Chemistry 1st & 2nd

| C. 1 atm D. 101.325 KPa Soln :B 91. mvaviY Ae¯’vq nvB‡Wªv‡Rb M¨vm ZijxKi‡Yi †ÿ‡Î Ryj-_gmb cÖfve cÖ‡hvR¨ bq KviYA. Gi Drµg ZvcgvÎv GLbI wbY©xZ nq wb B. Gi msKU ZvcgvÎv Lye †ewk C. Gi Drµg ZvcgvÎvi gvb Lye Kg D. GwU GKwU ¯’vqx M¨vm Soln :C, H2 Gi Drµg ZvcgvÎvi gvb Lye Kg| 92. K¨vjix †¯‹‡j †gvjvi M¨vm aªæeK R Gi gvb KZ? A. 0.082 Cal mol–1 K–1 B. 8.316 Cal mol–1 K–1 C. 1.987 Cal mol–1 K–1 D. 1.987 K Cal mol–1 K–1 Soln :C 1. wjUvi evqygÛj Pvc GK‡K, R = 0.082 L.atm.K–1 mol–1 2. Gm, AvB (S.I.) GK‡K, R = 8.314 J K–1 mol–1 3. K¨vjwi (calorie) GK‡K, R = 1.987 cal K–1 93. e‡q‡ji m~‡Îi †ÿ‡Î †KvbwU mZ¨? A. V constant B. P constant C. T constant D. P and V constant Soln :C, e‡q‡ji m~‡Îi †ÿ‡Î, , T constant. 94. †Kvb GKwU Av`k© M¨vm aªæe PvcgvÎvq 30C ZvcgvÎv †_‡K 60C ZvcgvÎvq DËß Ki‡j M¨vmxq c`v‡_©i cwiewZ©Z AvqZb MYbv Kivi Rb¨ wb‡gœi †Kvb fMœvsk w`‡q ¸b Ki‡Z n‡e? A. B. C. D. Soln :D, †Kvb GKwU Av`k© M¨vm aªæe PvcgvÎvq 30C ZvcgvÎv †_‡K 60C ZvcgvÎvq DËß Ki‡j M¨vmxq c`v‡_©i cwiewZ©Z AvqZb MYbv Kivi Rb¨ Øviv ¸Y Ki‡Z n‡e| 95. wb‡Pi †Kvb c`v‡_©i Rb¨ GKB AvqZ‡bi cv‡Î GKB ZvcgvÎvq Pvc m‡e©v”P n‡e? A. 28g N2 B. 4g H2 C. 17g NH3 D. 4g He Soln :B, G‡ÿ‡Î 4g nvB‡Wªv‡R‡bi Rb¨ GKB AvqZ‡bi cv‡Î GKB ZvcgvÎvq Pvc m‡e©v”P n‡e| KviY, 28g N2 = 1 mol N2 4g H2 = 2 mol H2 17g NH3 = 1 mol NH3 4g He = 1 mol He 96. 127C DòZvi gvb cig †¯‹‡j| A. 400K B. 127K C. 273K D. 146K E. 297K Soln :A 97. 0.95 atm Pv‡c 25°C ZvcgvÎvq GKwU M¨v‡mi AvqZb 0.38 l n‡j D³ ZvcgvÎvq 1.0 atm Pv‡c M¨vmwUi AvqZbA. 0.461 l B. 0.261 l C. 0.561 l D. 0.361 l E. 0.861 l Soln :D, P1V1 = P2V2 V2 = P1V1 P2 = 0.950.38 1 = 0.361 l 98. mve©Rbxb M¨vm aªæeK, R Gi gvb KZ? A. 0.082 L atm K-1 mol-1 B. 8.34J K-1 mol-1 C. 8.32 J K-1 mol-1 D. 0.820 L atm K-1 mol-1 E. 1.987 Cal K-1 mol-1 Soln :A 99. †Kvb& ZvcgvÎvq GKwU AYyi MwZkw³ ïb¨ n‡e? A. 0C B. 273C C. 273C D. 116C E. 298 K Soln :C 100. Av`k© `ªeY wb‡æi †Kvb& m–ÎwU †g‡b P‡j? A. e‡q‡ji m–Î B. f¨vÛvi Iqvj&‡mi m–Î C. MÖvnv‡gi m–Î D. ivD‡ëi m–Î E. RviY msL¨v Øviv Soln :A 101 . cÖej Pv‡c iwÿZ CO2 M¨vm‡K †Kvb avZe b‡ji AwZ miæ wQ`ªc‡_ wbtmiY Ki‡j mv`v ﮋ ei‡di `vbv cÖvwß †Kvb& cÖfv‡ei d‡j N‡U? A. f¨vÛvi Iqvj ej cÖfve B. Ryj-_g&mb cÖfve C. wewµqvi †eM cÖfve D. jv-k¨v‡Uwjqvi cÖfve E. MÖvnv‡gi M¨vm-e¨vcb cÖfve Soln :B 102. wb‡Pi †Kvb&wU e‡q‡ji m–Î wb‡`©k K‡i? A. VT (P w¯’i) B. V (T w¯’i) C. P1V1 = P2T2 D. PT (V w¯’i) E. P = p1 + p2 + p3 Soln :B 103. GKwU ev¯Íe M¨vm cÖvq Av`k© M¨v‡mi gZ AvPiY Ki‡e : A. wbgœ ZvcgvÎvq I wbgœ Pv‡c B. wbgœ ZvcgvÎvq I D”P Pv‡c C. D”P ZvcgvÎvq I wbgœ Pv‡c D. D”P ZvcgvÎvq I D”P Pv‡c E. AwZ D”P Pv‡c Soln :C, †Kvb GKwU M¨vm hZ †ewk Zij †_‡K `~‡i hv‡e ZZ †ewk Av`k© AvPiY Ki‡e| D”P ZvcgvÎv I wbgœPv‡c M¨vmwU Zij †_‡K `~‡i P‡j hv‡e A_©vr Av`k© AvPiY Ki‡e| 104. w¯’i Pv‡c 27C ZvcgvÎvq †Kvb M¨v‡mi AvqZb 200 cm3 n‡j KZ ZvcgvÎvq Zvi AvqZb wظY n‡e? A. 254C B. 150C C. 327C D. 600C E. 13.5C Soln :C, Pvj©‡mi m~Î n‡Z, T2 = = 600C = (600 – 273) K = 327 K 105.f¨vÛviIqvj&m mgxKi‡Y 'a' aªæeK wK wb‡`©k K‡i? A. AYyi AvqZb B. M¨v‡mi Pvc C. M¨v‡mi AvšÍtAvYweK AvKl©Y D. AYyi MwZ‡eM E. M¨v‡mi AvšÍtAvYweK weKl©Y V 1 P 60 30 30 60 333 273 303 333 303 333 P 1 2 2 1 1 T V T V 1 1 1 2 1 V 2V (27 173) V V T

| Soln :C, AvšÍ:AvYweK AvKl©‡Yi †ÿ‡Î, f¨vÛvi Iqvj&m mgxKiY GLv‡b, a, b = aªæeK hviv AvšÍ:AvYweK AvKl©Y ej wb‡`©k K‡i| 106.N.T.P. †Z 5.6 wjUvi GKwU M¨v‡mi IRb 7.5 MÖvg| M¨vmwUi AvYweK ms‡KZ njA. NH3 B. CO C. O2 D. H2O E. NO Soln :E, PV = M = hv NO Gi AvYweK fi wb‡`©k K‡i| 107.GKwU ev¯Íe M¨vm cÖvq Av`k© M¨v‡mi g‡Zv AvPiY Ki‡eA. wbgœ ZvcgvÎv I wbgœ Pv‡c B. wbgœ ZvcgvÎv I D”P Pv‡c C. D”P ZvcgvÎv I D”P Pv‡c D. D”P ZvcgvÎv I wbgœ Pv‡c E. 100K ZvcgvÎvq Soln :D, D”P ZvcgvÎv I wbgœPv‡c ev¯Íe M¨vmmg~n Av`k M¨v‡mi b¨vq AvPiY K‡i| wbgœ ZvcgvÎv I D”PPv‡c Gi wePz¨wZ N‡U| 108.Av`k© `ªeY njA. hv e‡q‡ji m~Î †g‡b P‡j B. hv f¨vÛviIqvj&‡mi m~Î †g‡b P‡j C. hv MÖvnv‡gi m~Î †g‡b P‡j D. hv ivD‡ëi m~Î †g‡b P‡j E. hv WvjU‡bi m~Î †g‡b P‡j Soln :D, †hme `ªeY Av`k© ZvcgvÎv I Pv‡c ivD‡ëi m~Î †g‡b P‡j Zv‡`i Av`k© `ªeY e‡j| 109.wb‡gœi †KvbwU Pvj©m Gi m~Î? A. V P (T const) B. V T (P const) C. P T (V const) D. V n (T const) E. D P Soln :B 110.wb‡Pi †Kvb m~ÎwU M¨vm m~‡Îi AšÍfz©³ bq? A. e‡q‡ji m~Î B. Pvj©‡mi m~Î C. Wvë‡bi AvswkK Pvc m~Î D. A¨v‡fvMv‡Wªvi m~Î E. †n‡mi m~Î Soln :E, †n‡mi myÎ Zvckw³i wbZ¨Zv m~Î| 111.wb‡Pi †KvbwU Av`k© M¨vm? A. Aw·‡Rb B. bvB‡Uªv‡Rb C. wnwjqvg D. Kve©b g‡bv·vBW E. †KvbwUB bq Soln :E, ev¯Í‡e †Kvb M¨vmB Av`k© bq| 112.w¯’i Pv‡c 54 †m ZvcgvÎvq †Kvb wbw`©ó f‡ii M¨v‡mi AvqZb 250 cm3 n‡j GKB Pv‡c 381 †m ZvcgvÎvq M¨v‡mi AvqZb KZ n‡e? A. 150 cm3 B. 300 cm3 C. 350 cm3 D. 400 cm3 E. 500 cm3 Soln :E, w¯’i Pv‡c, V2 = 113.†Kvb&wU M¨vm aªæeK R Gi gvb bq? A. B. C. D. E. Soln :B, wewfbœ GK‡K R Gi gvbGK‡Ki bvg GK‡Ki bvg wjUvi-evqyPvc 0.0821 L atm K–1 mol–1 Gm.AvB 8.314 JK–1 mol–1 wm. wR. Gm 8.314 107 erg K–1 mol–1 K¨vjwi 1.987 Cal K–1 mol–1 114.NaCl Gi m¤¢ve¨ MvVwbK AvK…wZ wK n‡e? A. NbKxq B. AóZjxq C. ˆiwLK D. PZz¯ÍjKxq E. wÎfzRvK…wZ Soln :A e¨vmv‡a©i AbycvZ K¨vUvq‡bi mwbœ‡ek msL¨v †Kjv‡mi aiY 0.73 Gi eo 8 NbKxq 0.73–0.41 6 AóZjKxq 0.41–0.23 4 PZz¯ÍjKxq NaCl: mwbœ‡ek msL¨v 6:6 KvVv‡gv AóZjKxq| 115.0C ZvcgvÎv cig †¯‹‡j KZ? A. 0C B. 750 K C. 273 K D. 298 K E. 300 K Soln :C; C = (273+)K; 0C = (273+0)K = 273 K Ans. 116.†Kvb Ae¯’v‡K STP e‡j? A. 0C, 76 cm (Hg) B. 0C, 760 cm (Hg) C. 273 K, 76 cm (H2O) D. – 273 K, 76 cm(Hg) E. – 273 K, 1atm Soln :A, STP = Standard Temperature and Pressure STP: 0C ZvcgvÎv Ges 1 atm ev 76 cm (Hg) NTP = Normal Temperature and Pressure NTP: 25C ZvcgvÎv Ges 1 atm Pvc 117.e‡q‡ji m~‡Îi †ÿ‡Î †KvbwU mZ¨? A. V w¯’i B. P w¯’i C. T w¯’i D. T cwieZ©bkxj E. P & V w¯’i Soln :C, e‡q‡ji m~Î: V , T aªæeK| 118.w¯’i Zv‡c †Kvb M¨v‡mi Pvc wظY evo‡j AvqZb n‡eA. wظY B. A‡a©K C. Pvi¸Y D. GK PZz_©vsk E. GK Z…Zxqvsk Soln :B, w¯’i Zv‡c, P1V1 = P2V2 (v nb) nRT v n a P 2 2 RT M m 30 1 5.6 7.5 0.0821 273 PV mRT 2 2 1 1 T V T V 3 1 2 1 500cm (54 273) (381 273) 250 T T V 2 1 1 8.20 10 LatmK mol 3 1 1 8.20 10 LatmK mol 7 1 1 8.32 10 ergK mol 1 1 8.31 JK mol 1 1 1.989 Cal K mol a e r r 0.524; 181 95 r r a e p 1

