2 2
M CaCl2 I KCl N NaCl I CH3COOH 166. †KvbwU K¨vÝvi cÖwZ‡iv‡a f~wgKv iv‡L?
154. †KvbwU NaCl ev CH3COOH Gi mvnv‡h¨ msiÿY Kiv K KwP f~Æv L gUiïwU
nq? M KvVu vj N evuk‡Kvij
K `B L ïK‡bvv eoB 167. i³Pvc I i‡³i †Kv‡j÷ij Kgvq †KvbwU?
M AvPvi N Av‡Li im K meyR gUi ïwu U L evku ‡Kvij
155. †KvbwU ˆZwii ci †aŠZ Kivi cÖ‡qvRb †bB? M Avbvim N KwP f~Æv
K †WªvDb GÛ AvqiY d¨vb L WvDb GÛ AvqiY K¨vb 168. meyR gU‡i †UbWv‡ivwgUvi Gi wiwWs KZ?
M Uz wcm N wi‡WªvBb K¨vb K 110-120 L 100-110
156. Svj AvPvi ˆZwi‡Z d‡ji UKz ‡ivq jeY †gkv‡bvi mgq M 120-130 N 120-140
†KvbwUi ¸ou v †gkv‡bv nq? 169. wmj Kiv K¨vb †÷wijvB‡Rkb Kivi Rb¨ KZÿY ivL‡Z
K gwi‡Pi ¸ou v L njy‡`i ¸ou v n‡e?
M a‡b ¸ou v N Kv‡jvwRiv ¸ou v K 1 1 1 NÈv L 2 2 1 NÈv
2 2
157. j¨vKwUK GwmW e¨vK‡Uwiqv Drcv`b I eskwe¯vÍ ‡ii Rb¨
AvPv‡i kZKiv KZfvM jeY `ªeY cÖ‡qvRb? 331 4 41
2 2
K 4-6% L 2-10% M NÈv N NÈv
M 4-8% N 4-10%
158. 1964 mv‡j Av‡gwiKvq evwYwR¨Kfv‡e Avwe®‹…Z K¨vbwUi 170. AwaKvsk gv‡Q †gvU KwVb c`v‡_©i cwigvY KZ?
bvg Kx? K 24-35% L 14-20%
M 0.2-20% N 1-1.8%
K Drawn and wall ironed
L Drawn and ironed
|
171. K¨v‡bi †fZ‡ii evqy `~ixf~Z Kivi Rb¨ K¨v‡bi KZ Ask M A‡Uv †nbv N A¨vjKwbK iæU
dzUšÍ cvwb‡Z Wwz e‡q ivLv DwPr?
184. W‡jvgvB‡Ui ms‡KZ ‡KvbwU?
K 1 Ask L 1 Ask M 1 Ask N2 K CaCO3.KCO3 L CaCO3.K2SO4
4 32 3
M CaCO3.MgCO3 N CaCO3.Al2(SO4)3
Ask 185. U¨vj&K †KvbwU‡Z A`ªeYxq?
172. gv‡Q LwbR je‡Yi cwigvY KZ? K Gwm‡W L ÿv‡i
K 0.2-20% L 1-1.8% M A¨vj‡Kvn‡j N cvwb‡Z
M 14-20% N 24-35% 186. w÷qvwiK Gwm‡Wi mwVK ms‡KZ †KvbwU?
173. Lv`¨ wn‡m‡e gvQ DËg nIqvi KviY Kx? K C17H33COOH L C17H31COOH
K gv‡Q †cÖvwUb I Pwe©i cwigvb Kg M C17H35COOH N C17H34COOH
L gv‡Q chvß© cwigvY AvqiY we`¨gvb 187. †KvbwU cvwgwUK Gwm‡Wi ms‡KZ?
M gv‡Qi ‡cÖvwUb I Pwe© mn‡R nRg‡hvM¨ K C15H31COOH L C15H33COOH
M C17H35COOH N C15H34COOH
N gv‡Qi Pwe© DrKó… m¤ú„³ d¨vwU GwmW aviY K‡i 188. †KvbwU †Zj?
174. mvm‡cbm‡b KwVb c`v‡_©i e¨vm KZ Gi †ewk?
K 1mm L 1nm M 1m N 1pm K C15H32COOH L C15H31COOH
175. IqvUvi ev‡_ KvPu Rvi¸‡jv Kgc‡ÿ KZ Bw Mfxi cvwb‡Z
M C7H34COOH N C17H33OH
ivLv DwPr? 189. cvwgwUK GwmW‡K m¤ú³„ d¨vwU GwmW ejvi KviY Kx?
K 1-2 Bw L 2-3 Bw K C=C L CC
M 3-4 Bw& N 4-5 Bw M COOH N C-C
176. †Kvb ‡Rvov †Kvqv¸‡j‡›Ui FYvZ¥K Avav‡bi weiæ‡× gvb 190. †nvg‡gW †nqvi ‡Rj †Kv_vq msiwÿZ ivL‡Z nq?
mgvb? K I‡f‡b L AvBm ev‡_
K NaCl-Na2SO4 L NaCl-AlCl3 M wd«‡R N IqvUvi ev‡_
M Na2SO4-MgSO4 N AlCl3-Al2(SO4)3
177. ivB‡cwbs †Kb Kiv nq? 191. †Kvjv‡Rb Gi AvswkK nvB‡WªvjvBwmmG ˆZwi Kiv nq
†KvbwU?
K AYyRxe aŸsm Kivi Rb¨ L ¯v’ wqZ¡ evov‡bvi Rb¨ K ‡nqvi Rj L wRjvwUb
M wgóZv /pH Rvbvi Rb¨ N cPb †iv‡ai Rb¨ M †Kv‡jv‡Rb N †KvjvwUb
178. GwRs wK? 192. cwi®‹viK ˆZwii Rb¨ kZKiv KZfvM NaOH e¨envi Kiv
hvq?
K VvÛv ZvcgvÎvq †Kjvm ˆZwi nq
K 30% L 40%
L DcKix AYyRxe †gkv‡bv
M 50% N 60%
M AY~Rxe aŸsm Kiv N Pvwbs Kiv
193. B_vBb‡K B_vb¨v‡j iƒcvšÍ‡ii mgq Kx wgkÖY e¨envi Kiv
179. evUvi Pvb©vi wK‡mi ˆZwi?
nq?
K Kv‡u Vi L †jvnvi
K 8.10% H2SO4 Ges 2% HgSO4
M wcZ‡ji N cøvw÷‡Ki
L 20% H2SO4 Ges 1% AgSO4
180. gvL‡bi Mjbv¼ KZ?
M 10% H2SO4 Ges 2% AgSO4
K 25-28C L 28-31C
N 20% H2SO4 Ges 1% HgSO4
M 32-35C N 36-39C 194. B_vb¨vj‡K B_v‡bvwqK Gwm‡W iƒcvšÍ‡ii mgq cÖfveK
181. g¨vM‡bwmqvi ms‡KZ †KvbwU? wn‡m‡e †KvbwU e¨envi Kiv nq?
K MgO L Mg(OH)4 K Mn L Ni M Pd N Pt
M MgCO3 N MgSO4 195. Mø‡y KvR †_‡K B_vbj Drcv`b Dcw¯w’ Z‡Z N‡U?
182. †KvbwU mwVK ms‡KZ?
K RvB‡gR L Bbfvi‡UR
K Mg3Si4O10(OH)2 L Mg3Si2O5(OH)2
M Mg3SiO10(OH)3 N Mg2SiO10(OH)2 M A¨vwm‡Uve¨vKUi N bóK
183. MÜivR ˆZj cÖ¯‘Z Kivi mgq cÖ_‡g bvwi‡Kj †Z‡j Kx †hvM
Ki‡Z nq?
K †Mvjvc djz L †ebvi gj~
|
েসায়ি ২য় পত্র M –294C N –298C
অধ্যায় ০১: পরেরবশ েসায়ি 11.wjUvi-GU‡gvmwdqvi GK‡K R Gi gvb KZ?
K 0.820 L 0.0821
M 8.200 N 8.213
1. 27C ZvcgvÎvq O2 AYiy eM©g~j Mo eM©‡eM KZ? 12.27C ZvcgvÎvq GKwU Aw·‡Rb AYiy Mo MwZkw³ KZ?
K 461.62 ms–1 L 480.62 ms–1 K 6.20910–7erg L 6.20910–14 erg
M 3.10510–7J N 3.10510–14J
M 483.62 ms–1 N 490.62 ms–1
13.‡KvbwUi Kvi‡Y mó„ GwmW e„wó cwi‡e‡ki †Zgb †Kv‡bv ÿwZ
2. g~j MÖxb nvDR M¨vm †KvbwU?
K‡i bv?
K CO2 L CH4
K CO2 L SO2
M O3 N NO2
M SO3 N NO2
3. SATP †Z M¨v‡mi †mvjvi AvqZb KZ?
14.mgf‡ii CH4 I H2 †K kb~ ¨cv‡Î 25C G ivLv n‡jv,
K 22.4 L L 22.8 L AvswkK Pvc †gvU Pv‡ci fMœvsk n‡e-
M 24.4 L N 24.8 L K1 L2
29
4. I‡Rvb¯Íi ÿ‡qi Rb¨ †Kvb M¨vmwU `vqx?
K CH3FCl L CF2Cl2 M 8 N 16
9 17
M F2C–CHCl2 N CHFCl2
15.w¯’i ZvcgvÎvq r.m.s †e‡Mi mwVK µg †KvbwU?
5.Kv‡evm© vBwKK¬ †hŠM wb‡Pi †KvbwU?
K mvB‡K¬vweD‡Ub L bvB‡Uªv‡ebwRb K H2N2CO2 L N2H5CO2
M _vqvwdb N wdDivb M N2CO2H2 N CO2N2H2
6.wMÖb nvDR cÖfv‡e †Kvb M¨vmwUi fw~ gKv †ewk? 16.SATP †Z Pvc = ?
K N2 L CH4 K 1Nm–2 L 1.01 bar
M CO2 N CFC M 1 mm(Hg) N 1 torr
7.cvwb‡Z AYRy xe †e‡u P _vKvi Rb¨ (DO) Gi cwigvY- 17.SATP †Z †Kvb M¨v‡mi †gvjvi AvqZb KZ wjUvi?
K (2-3) ppm L (4-8) ppm K 22.4 L 24.789
M (6-15) ppm N (20-25) ppm M 42.2 N 74.4
8.cvwbi weï×Zv cwigv‡ci gvb`Û bq †KvbwU? 18.wek¦ e¨vs‡Ki g‡Z cvwb `l~ ‡Yi Rb¨ †Kvb wkí †ewk `vqx?
K SDS L DO K U¨vbvix wkí L †ccvi wkí
M BOD N pH M mvi wkí N †U·UvBj wkí
9.1970 mv‡ji 12 b‡f¤^i N~wY©So I R‡jv”Qv‡mi d‡j evsjv‡`k 19.25C ZvcgvÎvq 11.2L CO2 M¨v‡mi AYy msL¨v KZ?
nvwi‡qwQj K 2.761023wU L 2.761022wU
K 2 jÿ †jvK L 3 jÿ †jvK M 2.761021wU N 2.761020wU
M 4 jÿ †jvK N 5 jÿ †jvK M 168 mm N 350.6 mm
10.cigk~b¨ ZvcgvÎv KZ? 20.NH3, CO2, O2 I H2 Gi g‡a¨ e¨vc‡bi nv‡ii m¤úK©-
K –273C L –274C K rH2 rO2 rNH3 rCO2
L rH2 rNH3 rO2 rCO2
|
M rH2 rNH3 rCO2 rO2 M 6.0231022 N 3.01151022
N rCO2 rO2 rNH3 rH2
21.mgf‡ii CH4 I H2 †K k~b¨cv‡Î 25C G ivLv n‡jv| H2 29.cig kb~ ¨ ZvcgvÎv †KvbwU?