| (A‡a©K) Ans. 119.f¨vbWvi Iqvjm& aªæeK ‘a’ mwVK GKKA. atmL2mol-2 B. atmL-2mol-2 C. Lmol-2 D. atm2L -1 mol-1 E. atm.mol-1 Soln :A, a Gi GKK atmL2 mol–2 Ges b Gi GKK Lmol–1 [wjUvi evqyPvc GK‡K] 120.5 wjUvi AvqZ‡bi cv‡Î GKwU M¨vm 27 I 1 evqygÐjxq Ave× Av‡Q| ZvcgvÎv Avi KZ evov‡j M¨v‡mi AvqZb †`o ¸Y e„w× cv‡e? A. 150C B. 77C C. 250C D. 300C E. 350C Soln :A, Pvj©‡mi m~Î n‡Z, T2 = T = T2 – T1 = (177–27)C = 150C 121.KZ ZvcgvÎvq †mvwWqvg †K¬vivBW M‡j? A. 800C B. 500C C. 100C D. 200C E. 150C Soln :A, NaCl Gi MjbvsK 801C Ges ùzUbvsK 1465C 122.¯^vfvweK ZvcgvÎvq †Kvb †gŠwjK avZz Zij Ae¯’vq _v‡K? A. mxmv B. cvi` C. wjw_qvg D. K¨vWwgqvg E. meB Soln :B, Zij avZz: Fr d«v‡Ý Ga wM‡q Hg nvRx Cs mvBR ¯^vfvweK ZvcgvÎvq gvÎ `ywU avZz Zij: cvi` (Hg) I wmwRqvg (Cs)| †Kvb †Kvb eB‡Z d«vwÝqvg I M¨vwjqv‡gi K_v ejv Av‡Q| wKš‘ Fr †ZRw¯Œq Ges Ga AcavZz hvi Mjbv¼ 29.78C| ¯^vfvweK ZvcgvÎv ej‡Z †evSvq 25C. 123.M¨v‡mi AYy¸‡jvi MwZkw³ cig ZvcgvÎviA. e¨¯@vbycvwZK B. e‡M©i e¨¯@vbycvwZK C. mgvbycvwZK D. e‡M©i mgvbycvwZK Soln :C 124.25C ZvcgvÎv‡K †Kjwfb (Kelvin) GK‡K cÖKvk Ki‡j `vovqA. 248 K B. 298 K C.100 K D. 200 K Soln :B 125.0.95 atm Pv‡c 25C ZvcgvÎvq GKwU M¨v‡mi AvqZb 0.38 L n‡j D³ ZvcgvÎv 1 atm Pv‡c M¨vmwUi AvqZb KZ? A. 0.361 L B. 0.371 L C. 0.381 L D. 0.391 L Soln :A 126.evwn¨K Pv‡ci cÖfv‡e miæ wQ`ª c_ w`‡q M¨vm m‡Rv‡i †ei n‡q Avmv‡K e‡jA. Diffusion B. Effusion C. Osmosis D. Osmotic pressure Soln :B 127.S.I. GK‡K †gvjvi M¨vm aªæeK R Gi gvb njA. 0.0821 L.atm/ K/mol B. 0.0821 Joule/ k/ mol C. 8.316 Joule/ K/mol D. 8.316107 Joule/K/mol Soln :C 128.M¨v‡mi AYy¸‡jvi MwZi DciA. AwfKl© kw³i †Kvb cÖfve †bB B. AwfKl© kw³i mvgvb¨ cÖfve Av‡Q C. gva¨vKl© kw³i †Kvb cÖfve †bB D. gva¨vKl© kw³i mvgvb¨ cÖfve Av‡Q Soln :A 129.†mvwWqvg Avq‡bi e¨vmva© 95 pm Ges †K¬vivBW Avq‡bi e¨vmva© 181 pm| NaCl ùwU‡Ki mwbœ‡ek msL¨v KZ? A. 8:8 B. 8:4 C. 6:6 D. 4:4 130.64 g Aw·‡Rb GKwU Ave× cv‡Î 600 K ZvcgvÎvq 2 atm Pvc ˆZwi K‡i| H cv‡Î 56 g N2 M¨vm KZ ZvcgvÎvq ivL‡j GKB Pvc ˆZwi Ki‡e? A. 300 K B. 200 K C. 600 K D. 800 K E. 1000 K Soln :C 131.†Kvb& Ae¯’vq GKwU M¨vm Av`k© M¨v‡mi gZ AvPiY K‡i? A. wbgœ ZvcgvÎv I wbgœPvc B. D”P ZvcgvÎv I D”QPvc C. wbgœ ZvcgvÎv I †h †Kvb Pvc D. D”P ZvcgvÎv I wbgœPvc E. wbgœ ZvcgvÎv I D”PPvc Soln :D 132.w¯’i Pv‡c 0.75L †Kvb M¨vm‡K 27C ZvcgvÎv †_‡K 15C ZvcgvÎvq kxZj Kiv n‡jv| M¨vmwUi AvqZb KZ n‡e? A. 0.721 B. 0.715a C. 0.15L D. 1mL Soln :A 133 . 25 C ZvcgvÎvq 22g CO2 M¨v‡mi AYymg~‡ni MwZkw³ KZ? A. 1858.179J B. 929.089 J C. 84.461 J D. 0 J Soln :A 134.NaCl Gi †Kjv‡mi AvK…wZ wb‡Pi †KvbwU? A. NbK B. g‡bvwK¬wbK C. A‡±vnvBWªvj D. UªvBwK¬wbK Soln :A 135.GKwU wbw`©ó ZvcgvÎv I Pv‡c NH3 M¨v‡mi e¨vcb nvi 102 m3 /s n‡j D³ Ae¯’vq H2S M¨v‡mi e¨vcb nvi KZ m3 /s? A. 52 B. 20 C. 10 D. 202 Soln :C 136.GKB ZvcgvÎv I Pv‡c KZ MÖvg H2S Gi AvqZb 56 MÖvg N2 Gi AvqZ‡bi mgvb n‡e? A. 56 B. 68 C. 28 D. 34 Soln :B 137.27 C ZvcgvÎvq GKwU M¨v‡mi AvqZb 10 m3| Pvc w¯’i †i‡L ZvcgvÎv KZ C e„w× Ki‡j AvqZb 12 m3 n‡e? A. 5.4 B. 32.4 C. 54 D. 60 Soln :D 138.cøvRgv Ae¯’v c`v‡_©i †Kvb ai‡Yi Ae¯’v? A. KwVb Ae¯’v B. Av‡qvwWb Ae¯’v C. Zij Ae¯’v D. M¨vmxq Ae¯’v Soln :D 139.105.27 kPa Pv‡c I 27C ZvcgvÎvq 1.010-3 m3 AvqZb d¬v‡¯‹i g‡a¨ Ave× CO2 M¨v‡mi AYyi msL¨vA. 2.351022 B. 2.541022 C. 2.351023 D. 2.641022 Soln :B 140.1 mole cvwb = KZ MÖvg cvwb? A. 20 g B. 18 g C. 36 g D. 9 g Soln :B 2 1 2P P P P V V 1 1 1 2 1 2 2 2 1 1 T V T V 177 C V 1.5V (27 273) V V T 1 1 1 2 1

| 141.evZv‡mi g‡a¨ GKfvM AvqZ‡bi Aw·‡Rb Ges Pvi fvM AvqZ‡bi bvB‡Uªv‡Rb Av‡Q| evZv‡mi †gvU Pvc 760 mm; Aw·‡Rb Ges bvB‡Uªv‡Rb AvswkK Pvc n‡”QA. 160 mm, 600 mm B. 152 mm, 608 mm C. 142 mm, 618 mm D. 108 mm, 652 mm Soln :B 142.ZvcgvÎv w¯’i †i‡L 2.63 atm Pv‡c 1520 ml AvqZb wewkó GKwU M¨vm‡K cÖgvY Pv‡c Avbv n‡j Zvi AvqZb n‡e- (07-08; 06-07; 06- 07) A. 3997.6 ml B. 2996.7 ml C. 9337.6 ml D. 4997.6 ml Soln :A 143.K2Cr2O7-Gi †Kjv‡mi AvK…wZ †KvbwU? A. NbK B. UªvBwK¬wbK C. A‡_©viw¤^K D. g‡bvwK¬wbK Soln :B 144.c`v‡_©i M¨vmxq Ae¯’vq abvZ¥K Avqb I B‡j±«‡bi cvkvcvwk _vKvi Ae¯’v‡K e‡jA. ùzUbv¼ B. ùwUK C. cøvRgv D. Mjbv¼ Soln :C 145.†KvbwUi †Kjvm KvVv‡gv NbK? A. NaCl B. SnSO4 C. BaSO4 D. NaNO3 Soln :A 146.Av`k© M¨vm ev¯Íe M¨v‡mi gZ AvPiY Ki‡eA. wbgœ ZvcgvÎvq B. wbgœ ZvcgvÎvq I D”P Pv‡c C. D”P ZvcgvÎvq I wbgœ Pv‡c D. AwZ D‡”P Pv‡c Soln :B 147.25C ZvcgvÎvq 22g CO2 M¨v‡mi AYymg–‡ni MwZkw³- A. 929.9891J B. 1858.179J C. 0J D. 84.461J Soln :B 148.17C ZvcgvÎvi 290 mL †Kvb M¨vm‡K w¯’i Pv‡c –13C ZvcgvÎvq kxZjxKiY Ki‡j M¨vmwUi cwiewZ©Z AvqZb n‡e: A. 260 mL B. 270 mL C. 280 mL D. 290 mL Soln :A 149.cÖgvY Ae¯’vq 1120 mL CO2 M¨v‡mi AYy¸wji †gvU fi: A. 4.4g B. 2.2g C. 4.0g D. 2.0g Soln :B 150.M¨vm X-Gi e¨vcb nvi M¨vm Y-Gi e¨vcb nv‡ii wظY Ges X-Gi ev®úxq NbZ¡ 2 n‡j, Y M¨vmwUi AvYweK fi n‡e: A. 2 B. 4 C. 8 D. 16 Soln :D 151.3L †Kvb M¨v‡mi Pvc I ZvcgvÎv h_vµ‡g wθY I wظY e„w× Ki‡j M¨vmwUi b~b¨Zg AvqZb n‡e? A. 4L B. 2L C. 6L D. 3L Soln :B 152.20C ZvcgvÎvq nvB‡Wªv‡Rb AYyi eM©g~j-Mo-eM© KZ? A. 1.87 103 ms–1 B. 7.81 103 ms–1 C. 1.91 103 ms–1 D. 9.11 103 ms–1 Soln :C 153.wRcmvg †Kvb ai‡bi †Kjvm? A. NbK B. A‡_©viw¤^K C. g‡bvwK¬wbK D. UªvBwK¬wbK Soln :C 154.27C ZvcgvÎvq 0.526 atm Pv‡c 15g bvB‡Uªv‡Rb AvqZb KZ? A. 20 L B. 25.05 L C. 30 L D. 10 L Soln :B 155.†KvbwU e‡q‡ji m~Î bq? A. PV = K B. V = K/P C. V 1/P D. v T Soln :D 156.†UUªv‡Mvbvj †Kjv‡mi Aÿ `~iZ¡ I †KŠwYK `~iZ¡ h_vµ‡gA. a = b c I = = = 90 B. a = b c I = = = 60 C. a = b = c I = = = 90 D. a b c I = = = 90 Soln :A 157.PV = nRT mgxKi‡Y T Gi gvb cÖKvk Kiv nq †Kvb †¯‹‡j? A. †mjwmqvm B. dv‡ibnvBU C. †ivgvi D. cig ZvcgvÎv Soln :D 158.25C ZvcgvÎv I 5 evqygÐjxq Pv‡c GKwU 100 wjUvi wmwjÛv‡i KZ †gvj nvB‡Wªv‡Rb Av‡Q? A. 20.45 B. 22.45 C. 23.45 D. 24.45 Soln :A 159.GK evqygÐjxq Pvc n‡jvA. 100.3 KPa B. 101.3 KPa C. 102.3 KPa D. 103.3 KPa Soln :B 160.M¨vm aªæeK R Gi gvb †KvbwU? A. 0.08206 cal / mol.K B. 1.987 cal/ mol.K C. 8.314 cal/mol.K D. 1.987 J/mol.K Soln :B 161.Av`k© M¨v‡mi PV ebvg P Kvf© †Kvb& A‡ÿi mgvšÍivj n‡e? A. PV Aÿ B. P Aÿ C. PS Aÿ D. †KvbwUB bq Soln :B 162.STP-†Z ZvcgvÎv I Pvc n‡e: A. 0 C. I 1 atm B. 0 K I 1 atm C. 25 C. I 0.5 atm D. 0 C. I 0.5 atm Soln :A 163.PV = 0.02 RT mgxKiYwU KZ MÖvg Av`k© M¨vm, A (M = 28 g mol-1 )-Gi mgxKiY? A. 5.6 g B. 0.56 g C. 6.5 g D. 0.65 g Soln :B 164.SI GK‡K †gvjvi M¨vm aªæeK, R-Gi gvbA. 4.314 J K-1 mol-1 B. 8.314 J K-1 mol-1 C. 6.431 J K-1 mol-1 D. 3.143 J K-1 mol-1 Soln :B 165.`ywU M¨vmxq Dcv`vb wewkó wm‡÷‡gi †gvU Pvc 0.5 atm| GKwU Dcv`v‡bi †gvj fMœvsk 0.2 n‡j Zvi AvswkK Pvc KZ? A. 0.1 atm B. 0.01 atm C. 0.05 atm D. 0.2 atm Soln :A 166.STP †Z 50 cc †K¬vwib M¨v‡mi AYyi msL¨v 50 cc bvB‡Uªv‡Rb M¨v‡mi AYyiA. wZb¸Y B. wظY C. A‡a©K D. mgvb Soln :D 167.w¯’i ZvcgvÎvq I 1 atm Pv‡c †Kvb wbw`©ó f‡ii Aw·‡Rb M¨v‡mi AvqZb 3.15 wjUvi nq| M¨v‡mi Pvc e„w× K‡i 2.50 atm Kiv n‡j AvqZb KZ n‡e? A. 1.62 wj. B. 216 wj. C. 621 wj. D. 1.26 wj. Soln :D 168.4 dm3 †Kvb Av`k© M¨v‡mi ZvcgvÎv 200K †_‡K 400K-‡Z DbœxZ Ges Pvc A‡a©‡K AebwgZ n‡j Zvi P‚ovšÍ AvqZb KZ n‡e?

| A. 2 dm3 B. 4 dm3 C. 8 dm3 D. 16 dm3 Soln :D 169.(P+0.04a/V2 ) (V-0.2b) = 0.2RT mgxKiYwU KZ MÖvg N2-Gi Rb¨ cÖ‡hvR¨? A. 2.8g B. 0.56g C. 5.6g D. 0.28g Soln :C 170.†Kvb †gg‡eª‡Y †eªvwgb M¨v‡mi (Mr=160) e¨vcb nvi 6mm3 s -1 n‡j GKB Ae¯’vq Zv‡Z SO3 M¨v‡mi (Mr=80) e¨vcb nvi KZ? A. 3mm3 s -1 B. 6/ m C. 6 mm3 s -1 D. 12mm3 s -1 Soln :C 171.wKiƒc Pv‡c I ZvcgvÎvq †Kvb ev¯Íe M¨vm PV=nRT mgxKiYwU †gvUvgywU †g‡b Pj‡e? A. D”P Pvc; D”P ZvcgvÎv B. D”P Pvc ; wbgœ ZvcgvÎv C. wbgœ Pvc; D”P ZvcgvÎv D. wbgœ Pvc; D”P ZvcgvÎv Soln :C 172.wRcmvg †Kvb ai‡bi †Kjvm? A. NbK B. g‡bvwK¬wbK C. UªvBwK¬wbK D. A‡_©viw¤^K Soln :B 173.e‡q‡ji m~‡Î †KvbwUi cwieZ©b nq bv? A. ZvcgvÎv B. Pvc C. AvqZb D. NbZ¡ Soln :A 174.ev¯Íe M¨vm KLb Av`k© M¨v‡mi AvPiY cÖ`k©b K‡i? A. P 1 atm I D”P ZvcgvÎv B. P 1 atm I D”P ZvcgvÎv C. P = 1 atm I wbgœ ZvcgvÎv D. P = 1 atm I D”P ZvcgvÎv Soln :A 175.KNO3 †Kvb †kÖYxi †Kjvm? A. wKDweK B. †UUªv‡Mvbvj C. A‡_©viw¤^K D. g‡bvwK¬wbK Soln :C 176.Sl GK‡K mve©Rbxb M¨vm aªæe‡Ki gvÎv KZ? A. L Atm K-1 mole-1 B. J K-1 mole-1 C. N K-1 mole-1 D. Cal K-1 mole-1 Soln :B 177.†Kvb cv‡Î iwÿZ cvwb‡Z KMnO4 `vbv †Q‡o w`‡j ax‡i ax‡i mg¯Í cvwbi is †e¸Yx nq| GwU †Kvb& cÖwµqv? A. cwiPjb B. wbtmiY C. Awfmªeb D. e¨vcb Soln :D 178.KZ wWMÖx †mjwmqvm ZvcgvÎvq evqy Zi‡j cwiYZ nq? A. -273 B. -180 C. -184 D. -132 Soln :A 179.mv`v wfwUªIj †Kvb&wU? A. FeSO4.7H2O B. ZnSO4.7H2O C. MgSO4.7H2O C. CaSO4.2H2O Soln :B 180.f¨vÐvi Iqvjm& mgxKi‡Yi ï× iƒc †Kvb&wU? A. B. C. D. Soln :C 182.GKwU ÷xj U¨vs‡K 11.0 atm Pv‡c I 27C ZvcgvÎvq CO2 M¨vm Av‡Q| U¨vsKwU‡K 100C Zv‡c DËß Ki‡j Avf¨šÍixb M¨v‡mi Pvc n‡eA. 13.7 atm B. 1.37 atm C. 8.8 atm D. 40.7 atm Soln :A 183.x, y, z-Aÿ eivei GKK `~iZ¡‡K h_vµ‡g a, b, c w`‡q cÖKvk Ki‡j †UUªv‡Mvbvj †Kjv‡mi †ÿ‡Î Aÿ `~i‡Z¡i m¤úK© n‡eA. a=b=c B. a=bc C. ab=c D. a=2b=c Soln :B 184.H2 AYymg~‡ni MwZ‡eM me‡P‡q †ewk| Gi KviY n‡”QA. AYymg~‡ni g‡a¨ weKl©Y kw³ wµqvkxj B. AYymg~‡ni Dci gva¨vKl©Y kw³ wµqvkxj bq C. AYymg~‡ni MwZc‡_ Zv‡`i g‡a¨ †Kvbiƒc msNl© N‡U bv D. AYyi AvYweK fi me‡P‡q Kg Soln :C 185.ev¯Íe M¨vm Av`k© M¨v‡mi mgxKiY PV = nRT †g‡b P‡j bv| Gi KviY wb‡gœi †Kvb&wU? A. M¨vm AYyi AvqZb AwZ bMY¨ B. M¨v‡mi AYyi wbR¯^ AvqZb Av‡Q C. M¨v‡mi AYyi MwZ‡eM Lye †ewk D. M¨v‡mi AYyi wbR¯^ AvqZb I wb‡R‡`i g‡a¨ AvKl©Y ej we`¨gvb Soln :D 186.†Kvb †Rvov Gwm‡W ZxeªZvi µg fzj? A. CH3COOH > CH3CH2COOH B. ClCH2COOH > CH3COOH C. HClO4 > HNO3 D. HF > HCl Soln :D 187.wRcmvg †Kjv‡mi †kÖYx n‡”QA. NbK B. †n·v‡Mvbvj C. UªvBwK¬wbK D. g‡bvwK¬wbK Soln :D 188.wb‡Pi †KvbwU wKDweK ev NbK bq? A. WvqgÛ B. iK më C. K¨vjmvBU D. Kcvi avZz Soln :C 189. w¯’i ZvcgvÎvq GK evqygÛj Pv‡c iwÿZ 100 mL nvB‡Wªv‡Rb M¨v‡mi Dci Pvc e„w× Ki‡j Gi AvqZb 76 mL nq| M¨v‡mi Pvc e„w×i cwigvY wbY©q Ki| A. 140 mm (Hg) B. 240 mm (Hg) C. 160 mm (Hg) D. 260 mm (Hg) Soln :B, p1v1 = p2v2 p2 = p1v1 v2 = 760×100 76 = 1000 mm (Hg) p = p2–p1 = 1000 – 760 = 240 mm (Hg) 190.MÖvdvBU †Kjv‡mi †kÖYx n‡”QA. NbK B. g‡bvwK¬wbK C. UªvBwK¬wbK D. †n·v‡Mvbvj Soln :D 191.†Kvb ZvcgvÎvq M¨v‡mi AvqZb gvcv hv‡e bv? A. 0K B. 273 K C. 273 D. 273C Soln :A 2 2 (V nb) nRT V n a P 2 2 V nb nRT V na P ( ) 2 2 V nb nRT V n a P ( ) 2 2 V nb nRT V a P ( ) 2