Gi AvswkK Pvc †gvU Pv‡ci fMœvsk n‡e-
K 0C L 273C
M 273K N –273C
30.R wK‡mi cwigvcK?
K1 L1
29 K ej L Pvc
M 8 N 16 M KvR N kw³
9 17
31.2.24L M¨v‡m (NTP †Z) KZwU CO2 AYy _v‡K?
22.STP †Z 2.5g bvB‡Uªv‡Rb M¨v‡mi AvqZb KZ wjUvi?
K 6.0231023 L 6.0231022
K 22.4 L 2.24 M 6.0231021 N 3.01151023
M 4.48 N 24.8
23.R Gi gvb SI GK‡K KZ? 32.2.016g H2 M¨vm †_‡K 1023wU AYy AcmviY Ki‡j KZwU
AYy Aewkó _v‡K?
K 8.314 L 1.987 K 6.0231022 L 5.0231023
M 0.0821 N 8.325 M 6.0231021 N 5.0231022
24.10.0mL 0.1M NaOH Gi `ªeY‡K 0.1M HCl `ªeY Øviv 33.NTP †Z GKwU Av`k© M¨v‡mi ms‡KvPbkxjZv ¸Yv¼ (Z) Gi
UvB‡Uªkb Kivi mgq 9.99mL HCl `ªeY †hvM Kivi ci gvb KZ?
0.02mL HCl `ªeY †hvM Kiv n‡j pH Gi AvbygvwbK cwieZ©b K 2.0 L 1.5
n‡e-
M 1.0 N 3.0
K 0.02 L 0.5 34.‡KvbwU Si c×wZ‡Z Pv‡ci GKK?
M 2.0 N 5.0 K atm L Nm–2
25.‡KvKv‡Kvjv, dv›Uv, ¯úªvBU BZ¨vw` †_‡K UK jv‡M KviY GwmW M cm-Hg N dyne/cm2
wn‡m‡e G‡Z eZ©gvb _v‡K- 35.wb‡¤œi †Kvb ZvcgvÎvq CO2 M¨vm Zij nqbv?
K HCl L bvBwUªK GwmW K 31.1C L 28.5C
M U¨vs N Kve©b WvBA·vBW M 32C N 30C
26.wb¤œwjwLZfv‡e wk‡íi M¨vmxq eR¨,© hv evqy `~l‡Yi Rb¨ `vqx| 36.16g O2 G cigvYyi msL¨v KZ?
K O2, SO2, CO2, N2, CFC K 6.0231023 L 3.01151023
L SO2, CO2, NO2, CFC
M O2, N2, CFC M 12.0461023 N 1.20461023
N N2, SO2, CO2
27.‡Kv‡bv ¯’v‡bi AvenvIqv I Rjevq‡y K wbqš¿Y K‡i †KvbwU? 37.0.28g N2 M¨v‡mi NTP †Z AvqZb KZ?
K 22.4 L L 0.224L
M 2.24L N 224 cm3
K ÷ªv‡Uvwùqvi Gi evqygÛj 38.NTP †Z 1.0L M¨v‡mi fi 0.09g M¨vmwU Kx?
L Uª‡cvwùqvi Gi evqgy Ûj K O2 L H2
M N2 N CO2
M Avq‡bvwùqvi Gi evqygÛj 39.‡KvbwU ¯^ZtùZ~ © cÖwµqv?
N †g‡mvwùqvi Gi evqygÛj
28.16g Aw·‡Rb G AYiy msL¨v KZ? K e¨vcb L wbtmiY
K 6.0231023 L 3.01151023 M †Kv‡bvwUB bq N DfqwUB
|
40.NTP †Z 1.0L M¨v‡mi fi 1.44g M¨vmwU Kx? A. X-ray B. UV C. -ray D. infra-red
K H2 L O2 Soln:C
49. †Kvb †jLwPÎwU w¯’i Pv‡c Pvj©‡mi m~‡Îi mv‡_ msMwZcY~ ©?
M N2 N CO2 V, L
V, L
41.4.0g CH4 Ges 24g O2 M¨v‡mi wgkÖ‡Y CH4 Gi †gvj V, L
fMœvsk KZ? V, L
A. T, K B. T, K C. T, K D. T, K
K 0.25 L 0.5 Soln:A, Pvj©m-Gi mÎ~ g‡Z, V T, m¤úK© mgvbycvwZK n‡j
†jLwPÎ gj~ we›`yMvgx nq| mZy ivs mwVK DËi option A|
M 0.75 N 0.33 50. 100C ZvcgvÎvq I 1 evqgy Ûjxq Pv‡c 1 wK‡jvMÖvg Rjxq ev‡®úi
42.1.0 †gvj M¨v‡mi ZvcgvÎv 1.0K ew„ × Ki‡j †h AvqZb KZ?
m¤úªmviYRwbZ KvR m¤úbœ nq Zvi bvg- A. 12 L B. 100 L C. 1200 L D. 1701 L
Soln:D, V = wRT = 1000×0.0821×373 = 1701 L
PM 1×18
K M¨v‡mi cÖmviv¼
51. †evëRg¨vb aªæe‡Ki GKK n‡jv-
L Av`k© M¨vm aªæeK (R) A. J/molecule B. J.s C. J/K D. g/cc
M ms‡KvPbkxjZv aªæeK (Z) Soln:A, †evjU&Rg¨vb aªæe‡Ki GKK n‡jv J/molecule
52. 300 K ZvcgvÎvq evZv‡mi N2 AYyi MwZ KZ?