| 192. w¯’i Pv‡c wbw`©ó cwigvY †Kvb M¨v‡mi AvqZb cig ZvcgvÎvi mgvbycvwZK| G m–ÎwUA. e‡q‡ji B. Pvj©‡mi C. †M-jymv‡Ki D. M¨v‡mi m–Î Soln :B অধ্যায় ০২: জৈব েসায়ি 1. ÔcÖvYkw³ gZev`Õ-Gi RbK †K? K iv`vi †dvW© L Dn&jvi M ev‡R©wjqvm N Wvëb 2. wb‡Pi †KvbwU BDwiqvi ms‡KZ? K CH3COOH L NH4CNO M (NH2)2CO N 3. BDwiqv GKwUK A‰Re †hŠM L AcavZz M ˆRe ‡hŠM N †fŠZ c`v_© 4. BDwiqv †K Avwe®‹vi K‡ib? K ev‡R©wjqvm L Dn&jvi M †evi N Wvëb 5. BDwiqv‡Z †Kvb eÜb we`¨gvb? K mg‡hvRx L AvqwbK M avZeN mwbœ‡ek 6. ev‡R©wjqvm †Kvb †`‡ki weÁvbx? K myBwWm L Rvg©vb M d«vÝ N BZvwj 7. ‰Re †hŠ‡Mi msL¨v KZ? K 80 nvRvi L 1 jÿ M 50 jÿN 80 jÿ 8. Aóv`k kZ‡Ki me‡P‡q mv_©K imvqbwe` †K? K BDwjqvg kx‡j L †d«WwiK Dn&jvi M ev‡R©wjqvm N c¨viv‡mjmvm 9. A¨vj‡Kvnj k‡ãi cÖe³v †K? K ev‡R©wjqvm L c¨viv‡mjmvm M Dnwjqvg kx‡j N Dn&jvi 10. wb‡Pi †KvbwU ˆRe †hŠM bq? K CH4 L CO2 M C6H12O6 N CH3MgBr 11. ‰Re †hŠM †KvbwU? K Fe(CO)5 L CaC2 M KCN N C2H2 12. ‰ewkó¨ Abymv‡i ˆRe †hŠM KqwU †kªwY‡Z wef³? K 2wU L 3wU M 4wU N 5wU 13. A¨vwjd¨vwUK k‡ãi A_© Kx? K GwmWag©x L Pwe©RvZ M Kve©bhy³ N wgwóMÜhy³ 14. ‡KvbwU A¨vwjd¨vwUK †hŠM? K †cÖvwcb L wcwiwWb M †ebwRbN _v‡qvwdb 15. wb‡Pi †KvbwU ˆRe †hŠM bq? K CS2L CH4 M CHCl3 N C2H4 16. ‡jey‡Z †Kvb GwmW _v‡K? K UviUvwiK GwmW L mvBwUªK GwmW M A¨vwmwUK GwmW N A·vwjK GwmW 17. ‡KvbwU †_‡K j¨vKwUK GwmW cvIqv hvq? K `wa L †jey M B¶z N Mj exwP 18. ‡Kvb weÁvbx me©cÖ_g A¨vwmwUK GwmW ms‡kølY K‡ib? K kx‡j L Dn&jvi M †Kve N ev‡R©wjqvm 19. ‰Re †hŠ‡M Dcw¯’Z †nUv‡iv cigvYy †KvbwU? K C L H M S N O 20. wdDivb †hŠ‡M Dcw¯’Z †nUv‡iv cigvYy †KvbwU? K Aw·‡Rb L bvB‡Uªv‡Rb 3 NH3 O || NH C

| M mvjdviN dmdivm 21. wb‡Pi †hŠMwU Am¤ú„³? K C2H6 L C2H4 M C4H10N C3H8 22. e× wkKj †hŠM ‡KvbwU? K 2-wg_vBj †cÖv‡cb L weDU-1-Bb M Bw_b A·vBW N Bw_b 23. A¨v‡iv‡gwUK †hŠ‡Mi D`vniY †KvbwU? K mvB‡K¬vweDwUb L †UUªvnvB‡Wªv wdDivb M wdDivbN Bw_wjb A·vBW 24. ‡Kvb †hŠMwU‡Z -eÜb Abycw¯’Z? K B_vBb L mvB‡K¬v‡n‡·b M wcwiwWbN †ebwRb 25. ÔA¨vwjdviÕ †Kvb fvlvi kã? K divmx L Aviex M BZvwjqvb N wMÖK 26. Aroma k‡ãi A_© Kx? K KUzMÜ L MÜnxb M mywgwó MÜ N Zxeª SuvSv‡jv MÜ 27. ‡nUv‡iv mvBwK¬K A¨vwjd¨vwUK †hŠM bq †KvbwU? K Bw_b A·vBW L †UUªvnvB‡Wªv wdDivb M †UUªvnvB‡Wªv_v‡qvwdb N mvB‡K¬v‡n‡·b 28. ‡KvbwU welg PvwµK A¨v‡iv‡gwUK ‡hŠM? K mvB‡K¬v‡n‡·b L †UUªvnvB‡WªvwdDivb M wg_vBj †ebwRb N wdDivb 29. dzjvwib †hŠ‡M KZwU Kve©b cigvYy we`¨gvb? K 1wU L 20wU M 60wUN 100wU 30. Kve©b (C) cigvYyi †hvRbx KZ? K 2 L 4 M 3 N 6 31. wb‡Pi †KvbwU A¨vjwK‡bi mvaviY ms‡KZ? K CnH2n+2 L CnH2n M CnH2n-2 N CnH2n+1 32. wb‡Pi †KvbwU wUªcj eÜb (CC) we`¨gvb? K A¨vj‡Kb L A¨vjKvBb M A¨vj‡Kvnj N Bw_b 33. Aw¯’ †_‡K †Kvb ˆRe †hŠMwU cvIqv hvq? K KzB‡bvwjb L †c‡Uªvj M G÷vi N UjyBb 34. BDwiqvi cÖavb Drm Kx? K Dw™¢` L KvôcvZb M ‡c‡Uªvwjqvg N Rxe Rš‘ 35. wb‡Pi †KvbwU A¨v‡iv‡gwUK †hŠM? K L M N 36. Bw_wjb A·vBW ( ) Kx ai‡bi †hŠM? K †nv‡gvmvBwK¬K L †nUv‡ivmvBwK¬K M A¨v‡iv‡gwUK N Am¤ú„³ 37. wb‡Pi †KvbwU ÒcvB‡ivjÓ Gi ms‡KZ? K L M N 38. wb‡Pi †KvbwU PvwµK ev e× wkKj A¨vwj‡dwUK †hŠM? K mvB‡K¬v weD‡Ub L wcwiwWb M A¨vb_ªvwmb N KzB‡bvwjb 39. AwaKvsk ˆRe †hŠM cÖ¯‘Z Kiv nqK Kve©b weRviY c×wZ‡Z L ms‡kølY c×wZ‡Z M we‡qvRb c×wZ‡Z N cÖwZ¯’vcb c×wZ‡Z O H2CCH2 O CH || CH HC || HC S CH || CH HC || HC OH H | N CH || CH HC || HC

| 40. Dw™¢¾ c`v‡_© C,H,O Ges cÖvwYR c`v‡_© N,S,P _v‡K| GwU‡K cÖgvY K‡ib? K evDwj L j¨vfqwm‡q M Dn&jvi N ev‡R©wjqvm 41. mwµq Kve©b cigvYyi ‡hvR¨Zv ¯Í‡i KqwU AhyM¥ B‡jKUªb _v‡K? K 2wU L 4wU M 6wU N †Kv‡bv AhyM¥ B‡jKUªb _v‡K bv 42. wb‡Pi †Kvb †hŠMwU †i‡Rvb¨vÝ ag© cÖ`k©b K‡i bv? K †ebwRbL wg_vBj †ebwRb M mvB‡K¬v‡n‡·b N wcwiwWb 43. m¤ú„³ ˆRe †hŠ‡M Kx ai‡bi eÜb Dcw¯’Z _v‡K? K wmMgv eÜb L cvB eÜb M wmMgv I cvB eÜb N wØ-eÜb ev wÎ-eÜb 44. wb‡Pi †Kvb †hŠMwU †i‡Rvb¨vÝ ag© cÖ`k©b K‡i bv? K †ebwRbL wg_vBj †ebwRb M mvB‡K¬v‡n‡·b N wcwiwWb 45. Kv‡ev©mvBwK¬K A¨v‡iv‡gwUK †hŠ‡Mi ej‡q †Kvb cigvYywU Dcw¯’Z _v‡K? K Aw·‡Rb L Kve©b M bvB‡Uªv‡Rb N mvjdvi 46. kvLv wkKj †hŠM †KvbwU? K Bw_b A·vBW L weDU-1-Bb M †UUªvnvB‡WªvwdDivb N 2-wg_vBj †cÖvwcb 47. A‰Re †hŠM n‡Z cÖ_g ˆRe †hŠM ms‡kølY K‡ib †K? K ev‡R©wjqvm L †gvm‡j M j¨vfqwm‡q N Dnjvi 48. Kve©b wkKj Øviv MwVZ wewfbœ †hŠ‡Mi imvqb‡K Kx e‡j? K ‡fŠZ imvqb L ˆRe imvqb M A‰Re imvqb N cwi‡ek imvqb 49. cÖvYkw³ gZev` KZ mv‡j cÖwZwôZ nq? K 1810 L 1812 M 1813 N 1815 50. ‰Re †hŠ‡M Kve©‡bi mv‡_ †Kvb †gŠj hy³ n‡Z cv‡i? K bvB‡Uªv‡Rb L †mvwWqvg M wmwjKbN †evib 51. ‰Re †hŠ‡M cÖavbZ †Kvb eÜbwU we`¨gvb? K AvqwbK eÜb L mg‡hvRx eÜb M mwbœ‡ek eÜb N nvB‡Wªv‡Rb eÜb 52. ¯Íb¨cvqx cÖvYxi cÖmªv‡e †Kvb c`v_©wU cvIqv hvq? K TSP L DAP M KClN NH2CONH2 53. ‡KvbwU Avwe®‹v‡ii gva¨‡g cÖvYkw³ gZev` fyj cÖgvwYZ nq? K mycvi dm‡dU L A¨v‡gvwbqv M Kve©bN Aw·‡Rb 54. wb‡Pi †Kvb ˆRe †hŠ‡Mi ag©? K ˆRe †hŠM we`y¨r cwievnx L Kg Mjbv¼ I ùzUbv¼ wewkó M K¨v‡U‡bkb ag© †bB N cÖavbZ AvqwbK eÜb we`¨gvb 55. wg_vb‡ji ùzUbv¼ KZ? K 65C L 60C M 62C N 64C 56. wb‡Pi †KvbwU B_vb‡ji ùzUbv‡¼i gvb? K 70C L 73.5C M 78.3C N 65C 57. wb‡Pi †KvbwU wK‡Uvb Gi mvaviY ms‡KZ? K CnH2n+2 L CnH2nCOOH M CnH2n+1OH N CnH2nO 58. CnH2n+1CHO wb‡Pi †Kvb †hŠ‡Mi mvaviY ms‡KZ? K wK‡Uvb L Kve©w·wjK GwmW M A¨vj‡Kvnj N A¨vjwWnvBW 59. mg‡MvÎxq †kªwYfz³ m`m¨‡K Kx e‡j? K mg‡MvÎK L Amg‡MvÎK M †nvgmvBwK¬K N †nUv‡iv‡jvMvm 60. A¨vj‡Kb †Kvb cÖwµqvi gva¨‡g cÖ¯‘Z Kiv nq? K cÖwZ¯’vcb L weRviY

| M wW-Kvew·‡jkb N Kve©b weRviY 61. 3R – OH+ PX33A+H3PO3; wewµqvq A †hŠMwU n‡jv K RCOOH L HX M RX N H2O 62. wb‡Pi †KvbwU A¨vwg‡bi mvaviY ms‡KZ? K CnH2n–1NH2 L CnH2n+1NH2 M CnH2nNH2 N CnH2n–1NH3 63. wb‡Pi †KvbwU A¨vjwK‡bi mg‡MvÎK bq? K C2H4 L C3H6 M C3H8 N C4H8 64. GKB mg‡MvÎxq †kÖwYi cici msjMœ `ywU †hŠ‡Mi AvYweK ms‡K‡Z †Kvb g~jKwUi cv_©K¨ i‡q‡Q? K – CH3L C3H6 M – CH2 – N 65. A¨vj‡K‡bi mvaviY ms‡KZ †KvbwU? K CnH2n+2 L CnH2n M CnH2n–2 N CnH4n+2 66. A¨vjwWnvB‡Wi mvaviY ms‡KZ n = 1 emv‡j †Kvb mg‡MvÎKwU cvIqv hvq? K H – CHO L CH3–CHO M C6H5–CHO N CH3–COOH 67. mg‡MvÎxq †kªwYi ˆewkó¨ bq †KvbwU? K G‡`i K‡qKwU mvaviY cÖ¯‘Z c×wZ _v‡K L G‡`i m`m¨¸‡jv wfbœ †gŠj Øviv MwVZ M G‡`i wbw`©ó Kvh©Kix g~jK i‡q‡Q N G‡`i ivmvqwbK a‡g© mv`„k¨ i‡q‡Q 68. A¨vj‡Kvn‡ji mvaviY ms‡KZ †KvbwU? K CnH2n+2OH L CnH2n+1OH M CnH2n–2OH N CnH2nOH 69. A¨vjKvB‡bi mvaviY ms‡K‡Zi Rb¨ n Gi gvb †KvbwU n‡Z cv‡i? K 0, 1, 2, 3 L 1, 2, 3, 4 M 2, 3, 4, 5 N †KvbwUB bq 70. ‡KvbwU m¤ú„³ nvB‡WªvKve©b? K A¨vj‡Kb L A¨vjwKb M A¨vjKvBb N n¨v‡jvA¨vj‡Kb 71. d¨vwU Gwm‡Wi †ÿ‡Î mvaviY ms‡K‡Zi Rb¨ n Gi gvb KZ n‡e? K 0, 1 L 1, 2 M 2, 3 N me¸‡jv 72. AvYweK fi e„w×i mv‡_ mv‡_ mg‡MvÎxq †kªwYi †fŠZ ag©- K n«vm cvq L e„w× cvq M µgvbymv‡i cwieZ©b N‡U N AcwiewZ©Z _v‡K 73. ‡n‡Þ‡bvb Gi mg‡MvÎxq †kÖwYi bvg Kx? K A¨vjwWnvBW L B_vi M A¨vj‡Kvnj N wK‡Uvb 74. C11H22 ‡hŠMwUi †ÿ‡Î mwVK? K `ywU eÜb we`¨gvb L m¤ú„³ †hŠM M †eqvi cixÿv †`q N Ag Gi mv‡_ wewµqv †`q bv 75. C18H34 ‡hŠMwUi †ÿ‡Î mwVK? K †eªvwgb `ªeY cixÿv †`q L Am¤ú„³ †hŠM M `ywU eÜb we`¨gvb N me¸‡jv 76. wb‡Pi †KvbwU GwmW A¨vbnvBWªvB‡Wi MvVwbK ms‡KZ? K L –C N M N >C=O 77. – CO NH2 †hŠMwUi Kvh©Kix g~j‡Ki bvg Kx? K A¨vwg‡bv g~jK L GwmW †K¬vivBW g~jK M A¨vgvBW g~jK N bvB‡Uªv g~jK 78. Awjwdb g~j‡Ki MvVbwK ms‡KZ †KvbwU? K L M N – C C – 79. wb‡Pi †Kvb †hŠ‡M wK‡Uv g~jK Dcw¯’Z? / \ C C \ / Cl O || C | | O C | | C C O C O C C C

| K L M N 80. G÷v‡ii Kvh©Kix g~j‡Ki ms‡KZ †KvbwU? K – COOH L – COOR M – CHO N – CONH2 81. 81. MvVwbK ms‡KZ wewkó g~j‡Ki mg‡MvÎxq †kÖwY †KvbwU? K wK‡Uvb L G÷vi M B_vi N GwmW n¨vjvBW 82. ˆRe wewµqvi imvqb †KvbwUi Dci †K›`ªxf~Z? K mg‡MvÎxq †kªwY L Kvh©Kix g~jK M Am¤ú„³Zv N †Kv‡bvwUB bq 83. ‰Re †hŠ‡M GKK-eÜb gy³ Kvh©Kix g~jK Dcw¯’Z _vK‡j †Kvb ai‡bi wewµqv msNwUZ nq? K cÖwZ¯’vcb wewµqvL AcmviY wewµqv M DfqB N †Kv‡bv wewµqv †`q bv 84. C = C I C C eÜbhy³ ˆRe †hŠ‡M †Kvb ai‡bi wewµqv N‡U? K cÖwZ¯’vcb wewµqv L ms‡hvRK wewµqv M cÖwZ¯’vcb I ms‡hvRb wewµqv N †Kv‡bvwUB N‡U bv 85. GwmW A¨vgvBW mg‡MvÎxq †kÖwYi Kvh©Kix g~jK †KvbwU? K L M N 86. ‡Kvb Kvh©Kix g~jKwewkó †hŠMwU cÖwZ¯’vcb wewµqv cÖ`k©b K‡i? K L M – C C – N †Kv‡bvwUB bq 87. mvj‡dvwbK Gwm‡Wi Kvh©Kix g~j‡Ki ms‡KZ †KvbwU? K –SO2H L –SO3H M –SO4H N R – SO3H 88. wb‡Pi †KvbwU me‡P‡q †ewk mwµq g~jK? K –CHO L –OH M –COOH N >C = O 89. CnH2n mvaviY ms‡KZ wewkó †hŠMwU Kx? K A¨vj‡Kb L A¨vjwKb M A¨vjKvBb N B_vi 90. C3H6 AvYweK ms‡KZwewkó †hŠ‡Mi mvaviY ms‡KZ †KvbwU? K CnH2nL CnH2n–2 M CnH2n+2 N CnH4n+2 91. ‡Kv‡bv ˆRe †hŠ‡M GKmv‡_ I eÜb Dcw¯’Z _vK‡j Zvi †hŠM †kÖwY †KvbwU n‡e? K A¨vj‡Kb L A¨vjwKb M A¨vjKvBb N A¨vjwKbvBb 92. `kwU Kve©b ci¯úi hy³ n‡q MwVZ A¨vj‡K‡bi bvg Kx? K A‡±b L b‡bb M Db †W‡Kb N †W‡Kb 93. †hŠMwUi mvaviY bvg Kx? K AvB‡mv †cÖv‡cb L WvB wg_vBj †cÖv‡cb M AvB‡mv †c‡›Ub N wbI †c‡›Ub 94. wb‡Pi †KvbwU bvgKi‡Yi wbqg bq? H O || H C 3 O CH3 O || CH C 3 NH2 O || CH C 3 CH3 O || CH C C O C O || O C O || C H H \ / N O || C X O || C OH O || C OH O || C C C C C C C 3 3 3 3 CH CH | CH | CH C

| K mvaviY c×wZ L RvZ c×wZ M RvZMZ c×wZ N IUPAC c×wZ 95. CH3 –C(CH3)2–CH2–C(CH3)H–CH3 †hŠ‡Mi IUPAC bvg Kx? K 2, 2, 4 UªvBwg_vBj †c‡›Ub L 2, 4, 4 UªvBwg_vBj †c‡›Ub M 2, 2 WvBwg_vBj 4-wg_vBj †c‡›Ub N me¸‡jvB mwVK bvg 96. ‡hŠMwUi mwVK IUPAC bvg †KvbwU? K 2,2 WvBwg_vBj-3,7-WvBB_vBj b‡bb L 2,2,8 UªvBwg_vBj-3,7-WvBB_vBj b‡bb M 3,7-WvBB_vBBj-2,2,8-UªvBwg_vBj b‡bb N †Kv‡bvwUB bq 97. A¨vjwKb mg‡MvÎxq †kªwYi cÖwZwU †hŠ‡Mi bv‡gi †k‡l †Kvb kãwU †jLv nq? K Gb L Bb M AvBb N Avb 98. wb‡Pi †Kvb ˆRe †hŠ‡Mi m~PK msL¨v D‡jøL Ki‡Z n‡e? K CH3 – CH = CH2 L CH3 – C=CH M N 99. wb‡Pi †Kvb mg‡MvÎxq †kÖwYi bvgKi‡Yi †ÿ‡Î Kvh©Kix g~j‡Ki Kve©b cigvYy‡K 1 bs Kve©b wn‡m‡e a‡i cÖavb wkKj wbev©Pb Kiv nq? K A¨vjwWnvBW L wK‡Uvb M A¨vj‡Kvnj N me¸‡jv 100. ‡Kvb mg‡MvÎxq †kÖwYi †hŠ‡Mi bv‡gi †k‡l bvj ev Avj †jLv nq? K A¨vj‡Kvnj L wK‡Uvb M Kve©w·wjK GwmWN A¨vjwWnvBW 101. IUPAC Gi c~Y© bvg Kx? K International Union for Pure & Applied Chemistry L International Union of Pure & Applied Chemistry M International Union of Purification and Application Chemistry N International Union for Pure and Application Chemistry 102. A¨vj‡Kb †_‡K GKwU nvB‡Wªv‡Rb cigvYy AcmvwiZ n‡j †h GK‡hvRx g~jK cvIqv hvq Zv‡K Kx e‡j? K A¨vjKvBj g~jK L Kvh©Kix g~jK M B_vBj g~jK N A¨vivBj g~jK 103. IUPAC c×wZ‡Z ‡Kvb Ask e¨eüZ nq? K Dcc` L kãg~j M cic` N me¸‡jv 104. ‡Kvb AvYweK ms‡KZ A¨vjwWnvBW I wK‡Uv‡bi mgvYy ˆZwi Ki‡e? K C3H6O L C3H8O M C4H8O N C4H6O 105. ‡hŠMwUi AvšÍRvwZ©K c×wZ‡Z bvg Kx n‡e? K UªvBwg_vBj A¨vj‡Kvnj L 2, 2- WvBwg_vBj B_vb-2 Aj M 1, 1, 1 UªvBwg_vBj wg_vbj N 2-wg_vBj †cÖvcvb - 2- Aj 106. wb‡Pi †Kvb ‰Re †hŠ‡Mi bvgKiY AvšÍRvwZ©K ev IUPAC c×wZ AbymiY Kiv n‡q‡Q? K B_vBj WvBwg_vBj wg‡_b L wg_vBj †cÖvcvBj B_vi M 5-B_vBj-2, 3-WvBwg_vBj A‡±b N wg_vBj wdbvBj wK‡Uvb 3 3 3 3 2 2 2 2 3 3 3 2 CH CH | CH | C CH | CH | CH CH CH CH CH | H C CH | CH CH CH 3 2 CH3 O || CH CH C CH3 CH2 CH CH2 OH CH | CH | CH C 3 3 3

| 107. ‡hŠMwUi mwVK IUPAC bvg †KvbwU? K 2,5 WvBwg_vBj-3,5-WvBB_v‡c›U-4-Ib L 3,5 WvBwg_vBj-2,5-WvB_vBj‡c›U -4-Ib M 3,5-WvBB_vBj-2,5-WvBwg_vBj‡c›U-4-Ib N me¸‡jvB mwVK 108. ‡hŠMwUi IUPAC bvg Kx? K 3 †eªv‡gvweD‡Ub L 2-‡eªv‡gvweD‡Ub M B_vBj wg_vBj †eªvgvBW N K I L DfqB 109. †hŠMwUi bvg Kx? K 2, 7, 7- UªvBwg_vBjA±-3, 5 WvBAvBb L 2, 7, 7- UªvBwg_vBjA±-3, 5 WvBBb M 2, 7, 2- UªvBwg_vBjA±-3, 5 WvBAvBb N 2, 2, 7- UªvBwg_vBjA±-3, 5 WvBAvBb 110. C5H12 AvYweK ms‡KZ Øviv KqwU †PBb mgvYy m¤¢e? K 2 L 3 M 4 N 5 111. Gi bvg Kx? K Cis-2 weDwUb L weDwUb-2 M 1,2 WvB wg_vBj Bw_j N trans-2- weDwUb 112. ‡hŠMwUi bvg Kx? K trans-2- †K¬v‡iv weD‡Ub L trans-2-‡cw›Ub M Cis-2 -weD‡Ub N trans-2-weDwUb 113. †hŠMwUi mwVK bvg Kx? K tran-2- †K¬v‡iv weDwUb L Cis-2- †K¬v‡iv weDwUb M 1, 2- WvBwg_vBj Bw_b N Cis-2- †K¬v‡iv weDwUb 114. bvBUªvBj mg‡MvÎxq †kªwYi AcÖavb g~j‡Ki bvg Kx? K mvqv‡bvL bvBUªvBj M _vqjN Ib 115. ‡hŠMwUi cÖavb ev gyL¨ Kvh©Kix g~jK †KvbwU? K –NH2 L – OH M N – CH3 116. Kvh©Kix g~j‡Ki AMÖvwaKvi µ‡gi †ÿ‡Î †KvbwU mwVK? K – COOH –CHO – CN L – CO – – NH2 – CHO M – SH –OH – NH2 N – CN – CO – – NH2 117. ‡hŠMwUi bvg Kx? K mvB‡K¬v‡cÖv‡cb L UªvÝ 1, 2- wg_vBj mvB‡K¬v‡cÖv‡cb M UªvÝ- 1, 2 WvB wg_vBj †c‡›Ub 2 3 2 5 3 3 2 3 3 CH CH C H | CH | C O | C CH | CH | CH CH | CH CH 3 CH2 CH3 Br | CH CH 3 3 3 3 3 CH CH | CH | C C C C C CH | CH CH 3 CH3 H C C CH H H CH C C C H H 3 2 5 Cl CH C C H CH3 3 3 2 3 CH O || C OH | CH NH | CH CH O || C 3 3 CH H H CH