N AvqZbRwbZ f¨vÛviIqvjm aªæeK (a) A. 450 m/s B. 516 m/s
43.wb‡Pi †Kvb †jLwPÎwU e‡qj mÎ~ ‡K mg_©b K‡i?
C. 400 m/s D. 600 m/s
Soln:B, C = 3RT 3×0.0821×300
M= 28×10–3 =516m/s
V L PV 53. 27C ZvcgvÎvq bvB‡Uªv‡Rb M¨v‡mi AYiy eM©gj~ Mo eM© †eM KZ?
K P A. 515.22 ms–1 B. 516.95 ms–1
C. 517.90 ms–1 D. 526.95 ms–1
1
P Soln:B, Avgiv Rvwb,
M logP logP C= 3RT 3 8.316 300 516.95 ms 1
M 28103
N
logV logV 54. wb‡gœi †jLwPÎmg‡~ n wbw`©ó ZvcgvÎvq GKwU wbw`©ó f‡ii Av`k©
44.‡Kvb ai‡bi `~lK cvwb‡Z `ªexfZ~ Aw·‡Rb (DO) Gi cwigvY M¨v‡mi AvqZ‡bi mv‡_ Gi Pv‡ci m¤úK© †`Lv‡bv n‡q‡Q| †Kvb
†jLwPÎwU Aï×?
n«vm K‡i? A. P
V
K A‰Re `~lK L ˆRe `l~ K B. p
M †ZRw¯Œq `l~ K N KYvRvZxq `l~ K 1/V
45.Dw™`¢ KZ©…K CO2 †kvlY K‡i wewµqvi gva¨‡g N‡U? C. PV D. PV
K mv‡jvKms‡kølY L Awf¯eª Y PV
Soln:D, w¯’i ZvcgvÎvq pv-Gi gvb memgq aªæe, ZvB A‡ÿi
M cwi‡kvlY N k¦mb wewµqv mgvšÍivj †iLv cvIqv hv‡e|
46.`By wU M¨v‡mi Nb‡Z¡i Abcy vZ 1t2 Ges Zv‡`i ZvcgvÎvi 55. wb‡gœi †Kvb M¨vmwU Av`k© M¨v‡mi ag© †_‡K me‡P‡q †ekx weP¨y Z?
AbycvZ 2t1 M¨vm `yBwUi Pv‡ci AbycvZ-
A. HCl B. He C. CH4 D. N2
K 1t1 L 1t2 Soln:A, Avgiv Rvwb, PV = nRT ev PV = m RT
M
mZy ivs, †`Lv hv‡”Q †h M¨v‡mi AvYweK fi †ewk †m M¨vm Av`k©
M 2t1 N 4t1 M¨v‡mi ag© n‡Z †ewk wePz¨wZ †`q| GLv‡b HCl Gi AvYweK fi me‡P‡q
47.wb‡Pi wewµqvq Abey Üx A¤ø-ÿviK hMy j †KvbwU? †ewk| ZvB DËi n‡e HCl|
+Cl– 56. 13 C ZvcgvÎvq wbw`©ó f‡ii GKwU Av`k© M¨v‡mi AvqZb w¯’i
HCl + NH3 NH Pv‡c wظY Kiv nj| GB Ae¯’vq M¨vmwUi ZvcgvÎv KZ n‡e? (08–09)
4
K HCl Ges NH L NH3 Ges Cl– A. 7.5C B. 299C C. 13C D. 26C
4
Soln:B, cwieZ©xZ ZvcgvÎv,
M HCl Ges Cl– N HCl Ges NH3 T2 = (13+273) 2 = 572K = 299C Ans.
48. wb‡¤œi wewKiY¸‰jvi g‡a¨ †KvbwUi Zi½‰`N©¨ me‡P‡q Kg? 57. GKB ZvcgvÎvq H2 I O2 M¨v‡mi r.m.s †e‡Mi Abcy vZ n‡”Q-
(08–09)
|
A. 1/8 B. 1 C. 4 D. 8 63. 27C ZvcgvÎvq 1.0 atm Pv‡c 8.2 L AvqZ‡bi †Kvb M¨v‡mi fi
4
6.0 g | M¨vmwUi Av‡cwÿK fi KZ?
Soln:C, H2 I O2 M¨v‡mi r.m.s Abcy vZ,
A. 44 B. 18 C. 28 D. 16
= O2 Gi AvYweK fi = 32 Soln:B, PV = nRT
H2 Gi AvYweK fi 2 = 4 Ans.
n = PV 18.2 0.333 mol
58. 17C ZvcgvÎvq 2 atm Pv‡c 5 litre AvqZ‡bi GKwU M¨v‡mi RT 0.082 300
IRb 3 g| M¨vmwUi AvYweK IRb KZ? (07–08) n = m 0.333 = 6 M = 18 Ans.