| N UªvÝ 1, 2 WvBwg_vBj mvB‡K¬v‡cÖv‡cb 118. MvVwbK mgvYyZv KZ cÖKvi? K 3 L 4 M 2 N 5 119. wb‡Pi †Kvb †hŠ‡Mi R¨vwgwZK MVb mij ‰iwLK n‡e? K wg‡_b L cvwb M B_vBb N weDwUb 120. wb‡Pi †Kvb †hŠ‡Mi R¨vwgwZK MVb m¤¢e? K weDwUb-1 L weDwUb-2 M †cÖvwcb N A¨vj‡Kvnj 121. ‰Re †hŠ‡Mi mgvYyZv cÖavbZ Kqfv‡M wef³? K 2 L 3 M 4 N 5 122. C6H4Cl2 Gi KqwU mgvYy m¤¢e? K 4 L 2 M 3 N 5 123. MvVwbK mgvYyZv‡K Kqfv‡M fvM Kiv n‡q‡Q? K 2 L 4 M 5 N 6 124. wb‡Pi †KvbwU MvVwbK mgvYZvi cÖKvi‡f` bq? K Ae¯’vb mgvYyZv L U‡UvgvwiRg M †÷wiI mgvYyZv N Kvh©Kix g~jK mgvYyZv 125. C2H5OH I CH3OCH3 †hŠM `ywUK mgvK…wZ †Kjvm L mgvYyK M GKB Kvh©Kix g~jKhy³ †hŠM N ÿviagx© 126. CH3–O–CH3 I CH3 – CH2 – OH †hŠM `ywUi †ÿ‡Î †Kvb Dw³wU AmZ¨? K GwmW †fŠZ ag© wfbœ L G‡`i ivmvqwbK ag© wfbœ M Giv GKB mg‡MvÎxq †kÖwYi †hŠM N Giv GKB AvYweK ms‡KZwewkó †hŠM 127. C5H12 AvYweK ms‡KZwewkó †hŠMwUi mgvYy bq †KvbwU? K †c‡›Ub L 2-wg_vBj weD‡Ub M 2, 2 WvBwg_vBj †cÖv‡cb N 2, 2- WvB wg_vBj weD‡Ub 128. ‡Kvb AvYweK ms‡KZ A¨vj‡Kvnj I B_vi mgvYy ˆZwi K‡i? K C3H6O L C3H6O2 M C3H8O N C4H6O 129. n ‡cÖvcvBj A¨vj‡Kvnj I iso ‡cÖvcvBj A¨vj‡Kvnj †Kvb †kªwYi mgvYyZvi D`vniY? K Ae¯’vb mgvYy L †gUvgvwiRg M †U‡UvgvwiRg N Kvh©Kix g~jK 130. wb‡Pi †KvbwU Av‡jvK mwµq mgvYy? K CH3–CH(NH2)–COOH L (CH3)3C – OH M H3C – CH =CH–CH3 N CCl4 131. ‡÷wiI mgvYyZv cÖ`k©Y K‡i †Kvb †hŠM KvVv‡gv? K CH3–CH= CH – CH3 L CH3–CH(NH2)–COOH M CH3 – CH2 –CH = CH2 N CH3 – CH3 132. j¨vKwUK Gwm‡Wi KbwdMv‡ikb †KvbwU? K L M N 133. d- j¨vKwUK Gwm‡Wi AveZ©b †KvY KZ? K + 2.24 C L -224 C M -1.24 C N + 1.24 C 134. mg‡gvjvi d I l mgvYyi wgkªY‡K Kx e‡j? K GbvbwmIgvi L †iwmwgK wgkªY M Wvqv‡÷vwigvi N j¨vKwUK GwmW 135. hyMcrfv‡e Kvh©Kix g~jK cwieZ©b nIqv‡K Kx e‡j? K †gUvgvwiRg L U‡UvgvwiRg CH3 | COOH | H C H COOH | CH | H C OH 3 CHO | COOH | H C OH OH | CHO | H C CH3

| M g‡bvgi N GbvbwmIgvi 136. wb‡Pi †Kvb †hŠMwU n‡Z 3wU mgvYy cvIqv m¤¢e? K C2H6O L C2H4O2 M C3H6O N C3H8O 137. wb‡Pi †Kvb †hŠMwUi †Kvb mgvYy †bB? K C2H6O L C4H10 M C3H8 N C3H6O 138. C4H10O AvYweK ms‡KZwewkó †hŠ‡Mi KZwU mgvYy m„wó m¤¢e? K 3wU L 5wU M 6wU N 7wU 139. MwZkxj Kvh©Kix g~jK mgvYyZv †KvbwU? K †gUvgvwiRg L U‡UvgvwiRg M Ae¯’vb mgvYyZv N R¨vwgwZK mgvYyZv 140. B_vb‡ji AvB‡mvgvi †KvbwU? K WvBwg_vBj B_viL A¨vwm‡Uvb M WvBB_vBj B_vi N A¨vwmUvjwWnvBW 141. ‡cÖvcvbj-1 I ‡cÖvcvbj -2 †hŠM `ywU‡Z Kx RvZxq mgvYyZv cwijwÿZ nq? K wkKj mgvYyZv L Ae¯’vb mgvYyZv M Kvh©Kix g~jK mgvYyZv N U‡UvgvwiRg 142. A¨vwm‡Uv A¨vwmwUK G÷v‡ii wK‡Uvb MVb I Bbj MVb cÖK…Zc‡ÿK †gUvgvi L U‡Uvgvi M wmm-UªvÝ mgvYy N †g‡mv mgvYy 143. wb‡Pi †Kvb †hŠMwU Kvh©Kix g~jK mgvYyZv cÖ`k©b K‡i? K C3H6O L C3H10O M C3H8 N C5H12 144. ‡KvbwU mg‡MvÎxq †kªwY †gUvgvwiRg cÖ`k©b K‡i? K †m‡KÛvwi A¨vj‡Kvnj L wK‡Uvb M B_viN me¸‡jv 145. BDwiqvi AvB‡mvgvi †KvbwU? K KCNO L NH4CNO M NH4NO3 N NH4Cl 146. ‡Kvb †hŠ‡Mi KvBivj †K›`ª 4 n‡j KZwU mgvYy m¤¢e? K 4 L 8 M 16 N 32 147. Av‡jvK mwµqZv wbY©q Kivi Rb¨ †Kvb hš¿wU e¨envi Kiv nq? K †µv‡gvwgUvi L wmM‡gvwgUvi M †cvjviwgUvi N K¨vjwiwgUvi 148. C4H8 †hŠMwUK U‡jb weKvi‡Ki mv‡_ wewµqv †`q L R¨vwgwZK mgvYyZv cÖ`k©b K‡i M †hŠMwU A¤øagx© N PviwU mgvYy Drcbœ K‡i 149. ‡Kvb †hŠMwU U‡UvgvwiRg †`Lvq? K †cÖvwcb-2 L †cÖvwcb-2-Aj M weDwUb-1 N 1,4-WvB‡K¬v‡iv‡ebwRb 150. wb‡Pi †KvbwU R¨vwgwZK mgvYyZv †`Lvq? K abc = cbb L abc = caa M aac = cbb N abc = cab 151. ‡ebwRb †hŠ‡Mi AvK…wZK PZzfz©RvKvi L mylg PZzfz©RvKvi M lofzRvKvi N mylg lofzRvKvi 152. ‡ebwRb †hŠM cÖ`k©b K‡iK GK cÖwZ¯’vcb wewµqv L wØ-cÖwZ¯’vcb wewµqv M wÎ cÖwZ¯’vcb wewµqv N eû cÖwZ¯’vcb wewµqv 153. CH3 – CH2 – CH3 (‡cÖv‡cb) Gi MvVwbK ms‡KZ m¤¢eK GKwU L `yBwU M wZbwU N PviwU 154. C3H8O Gi mgvYy ‡KvbwU? K CH3–CH2–CH2–OH L M CH3 – O – CH2 – CH3 N me¸‡jv 155. C3H4 †hŠ‡Mi mgvYy KqwU? 3 CH3 OH | CH CH

| K 1wU L 2wU M 3wU N ‡bB 156. wb‡Pi †KvbwU A¨v‡iv‡gwUK †hŠM? K L M N 157. wb‡Pi †KvbwU n¨v‡Kj msL¨v? K n +2L 4n +1 M 4n +2 N 4n – 2 158. wewµqvq A †hŠMwUi bvg Kx? K Mvgvw·b L †n‡·b M mvB‡K¬v‡n‡·b N UjyBb 159. ; B †hŠMwU K UjyBb L †K¬v‡iv‡ebwRb M †dbj N m-UjyBb 160. ‡hŠMwUK wfwmbvjL †Rwgbvj M Amg N mylg 161. ÒA¨v‡ivgvÓ k‡ãi A_© Kx? K mywgó MÜ L `yM©Ü M SuvSv‡jv MÜ N MÜ 162. nv‡Kj ZË¡ Abymv‡i (4n +2) msL¨K B‡jKUªb n‡eK w¯’i B‡jKUªb L mÂviYkxj B‡jKUªb M gy³ †Rvo B‡jKUªb N eÜb †Rvo B‡jKUªb 163. A¨v‡iv‡gwUK †hŠ‡Mi †ebwRbP‡µ Kve©b-Kve©b eÜb ˆ`‡N©¨i gvbK 1.34 nm L 1.39 nm M 1.49 nm N 1.54 nm 164. 164. †KvbwU A¨v‡iv‡gwUK nvB‡WªvKve©bK †n‡Þb L †K¬v‡ivdg© M wcwiwWb N digvwjb 165. A¨v‡iv‡gwUK k‡ãi Drm wb‡Pi †KvbwU? K j¨vwUk L Bs‡iwR M wMÖK N dvwm© 166. ‡ebwR‡bi b¨vq myMwÜhy³ †hŠM‡K Kx ejv nq? K A‰Re †hŠM L A¨vwj‡dwUK †hŠM M A¨v‡iv‡gwUK †hŠM N AvqwbK †hŠM 167. Kvi g‡Z, †ebwRb‡qW KvVv‡gvi Dcw¯’wZ _vK‡Z n‡e? K jvwm_ L jmwg_ M †evi N w¯§_ 168. jmwg‡_i g‡Z †ebR‡qW KvVv‡gv †Kvb †hŠ‡M _vK‡Z n‡e? K A¨vwjwdwU‡K L A¨v‡iv‡gwU‡K M A¨vjwWnvB‡W N A‰Re †hŠ‡M 169. wb‡Pi †KvbwU A¨v‡iv‡gwUK †hŠM? K wdDivbL B_vbj M †n‡·b N †cÖvwcb 170. wb‡Pi †Kvb †hŠ‡M Qq Kve©‡bi †ebR‡qW ejq _v‡K? K wdDivbL wcwiwWb M cvBij N †ebwRb 171. A¨v‡iv‡gwUwmwU e¨vL¨v K‡ib †Kvb weÁvbx? K n¨v‡Kj L jmwg_ M †fvjvi N jyBm 172. n¨v‡Kj ZË¡ Abymv‡i A¨v‡iv‡gwUK †hŠ‡Mi AvK…wZ †Kgb? K j¤^v L P¨vÞv M †MvjvKvi N w·KvYvKvi 173. B‡jKUªb Øviv wb‡Pi †KvbwU Drcbœ nq? K AvYweK AiweUvjL cvigvYweK AiweUvj M †Mvjxq AiweUvj N mgZjxq AiweUvj 174. AvYweK AiweUvj MVb K‡i wb‡Pi †KvbwU? K L M N 175. wcwiwWb n‡jv- + 200 C Ni 3H2 B HCl AlCl CH Cl 3 3 Abv`ª© A A A

| K †nv‡gv A¨v‡iv‡gwUL †nUv‡iv A¨v‡iv‡gwUK M †nv‡gv A¨vwj‡dwUK N †nUv‡iv A¨vwj‡dwUK 176. ‡nUv‡iv A¨v‡iv‡gwUK †hŠM †KvbwU? K †ebwRbL _v‡qvwdb M b¨vc_vwjb N UjyBb 177. wcwiwWb AYy‡Z KqwU ejq we`¨gvb? K 1wU L 2wU M 3wU N 4wU 178. wcwiwWb AYy‡Z mÂviYkxj B‡jKUªb KqwU? K 5wU L 4wU M 7wU N 6wU 179. ‡ebwRb AYy‡Z KqwU wØeÜb we`¨gvb? K 2wU L 3wU M 4wU N 5wU 180. ‡ebwR‡b †Kvb ai‡bi eÜb we`¨gvb? K GKK eÜb L wØeÜb M wÎeÜb N eÜb 181. ‡ebwRb wb‡Pi †KvbwUi mv‡_ hyZ †hŠM MVb K‡i bv? K H2 L O3 M X2 N O2 182. ‡ebwRb ‡hŠM MVb K‡i wb‡Pi †KvbwUi mv‡_? K HCl L H2SO4 M R – X N O3 183. ‡ebwRb we‡kl ai‡bi Am¤ú„³Zv †`q wK‡mi Rb¨? K mÂviYkxj B‡jKUªb L mÂviYkxj B‡jUªKb M AmÂviYkxj B‡jUªKb N AmÂviYxj B‡jKUªb 184. ‡ebwRb P‡µ Kve©b Kve©b eÜb ˆ`N¨© KZ? K 0.154nm L 0.139 nm M 0.124 nm N 0.134 nm 185. ‡ebwRb P‡µ AbyiYb wK‡mi gva¨‡g Rvbv hvq? K GKK eÜb L wØeÜb M wÎeÜb N wmMgv eÜb 186. ‡ebwR‡bi wØe܇bi gvb A¨vwj‡dwUK †hŠ‡MiK Kg L †ewk M mgvbN gvSvgvwS 187. A¨vwj‡dwUK †hŠ‡Mi (C–C) GKK e܇bi gvb KZ? K 0.154nm L 0.154nm M 0.124nm N 0.134nm 188. A¨vwj‡dwUK †hŠ‡Mi (C=C) wØe܇bi gvb ZK? K 0.134nm L 0.154nm M 0.139 nm N 0.124 nm 189. ‡dbj wb‡Pi †Kvb ag© cÖ`k©b K‡i? K A¤øxqL ÿvixq M wbi‡cÿ N Dfagx© 190. ‡db‡ji RvZxq `ªeY‡K Kx e‡j? K Kve©wjK GwmW L Kve©wbK GwmW M A·vwjK GwmW N wcKwiK GwmW 191. ‡KvbwU‡K Kve©wjK GwmW e‡j? K †dbj L B_vbj M †n·vwbj N ‡cÖvcvbj 192. Kve©wjK Gwm‡Wi ms‡KZ †KvbwU? K R –OH L Ar–OH M R2 – OH N R3–OH 193. A¨vj‡Kvn‡ji ag© wb‡Pi †KvbwU? K A¤øxqL ÿvixq M wbi‡cÿ N Dfagx©q 194. wb‡Pi †KvbwU wbi‡cÿ? K wg_vbjL †dbj M wg_vb¨vj N B_vb¨vj 195. A¨v‡iv‡gwUK †hŠ‡M AvYweK AiweUvj †Kv_vq _v‡K? K ïay Dc‡i L ïay wb‡P M Dc‡i I wb‡P N gvSLv‡b 196. mvB‡K¬v‡cÖv‡cb Avq‡b B‡jKUªb KqwU _v‡K? K 2wU L 13wU M 10wU N 14wU 197. ‡ebwR‡bi B‡jKUª‡bi msL¨v KqwU? K 6wU L 7wU

| M 8wU N 9wU 198. wcwiwWi KqwU B‡jKUªb _v‡K? K 6wU L 10wU M 12wU N 14wU 199. b¨vc_vwj‡b B‡jKUªb msL¨vwU KqwU? K 10wU L 12wU M 14wU N 6wU 200. n¨v‡Kj ZË¡ Abymv‡i A¨vb_ªvwm‡b n Gi msL¨v KqwU? K 1wU L 2wU M 3wU N 4wU 201. b¨vc_vwj‡b (4n +2) gv‡bi Rb¨ n Gi msL¨v KqwU? K 3wU L 2wU M 4wU N 5wU 202. cvBij †nUv‡iv mvBwK¬K A¨v‡iv‡gwUK †hŠ‡M B‡jKUªb KZwU? K 6wU L 8wU M 4wU N 12wU 203. ‡ebwR‡b n¨v‡jv‡Rkb †Kvb ai‡bi wewµqv? K ms‡hvRb L cÖwZ¯’vcb M AcmviY N cwjgviKiY 204. Bw_b A‡cÿv †ebwRb K Kg ¯’vqx L †ewk ¯’vqx M Kg A¯’vqx N AwaK A¯’vqx 205. Bw_b ÿvixq KMnO4 `ªeY Øviv RvwiZ n‡q Kx Drcbœ K‡i? K MøvB A·vj L MøvBKj M UªvBAj N cwjAj 206. A¨vwj‡dwUK A¨vwgb A¨v‡iv‡gwUK A¨vwgb A‡cÿvK Kg ÿvixq L †ewk ÿvixq M Kg A¤øxq N †ewk A¤øxq 207. A¨vwj‡dwUK †hŠ‡M Kve©‡bi kZKiv cwigvYK †ewk _v‡K L Kg _v‡K M ga¨g _v‡K N A‡bK †ewk _v‡K 208. CH4 †hŠ‡M Kve©‡bi kZKiv cwigvY KZ? K 75% L 25% M 100% N 0% 209. A¨v‡iv‡gwUK ‡hŠ‡M C Gi kZKiv nviK k~b¨ L †ewk M Kg N ga¨g 210. C10H8 ‡hŠ‡M C-Gi kZKiv mshyw³ KZ? K 92.3% L 93.75% M 75% N 40% 211. A¨vwj‡dwUK nvB‡WªvKve©b wb‡Pi †Kvb ag© cÖ`k©b K‡i? K m¤ú„³ L Am¤ú„³ M DfqB N we‡kl Am¤ú„³ 212. Am¤ú„³Zv cÖ`k©b K‡i bv wb‡Pi †KvbwU? K A¨vjwKb L A¨vjKvBb M A¨vj‡Kb N †ebwRb 213. A¨vwj‡dwUK Am¤ú„³ ‡hŠ‡M †Kvb wewµqv N‡U? K ms‡hvM L cÖwZ¯’vcb M AcmviY N me¸‡jvB 214. A¨vj‡Kvn‡ji †ÿ‡Î wb‡Pi †KvbwU mwVKK bxj wjUgvm jvj K‡i L jvj wjUgvm bxj K‡i M ÿv‡ii mv‡_ wewµqv K‡i N ÿv‡ii mv‡_ wewµqv K‡i bv 215. ‡dbj ÿv‡ii mv‡_ wewµqv K‡i Kx Drcbœ K‡i? K jeY L GwmW M cvwb N jeY I cvwb 216. KMnO4 Gi eY© wb‡Pi †KvbwU? K jvj‡P †e¸wb L jvj‡P bxj M jvj‡P Kgjv N jvj‡P njy` 217. Br2 Gi eY© †Kgb? K jvj‡P ev`vwg L jvj‡P †e¸wb M jvj‡P bxj N jvj‡P njy` 218. ‡eqvi cixÿv wb‡Pi †KvbwUi Dcw¯’wZ‡Z N‡U? K GwmW L ÿvi M cvwb N avZz 219. ‡eªvwgb `ªeY cixÿv †KvwbUi Dcw¯’wZ‡Z N‡U?

| K CCl4 L Cl2 M GwmW N ÿvi 220. A¨vjwK‡bi nvB‡Wªv‡Rb ms‡hvRb wewµqvi cÖfveK †KvbwU? K Ni L Cl2 M Fe N Mo 221. B_vB‡bi mv‡_ cvwb H2SO4 I HgSO4 Dcw¯’wZ‡Z wb‡Pi †KvbwU Drcbœ nq? K B_vb¨vj L B_vbj M wg_vb¨vj N †cÖvcvbj 222. A¨vjKvB‡bi IRbxKiY wewµqvq †KvbwU Drcbœ nq? K A¨vjwWnvBW L wK‡Uvb M A¨vj‡Kvnj N GwmW 223. wb‡Pi †KvbwU U‡jb wewµqv †`q? K weDUvBb-1 L weDUvBb-2 M †c‡›Ub-1 N †c‡›Ub-2 224. A¨vjKvBb AYy‡Z nvB‡Wªv‡Rb wb‡Pi †Kvb avZz Øviv cÖwZ¯’vwcZ nq bv? K Na L Ag M Cu N Al 225. Wvq‡Rwbqvg jeY ˆZwi K‡i †KvbwU? K cÖvBgvwi A¨vwgb L Uviwkqvwi A¨vwgb M A¨vwj‡dwUK A¨vwgb N A¨v‡iv‡gwUK A¨vwgb 226. A¨vjwK‡bi IRbxKiY wewµqvq †Kvb †hŠM Drcbœ nq? K A¨vjwWnvBW L wd‡Uvb M A¨vjwWnvBW I wK‡Uvb N †K¬v‡ivdg© 227. A¨vjKvB‡b †Kvb ai‡bi eÜb we`¨gvb? K m¤ú„³ GKÎ eÜb L Am¤ú„³ GKK eÜb M m¤ú„³ wÎeÜb N Am¤ú„³ wÎeÜb 228. wb‡Pi †Kvb wbDwK¬IwdwjK weKviK bq? K OH– L CN+ M NH3 N CN– 229. SN wewµqv Kq cÖKvi? K 1 L 2 M 3 N 4 230. SN1 wewµqvi Rb¨ wb‡Pi †KvbwU mwVK? K wewµq‡Ki NbgvÎv L Drcv‡`i NbgvÎv M K I L N NbgvÎvi Dci wbf©i K‡i bv 231. SN2 wewµqvi Rb¨ †KvbwU mwVK? K wewµq‡Ki NbgvÎv L Drcv‡`i NbgvÎv M K I L N NbgvÎvi Dci wbf©i K‡i bv 232. ‡KvbwU †eªvwgb `ªeY cixÿv cÖ`k©b K‡i? K A¨vwj‡dwUK m¤ú„³ †hŠM L A¨vwj‡dwUK Am¤ú„³ †hŠM M A¨v‡iv‡gwUK †hŠM N mvBwK¬K †hŠM 233. mKj A¨v‡iv‡gwUK †hŠM? K m¤ú„³ L Am¤ú„³ M mywgó MÜ N `yM©Ühy³ 234. †KvbwU Wvqv‡Rwbqvg jeY Drcbœ K‡i? K A¨vwj‡dwUK cÖvBgvwi A¨vwgb L A¨v‡iv‡gwUK cÖvBgvwi A¨vwgb M A¨vwj‡dwUK †m‡KÛvwi A¨vwgb N A¨vwj‡dwUK Uviwkqvwi A¨vwgb 235. †KvbwU ÿvixq KMnO4 Øviv RvwiZ nq bv? K Bw_bL †cÖvwcb M weDwUb N †ebwRb 236. A¨v‡iv‡gwUK †hŠM cÖ`k©b K‡i †KvbwU? K B‡jK‡UªvwdwjK ms‡hvRb wewµqv L B‡jK‡UªvwdwjK cÖwZ¯’vcb wewµqv M wbDwK¬qwdwjK ms‡hvRb wewµqv N wbDwK¬qwdwjK cÖwZ¯’vcb wewµqv 237. †KvbwU AwaK ¯’vqx K L CH2 = CH2