Mm
A. 7.14 B. 26.13
64. GK A¨vU‡gvwùqvi Pv‡c I wbw`©ó ZvcgvÎvq GKwU wbw`©ó AvqZ‡bi
C. 32.14 D. 16.34
cv‡Î 4 g wnwjqvg , 14 g bvB‡Uªv‡Rb Ges 16 g Aw·‡Rb Ave× Av‡Q|
Soln:A, PV = nRT ev PV = W RT
†KvbwUi AvswkK Pvc m‡e©v”P? (02–03)
M
A. bvB‡Uªv‡Rb B. Aw·‡Rb
M= WRT 3 0.082 290
PV 25 7.14 C. wnwjqvg D. mK‡ji AvswkK Pvc mgvb
59. Kve©Y, bvB‡Uªv‡Rb I Aw·‡R‡bi cvigvYweK IRb h_vµ‡g 12, 14 Soln:C, GK †gvj wnwjqvg = 4g He
I 16| wb‡Pi M¨vm‡Rvo¸‡jvi g‡a¨ †KvbwUi e¨vcb nvi mgvb? (07– A‡a©K †gvj bvB‡Uªv‡Rb = 14g N2
A‡a©K †gvj Aw·‡Rb = 16g O2
08) †h‡nZz wnwjqv‡gi †gvj msL¨v me‡P‡q †ewk| ZvB wnwjqvg-Gi
A. CO2 and NO2 B. CO2 and N2O AvswkK Pvc m‡e©v”P|
C. CO2 and CO D. N2O and NO2
Soln:B, A. CO2 Gi AvYweK fi = 44, NO2 Gi AvYweK fi = 46 65. wZb AvqZ‡bi bvB‡Uªv‡Rb Ges `yB AvqZ‡bi †K¬vwi‡bi wgkÖ‡Yi
cY~ ©Pvc 1 G¨vU‡gvmwdqvi (760 wg.wg.)| H wgkÖ‡Y bvB‡Uªv‡Rb I †K¬vwib
B. CO2 Gi AvYweK fi = 44, N2O Gi AvYweK fi = 44 Gi AvswkK Pvc KZ? (99–00)
B. CO2 Gi AvYweK fi = 44, CO Gi AvYweK fi = 28 A. 400 mm and 360 mm B. 500 mm and 260 mm
B. N2O Gi AvYweK fi = 44, NO2 Gi AvYweK fi = 46 C. 456 mm and 304 mm D. 350 mm and 410 mm
CO2 I N2O Gi e¨vcb nvi mgvb| Soln:C, †h‡nZz wZb AvqZb N2 Ges `By AvqZb Cl2 wgkª‡Yi
cY~ ©Pvc| A¨vU‡gvmwdqvi (760 mm)| H wgkª‡Y N2 I Cl2 Gi AvswkK
60. Pvc w¯’i †i‡L GKwU M¨v‡mi (AvqZb 1000 cm3) ZvcgvÎv A‡a©K Pvc nj 456 mm Ges 304 mm. Ans. C
Kiv nj| cwiewZ©Z Ae¯’vq Dnvi AvqZb KZ n‡e? (06–07)
A. 2000 cm3 B. 500 cm3 66. wb‡æi †Kvb&wU Na+ Gi AvqwbK e¨vmva© (nm)?
C. 1000 cm3 D. 1500 cm3
A. 0.98 B. 0.098
Soln:B, cwieZ©xZ AvqZb, V2 = V1 1000 2000cm3 . C. 0.0098 D. 0.00098
0.5 0.5
Soln:B
61. GKB ZvcgvÎvq GKB AvqZ‡bi cÖ_g cv‡Î 1 mol N2 Ges wØZxq cv‡Î 67. KNO3 wb‡gœi †Kvb †kªYxi †Kjvm MVb K‡i?
A. A‡_©viw¤^K B. †n·v‡Mvbvj C. NbK D. g‡bvwK¬wbK
1 mol CO2 ivLv n‡jv| wb‡gœi †Kvb& Dw³wU mwVK bq? Soln:A, KNO3 A‡_©viw¤^K †kªYxi †Kjvm MVb K‡i|
†Kjv‡mi †kªYxwefvM: †Kjvm R¨vwgwZK x, y, z Aÿ eivei GKK
A. 1g cv‡Î Pvc wbgœZi B. 1g cv‡Î N2 AYyi MwZ D”PZi
`i~ Z¡‡K h_vµ‡g a, b, c Øviv Ges Aÿ¸‡jvi cvi¯úvwiK †Kvb¸‡jv‡K
C. Dfq cv‡Î AYyi msL¨v mgvb
, , Øviv cKÖ vk K‡i cÖK…wZ‡Z cvÖ ß †Kjvm¸‡jv‡K 1848 mv‡j weÁvbx
D. Dfq cv‡Î AYymg‡~ ni Mo MwZkw³ mgvb eªv‡fBR wbgœiƒ‡c mvZwU g~j †kªYx‡Z web¨¯Í K‡ibÑ
Soln:A, 1 mol N2 = 28 gN2, 1 mol CO2 = 44g CO2
†h M¨v‡mi AvYweK fi hZ Kg Zvi Abymg~‡ni MwZ‡eM ZZ †ewk
nq| †h‡nZz 1g cv‡Î 1 mol N2 Ges 2q cv‡Î 1 mol CO2 M¨vm Av‡Q, 1. wKDweK/NbK/AvB‡mv‡gwUªK NaCl, WvqgÛ, avZzmg~n-†hgb Cu, Ag
mZy ivs 1g cv‡Î N2 AYiy MwZ wbgœZi| mZy ivs DËi n‡e A|
2. †UUvª ‡Mvbvj †k¦ZwUb (SnO2), TiO2, SnCl2
62. C2H5OH 3O2 2CO2 3H2O wewµqv m¤^‡Ü wb‡Pi †Kvb&
Dw³wU fjz ? 3. A‡_©viw¤^K KNO3, BaSO4, iw¤^Kmvjdvi
A. C- Gi RviY msL¨v n«vm cvq 4. g‡bvwK¬wbK Na2SO4, 10H2O, g‡bvwK¬wbK(S8) wRcmvg
B. H- Gi RviY msL¨v AcwiewZ©Z _v‡K 5. UªvBwK¬wbK K2Cr2O7, H3BO3, CuSO4.5H2O
C. O-Gi RviY msL¨v n«vm cvq 6. i¤^‡nWªvj K¨vjmvBU(CaCO3), NaNO3 eid
D. wewµqvq O2 weRvwiZ nq
Soln:A, C2H5OH 3O2 2CO2 3H2O wewµqvwU‡ZÑ 7. †n·v‡Mvbvj MÖvdvBU, avZmz g~n, †KvqvU©R
i. H Gi Rvib msL¨v AcwiewZ©Z _v‡K
68. wb‡gœi †KvbwU mwVK bq?
ii. O2 weRvwiZ nq A. ev®úxqfeb †h †Kvb ZvcgvÎvq N‡U _v‡K
iii. O Gi Rvib msL¨v n«vm cvq B. Pvc cwieZ©‡bi mv‡_ mv‡_ GKwU Zi‡ji ùzUbvsK cwieZ©b nq
C. GKB Dcv`vb wewkó e¯‘i f‡ii wewfbœZvi Rb¨ myßZvc wewfbœ nq
iv. Kve©b RvwiZ nq D. hLb eid, cvwb Ges Rjxq ev®ú mnve¯’vb K‡i, ZLb GKwU
v. Kve©‡bi Rvib msL¨v e„w× cvq| Ans. A mgmZ¡ `kv jvf K‡i
|
Soln:[D] A, B, C mwVK| D mwVK bq| KviY, hLb eid, cvwb I C. AvB‡mv‡Uvc D. AvB‡mv‡Uvb
Rjxq ev®ú mnve¯’vb K‡i, ZLb Zv‡K ˆÎawe›`y e‡j|
69. Zij ùwUK m¤ú‡K© wb‡gœi †KvbwU mwVK bq? Soln:C, AvB‡mv‡Uvc: †Kvb †gŠ‡ji GKvwaK cigvYy hv‡`i
A. ˆRe †hvM cvigvYweK msL¨v GKB wKš‘ fi msL¨v wfbœ Zv‡`i‡K ci¯ú‡ii
B. AvYweK MV‡bi `yB cÖv‡šÍ †cvjvi MÖæc _v‡K
C. Av‡jvK ag© cÖ`k©b K‡i AvB‡mv‡Uvc e‡j| †hgb: nvB‡Wªv‡R‡bi wZbwU AvB‡mv‡Uvc nj: 1 H =
D. ZvcgvÎv ms‡e`K wnmv‡e KvR K‡i 1
Soln:B, Zij ùwUK m¤ú‡K© cÖ‡kœ D‡jøwLZ A, C I D †Z †`qv
e³e¨¸wj mwVK| B †Z D‡jøwLZ e³e¨ mwVK bq| KviY, AvbweK MV‡bi †cvÖ wUqvg, 2 H = wWD‡Uwiqvg Ges 3 H = wUwUªqvg|
`By cÖv‡šÍ †cvjvi MÖæc bq, GKcÖv‡šÍ †cvjvi MÖæc _v‡K| 1 1
70. GKwU ˆRe †hŠ‡Mi 5.17 mg †K `nb Ki‡j 10.32 mg Kve©b WvB
AvB‡mvevi: †hme cigvYyi fi msL¨v ev wbDwK¬qb msL¨v (†cÖvwUb
A·vBW Ges 4.23 mg cvwb Drcbœ nq| 100C ZvcgvÎv I 760 mm msL¨v I wbDUª‡bi wgwjZ msL¨v) GKB wKš‘ cvigvYweK msL¨v wfbœ
(Hg) ZvcgvÎvq 0.156 g †hŠM 53ml AvqZb `Lj K‡i| †hŠMwUi
AvYweK ms‡KZ wb‡gœi †KvbwU? Zv‡`i‡K ci¯ú‡ii AvB‡mvevi e‡j| †hgb: 12572Te Ges 127 I
53
ci¯ú‡ii AvB‡mvevi|
AvB‡mvUb: †hme cigvYyi wbDUªb msL¨v mgvb wKš‘ cvigvYweK
msL¨v wfbœ Zv‡`i ci¯ú‡ii AvB‡mvUb e‡j| †hgb: 14 C Ges 16 O
6 8
A. C2H4O B. C8H16O4 C. C6H12O3 D. C4H8O2 ci¯ú‡ii AvB‡mv‡Uvb|
Soln:D, P1V1 P2V2
AvB‡mvgvi: GKB cÖRvwZi `wy U wbDwK¬qvm hw` `ywU wfbœ kw³ Ae¯’vq
T1 T2
_v‡K Ges Kgc‡ÿ Zv‡`i GKwU hw` ÿY¯’vqx nq Zvn‡j Zv‡`i‡K ejv
760 53103 nq AvB‡mvgvi|
373 ; V2 = 0.038L
GLb, 0.381 0.156 gm 74. GKB ZvcgvÎv I Pv‡c †Kvb cv‡Îi GKB wQ`ªc‡_ GKwU AÁvZ
M¨vm I †K¬vwi‡bi c_„ Kfv‡e wbtmi‡Yi nvi h_vµ‡g 6 : 5| †K¬vwi‡bi
1 L 0.156 gm 22.4 L 0.156 22.4 gm NbZ¡ 36 n‡j AÁvZ M¨v‡mi NbZ¡ wb‡gœi †KvbwU?
A. 40 B. 25 C. 50 D. 20
0.038 0.038 Soln:B, MÖvnv‡gi e¨vcbm~Î g‡Z, r1 d2
r1 d1
= 91.957 gm 96 gm, hv †Kej C4H8O2 Gi Rb¨ cÖ‡hvR¨|
Ans. C4H8O2 6 36 r1 6
5 d1 r2 5
71. Pvc, Zvc I AvqZb msµvšÍ †Kvb mÎ~ wU mwVK bq?
A. V = V0 1 B. P = P0 1
273 273
36 36 11 d1 = 25 Ans.
C. PV = M RT 25 d1 25 d1
D. PV = nRT
m 75. w¯’i ZvcgvÎvq †Kvb M¨v‡mi Pvc Ges AvqZ‡bi cwieZ©b wb‡gœi
Soln:C, Pvc, Zvc I AvqZb msµvšÍ A, B, D mÎ~ ¸wj mwVK, wKš‘ †KvbwU?
C mwVK bq Gi ï× iƒc- PV = m RT Ans. A. AvB‡mv_vigvj B. AvB‡mve¨vwiK
M C. AvB‡mvµwbK D. A¨vWvqv‡ewUK
72. Av`k© I ev¯Íe M¨vm msµvšÍ wb‡gœi †Kvb Z_¨wU fzj? Soln:A, w¯’i ZvcgvÎvq †Kvb M¨v‡mi Pvc Ges AvqZb Gi cwieZ©b
A. N2, O2 – Av`k© M¨vm n‡”Q AvB‡mv _vigvj|
B. H2, CO2 – ev¯Íe M¨vm
C. PV = nRT mgxKiYwU ev¯Íe M¨vm c‡y ivcwy i AbymiY K‡i w¯’i ZvcgvÎvq wbw`©ó cwigvb M¨v‡mi Dci wewfbœ cwigvb Pvc
D. PV = nRT mgxKiYwU ev¯Íe M¨vm c‡y ivcywi Abmy iY K‡i bv c‡Ö qvM K‡i M¨vmwUi †h AvqZb cvIqv hv‡e †m¸‡jv w`‡q †jLwPÎ A¼b
Soln:A, KviY Av`k© M¨vm ej‡Z †Kvb M¨vm GLbI Avwe®‹Z„ nqwb| Ki‡j, †jLwP‡Î cÖ`wk©Z eµ †iLvmgn~ GK GKwU wbw`©ó ZvcgvÎvq Pvc
N2, O2 Av`k© M¨v‡mi KvQvKwQ| wKš‘ Av`k© M¨vm bq| B, C I D mwVK| I AvqZ‡bi m¤úK© wb‡`©k K‡i| ZvB Giv mgZvcxq †iLv ev AvB‡mv_vg©
ev¯Íe M¨vm: ev¯Í‡e †h M¨vm cvIqv hvq Zv‡`i ev¯Íe M¨vm e‡j| bv‡g cwiwPZ| myZivs DËi A|
ev¯Íe M¨vm mKj ZvcgvÎv I Pv‡c PV = nRT mgxKiY †g‡b P‡j bv| 76. cv`v‡_©i †fŠZ ag© m¤ú‡K© wb‡gœi †KvbwU mwVK bq?
Z‡e wbgœ Pv‡c †hgb 1 atm ev wb‡P Ges D”P ZvcgvÎvq ev¯Íe M¨vmmg~n A. M¨v‡mi AvšÍtAvYweK AvKl©Y m‡e©v”P I ¯’vbvšÍi MwZ me©wbgœ
†gvUvgwy U Av`k© M¨v‡mi b¨vq AvPiY K‡i| wKš‘ D”P Pvc I wbgœ ZvcgvÎvq B. KwVb c`v_© Pv‡c msKywPZ nq bv
Av`k© AvPib †_‡K ev¯Íe M¨v‡mi h‡_ó wePz¨wZ N‡U| C. Zij c`v‡_©i NbZ¡ KwVb †_‡K Kg
Av`k© M¨vm: †h M¨vm me ZvcgvÎv I Pv‡c M¨vm m~Îmg~n h_v e‡qj, D. M¨vmxq cv`v_© cv·K cY~ © K‡i _v‡K
Pvj©m Ges A¨v‡fvM¨v‡Wªv m~Î c‡y ivcywi †g‡b P‡i Zv‡K Av`k© M¨vm e‡j| Soln:A, KviY, M¨v‡mi AvšÍtAvYweK AvKl©Y mewbgœ Ges ¯’vbvšÍi
Av`k© M¨vm mKj ZvcgvÎv I Pv‡c PV = nRT †g‡b P‡j| w¯’i MwZ m‡e©v”P| B, C, D mwVK|
ZvcgvÎvq Av`k© M¨v‡mi Af¨šÍixY kw³ Gi AvqZ‡bi Dci wbf©ikxj 77. wb‡gœi †KvbwU nvB‡Wªv‡R‡bi GKwU cigvYiy fi (g)?
bq| A. 1.67 10–25 B. 1.67 10–24
73. †h cigvYyi wbDwK¬qv‡mi †cÖvUb msL¨v mgvb wKš‘ fi msL¨v wfbœ, C. 1.67 10–22 D. 1.67 10–23
Zvnv wb‡gœi †KvbwU- Soln:B, nvB‡Wªv‡R‡bi GKwU cigvYiy fi = 1.6710–24 gm
A. AvB‡mvevi B. AvB‡mvgvi 6.021023 wU cigvYiy fi = 2.016 gm
|
1 wU cigvYiy fi = 2.016 gm 1.67 1024 gm n= PV 11 0.04 mol Ans.
6.02 1023 RT 0.0821 300
78. wb‡gœi †KvbwU Pvj©m-Gi mÎ~ ?
A. V 1 hLb n & T aªæeK B. V T hLb n & P aªæeK 84. eZ©gv‡b †Kvb bxwZ cÖ‡qvM K‡i evwYwR¨K wfwˇZ Zij evqy cÖ¯‘Z
Kiv nq?
p
C. V n hLb T & P aªæeK D. V T hLb V aªæeK A. †nbixi c×wZ B. GgvMvif c×wZ
Soln:B, Pvj©m Gi mÎ~ : w¯’i Pv‡c wbw`©ó f‡ii M¨v‡mi AvqZb C. Ryj-_gmb bxwZ D. †KvbwUB bq
ZvcgvÎvi mgvbycvwZK| V T (n, P aªæeK) Soln:C,
85. w¯’i ZvcgvÎv Ges 760 wg.wg. Pv‡c Kve©bWvB A·vB‡Wi NbZ¡ 22|
79. wb‡gœi †Kvb c`v_©wU KwVb, Zij, M¨vm wZb Ae¯’vq cvIqv hvq? ZvcgvÎv w¯’i †i‡L NbZ¡ wظY Ki‡Z n‡j wK cwigvY Pvc cÖ‡qvM Ki‡Z n‡e?
A. Kc©iy B. †dbj C. cvi` D. cvwb
Soln:D, cvwb KwVb, Zij, M¨vm 3 Ae¯’vqB cvIqv hvq| A. 750 wg.wg. B. 1520 wg.wg. C. 3040 wg.wg. D. 380 wg.wg.
80. `yBwU M¨v‡mi NbZ¡ d1 I d2 Øviv Ges wWwdDk‡bi ev e¨vc‡bi nvi Soln:B GLv‡b,
r1 I r2 Øviv cÖKvk Kiv n‡j wb‡gœi †KvbwU mZ¨ bq?
Pvc, P1 = 760 mm
k k NbZ¡, D1 = D
A. r1 = B. r2 = NbZ¡, D2 = 2D
Pvc, P2 = ?
d1 d2
C. r1 d2 D. r1 = r2 d1 Avgiv Rvwb, D1 D2 P2 = P1D 2
r2 d1 d2 P1 P2 D1
Soln:D, MÖvnv‡gi M¨vm e¨vcb m~Î nj-w¯’i ZvcgvÎv I Pv‡c †Kvb = 760 2D P2 = 1520 mm
D
M¨v‡mi e¨vc‡bi nvi D³ M¨v‡mi Nb‡Z¡i eM©g‡~ ji e¨¯ÍvbycvwZK|
A_©vr r 1 r = k 1 86. wb‡giœ †Kvb M¨v‡mi e¨vc‡bi nvi †ekx?
dd
A. N2 = 14 2 = 28 B. CO2 = 12 + 16 2 = 44
AZGe, `wy U M¨vm d1, d2 Nb‡Z¡i I Zv‡`i e¨vc‡bi nvi h_vµ‡g, D. H2 = 1 2 = 2
r1 I r2 n‡j, r1 = k 1 r2 = k 1 C. O2 = 16 2 = 32
Soln:D,
d1 d2
87. fzj m¤úK© †KvbwU?
r1 d2 r1 r2 d2 A. PV = nRT B. d= MP
r1 d1 d1 RT
AZGe A, B, C mZ¨| mZy ivs DËi n‡e D| C. PV = MRT 2
D. PV = NKT
81. A¨v‡fvM¨v‡Wªv msL¨vi wb‡gœi †KvbwU mwVK gvb?
3
A. 6.02 10–23 B. 1.66 10–24
Soln:C, M¨v‡mi mgš^q m~Î n‡jv, PV = nRT
C. 6.02 1023
D. 22.4 W W PM = dRT
M V
Soln:C, A¨v‡fvM¨v‡Wªv gvb = 6.023 1023 Ans. PV = RT PM = RT
82. wekªvgKv‡j GK e¨w³ 25C ZvcgvÎv I 100 kPa Pv‡c GK N›Uvq d = PM Ges M¨v‡mi Pvc, AvqZb Gi mv‡_ †evëRg¨vb
14 L Aw·‡Rb MÖnY K‡i| e¨w³wU KZ †gvj Aw·‡Rb MÖnY K‡i? RT
A.0.57 mol B. 0.44 mol C. 1.6 mol D. 5 mol aªæe‡Ki m¤úK©, 2 NKT
PV = 3
Soln:A, GLv‡b Pvc, P = 100 kPa = 100000 Pa
= 0.9869 atm 88. GKwU M¨vm‡K msKzwPZ K‡i nVvr m¤cÖmviY Ki‡j Kx N‡U?
AvqZb, V = 14 L A. Pressure of gas is increased
ZvcgvÎv, T = 25C = 298 K B. Temperature of gas is increased
†gvjvi M¨vm aªæeK, R = 0.0821 L atm mol–1 K–1
Avgiv Rvwb, PV = nRT C. Temperature of gas is decreased
D. None
PV 0.986914 Soln:C, msKzwPZ Ae¯’vq M¨v‡mi Abymg~‡ni g‡a¨ Zxeª AvšÍ:KYv
RT 0.0821 298
n= 0.57 mol Ans. AvKl©Y kw³ weivR K‡i| m¤cÖmvi‡bi mgq Abymg~n ci¯úi †_‡K `‡~ i
83. 27C ZvcgvÎvq I 1.0 atm evqy Pv‡c 1.0 L †ejy‡b wnwjqvg †gvj m‡i †h‡Z _v‡K e‡j G AvšÍiKYv AvKl©‡Yi wecix‡Z Zv‡K KvR Ki‡Z
msL¨v wbY©q Ki| nq| G Kv‡Ri Rb¨ †h kw³ cÖ‡qvRb nq Zv M¨v‡mi †fZi †_‡K †kvwlZ
A. 0.05 B. 0.04 C. 0.06 D. 0.03 nq| GRb¨ Ryj-_gmb cÖfv‡e M¨v‡mi ZvcgvÎv n«vm cvq|
Soln:B, GLv‡b Pvc, P = 1 atm 89. bx‡Pi¸‡jv n‡Z Abv`ª© †Kjvm †ei Ki|
AvqZb, V = 1 L A. cUvm Gjvg B. Meøy vi jeY
ZvcgvÎv, T = 27C = 300 K C. mvaviY jeY D. Bcmg jeY
†gvjvi M¨vm aªæeK, R = 0.0821 L atm mol–1 K–1
Avgiv Rvwb, PV = nRT Soln:C
90. SI GK‡K cÖgvY Pv‡ci gvb KZ?
A. 760 mm (Hg) B.1.01325 105 Nm–2
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Chemistry 1st & 2nd
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