| M CH3 - CH = CH2 N CH3 - CH2 - CH = CH2 238. Bw_b A‡cÿv †ebwRb AwaK ¯’vqx? K AbyiYb L A¨v‡iv‡gwUwmwU M mÂiYkxj B‡jKUªb N Am¤ú„³Zv 239. †KvbwU B‡jK‡UªvwdwjK ms‡hvRb wewµqv ‡`q? K †cÖv‡cb L weD‡Ub M †c‡›Ub N †cw›Ub 240. A¨vjwK‡bi ms‡hvRb wewµqvKv‡jK eÜb fv‡O L eÜb fv‡O M eÜb ˆZwi nq N I eÜb ˆZwi nq 241. A¨vjwK‡bi ms‡hvRb wewµqvq `vZv B‡jKUªb wn‡m‡e KvR K‡iK B‡jKUªb L B‡jKUªb M gy³‡Rvo B‡jKUªb N eÜb †Rvo B‡jKUªb 242. AcÖwZmg A¨vjwK‡bi ms‡hvRb wewµqvq Drcv` nqK GKwU L `yBwU M wZbwU N PviwU 243. B‡jKUªvdvBj (Z + ) hy³ nq gviKwbKf Abymv‡iK wØe܇b †h cv‡k Kve©b †ewk _v‡K L wØe܇bi †h cv‡k nvB‡Wªv‡Rb †ewk _v‡K M wØe܇bi †h cv‡k †eªvwgb †ewk _v‡K N wØe܇bi †h cv‡k nvB‡Wªv‡Rb Kg _v‡K 244. weÁvbx gviKwbKf wQ‡jbK iæk L Bswjk M divmx N wMÖK 245. weÁvbx Lvivm (1933) Gi cixÿvi Rb¨ cÖfveKK KMnO4 L H2SO4 M NaOH N H2O2 246. A¨vjwK‡bi I‡Rvb ms‡hvRb wewµqvq `ªveKK A¤øxqL ÿvixq M evdvi N wbw®Œq 247. A¨vjKvB‡bi ms‡hvRb wewµqv Kq av‡c m¤úbœ nq? K GK av‡c L `yB av‡c M wZb av‡c N Pvi av‡c 248. 248. A¨vjKvB‡bi I‡RvbvBW †hŠ‡Mi Av`ª© we‡køl‡Y Kx Drcbœ nq? K A¨vj‡Kvnj L wK‡Uvb M Kv‡e©vw·wjK GwmW N A¨vjwWnvBW 249. ‡Kvb †hŠMwUi I‡RvbxKiY †k‡l Av`ª©we‡køl‡Y GKB GwmW Drcbœ nq? K weDUvBb-1 L weDUvBb-2 M †cw›Ub-2 N †cw›Ub 1 250. †KvbwU cÖwZ¯’vcb wewµqv cÖ`k©b K‡i bv? K A¨vjwKb L A¨vjKvBb M †ebwRbN †Kv‡bvwUB bq 251. 2wU eÜb _vKv m‡Ë¡I A¨vjKvBb 1 Gi H avZz Øviv cÖwZ¯’vwcZ Kiv nq KviYK H wU nvB‡Wªv‡Rb eÜb MVb K‡i L H-wU A¤øagx© M H wU ÿviagx© N H wU‡Z †÷wiK cxob i‡q‡Q 252. ‡KvbwU wbDwK¬IdvBj? K HX L O3 M HOX N 253. wbDwK¬wdwjK cÖwZ¯’vcb wewµqv KZ cÖKvi? K `yB cÖKvi L wZb cÖKvi M Pvi cÖKvi N cuvP cÖKvi 254. SNl wewµqv mn‡R N‡UK 1 n¨vjvB‡Wi †ÿ‡Î L 2 n¨vjvB‡Wi †ÿ‡Î M 3 n¨vjvB‡Wi †ÿ‡Î N A‡cvjvi `ªve‡K 255. R¨vwgwZK MVb AcwiewZ©Z _v‡KK SN1 wewµqvq L SN2 wewµhvq M E1 wewµqvq N E2 wewµqvq 256. SN1 wewµqv †Kvb cÖK…wZi? K 3 RX2 RX 1 RX CH3–X L 2 RX1 RX 3 RX CH3–X M CH3–X 2 RX3 RX 1 RX N 3 RX CH3–X 2 RX 1 RX 257. SNl wewµqv †Kvb cÖK…wZi? NH3

| K cÖ_g µg wewµqvL wØZxq µg wewµqv M QÙ GK AvYweK wewµqv N Z…Zxq µg wewµqv 258. wØ-AvYweK wbDwK¬IwdwjK cÖwZ¯’vcb wewµqv (SN2) wbf©i K‡i wK‡mi NbgvÎvi Dci? K A¨vKvBj n¨vjvB‡Wi Dci L wbDwK¬Iwdwj‡Ki Dci M `ªve‡Ki Dci N A¨vjKvBj n¨vjvBW I wbDwK¬Iwdwj‡Ki Dci 259. A¨vjKvBj n¨vjvBW SN2 wewµqvi mwµqZv µgK 1 RX2 RX CH3X 3 RX L 2 RX1 RX 3 RX CH3X M CH3X 1 RX1 RX 3 RX N 3 RX2 RX 1 RX CH3–X 260. SN2 wewµqv AbywôZ nq KZ av‡c? K GK av‡c L `yB av‡c M wZb av‡c N Pvi av‡c 261. wØ-AvYweK cÖwZ¯’vcb wewµqv †Kvb µ‡gi? K cÖ_g µg L wØZxq µg M QÙ GK AvYweK N k~b¨ µg 262. wØ-AvYweK cÖwZ¯’vcb wewµqvi †ÿ‡Î †KvbwU N‡U? K Kv‡ev©K¨vUvq‡bi m„wó L RwUj Ae¯’vi m„wó M Kv‡ev©A¨vbvq‡bi m„wó N `yB av‡c m¤úbœ nIqv 263. KOH Gi Rjxq `ªe‡Y C2H5Cl Gi Av`ª© we‡kølY Drcbœ nq B_vbvj| GwU AbymiY K‡iK SNl L SN2 M E1 N E2 264. A¨vwj‡dwUK †hŠ‡Mi AcmviY wewµqv Kvi we‡kl ˆewkó¨c~Y© wewµqv? K A¨vwj‡dwUK A¨vjKvBb n¨vjvB‡Wi L A¨v‡iv‡gwUK A¨vjKvBj n¨vjvB‡Wi M A¨vwj‡dwUK wK‡Uv‡bi N A¨v‡iv‡gwUK wK‡Uv‡bi 265. A¨vwj‡dwUK AcmviY wewµqv‡K Kq fv‡M fvM Kiv hvq? K GK fv‡M L `yB fv‡M M wZb fv‡M N Pvi fv‡M 266. E1 wewµqv mnRZi nqK 1 n¨v‡jv‡R‡bv A¨vj‡K‡bi †ÿ‡Î L 2 n¨v‡jv‡R‡bv A¨vj‡K‡bi †ÿ‡Î M 3 n¨v‡jv‡R‡bv A¨vj‡K‡bi †ÿ‡Î N 4 n¨v‡jv‡R‡bv A¨vj‡K‡bi †ÿ‡Î 267. A¨vwj‡dwUK †hŠ‡Mi AcmviY wewµqvq Kx Drcbœ nq? K A¨vjwWnvBW L A¨vj‡Kvnj M A¨vjwKb N wK‡Uvb 268. GK AvYweK AcmviY wewµqvq Kx Drcbœ nq? K GK av‡c L `yB av‡c M wZb av‡c N Pvi av‡c 269. †KvbwU mwVK? K E1 wewµqv `ªve‡Ki Dci wbf©i K‡i L E1 wewµqvq cÖ_g avc `ªæZ nq M E1 wewµqvq wØZxq avc ax‡i nq N E1 wewµqv wewµqv 2 n¨v‡jv‡Rv‡bv A¨vj‡K‡bi †ÿ‡Î fv‡jv nq 270. wØ-AvYweK AcmviY wewµqvq A¨vj‡Kvnjxq ÿv‡ii cÖfv‡e H AcmvwiZ nq †Kvb Kve©b †_‡K? K -Kve©b †_‡K L - Kve©b †_‡K M -Kve©b †_‡K N -Kve©b †_‡K 271. A¨vwj‡dwUK AcmviY wewµqv m¤úbœ nqK A¤øxq ÿv‡ii cÖfv‡e L ÿvixq gva¨‡g M wbw®Œq gva¨‡g N A¨vj‡Kvnjxq ÿv‡ii cÖfv‡e 272. n¨v‡jv‡R‡bv A¨vj‡K‡bi n¨v‡v‡Rb I nvB‡Wªv‡Rb AcmviY bxwZ n‡jv K gviKwbK‡fi bxwZ L Lviv‡mi bxwZ M mvq‡R‡di bxwZ N Wvë‡bi bxwZ 273. †KvbwUi weKviK wn‡m‡e e¨envi Ki‡j SN2 wewµqv cÖvavb¨ cvq? K Zxeª A¤ø L g„`y A¤ø M Zxeª ÿviK N `ye©j ÿviK

| 274. weDwUb-2 weDwUb-1 mvBdv‡Ri bxwZ Abymv‡i †KvbwU Drcv` †ewk n‡e? K weDwUb-2 L weDwUb-1 M Drcv` mgvb n‡e N GKwU Drcv` n‡e 275. M¨vgvw·b Kvi evwYwR¨K bvg? K †ebwRbL mvB‡K¬v‡R‡·b M †ebwRb †n·v‡K¬vivBW N †eb‡Rv‡d‡bvb 276. ‡ebwRb + 3H2 mvB‡K¬v‡n‡·b GwU †Kvb ai‡bi wewµqv? K AcmviY wewµqv L ms‡hvRb wewµqv M cÖwZ¯’vcb wewµqvN cÖkgb wewµqv 277. ‡ebwRb + 3Cl2 M¨vgvw·b ev C6H6Cl6 wewµqvwU‡Z cÖfveK Kx? K AÜKvi L g„`y m~hv©‡jvK M cÖLi m~hv©‡jvK N K¤úb 278. ‡ebwR‡bi I‡RvbvBW Av`ª© we‡køl‡Y cvIqv hvqK GK AYy MøvBA·vj L wZb AYy MøvBA·vj M Qq AYy MøvBA·vj N bq AYy MøvBA·vj 279. GwU GKwUK B‡jK‡UªvwdwjK ms‡hvRb L B‡jK‡UªvwdwjK cÖwZ¯’vcb M wbDwK¬IwdwjK ms‡hvRb N wbDwK¬IwdwjK cÖwZ¯’vcb 280. A¨v‡iv‡gwUK †hŠ‡Mi B‡jK‡UªvwdwjK cÖwZ¯’vcb wewµqv m¤úbœ nqK GK av‡c L `yB av‡c M wZb av‡c N Pvi av‡c 281. Kv‡e©vK¨vUqb w¯’wZkxjZv AR©b K‡iK †i‡Rvb¨v‡Ýi gva¨‡g L B‡jKUªb Z¨v‡Mi gva¨‡g M †cÖvUb MÖn‡Yi gva¨‡g N †cÖvUb Z¨v‡Mi gva¨‡g 282. B‡jK‡UªvXvBj¸‡jv‡K cÖKvk Kiv nqK E + Øviv L E - Øviv M M+ Øviv N MØviv 283. A¨v‡iv‡gwUK †hŠ‡Mi B‡jK‡UªvwdwjK cÖwZ¯’vcb wewµqvqK A¨v‡iv‡gwUK Pwi‡Îi cwieZ©b nq L A¨v‡iv‡gwUK PwiÎ AcwiewZ©Z _v‡K M bZzb -e܇bi ˆZwi nq N †cÖvU‡bi ms‡hvM nq 284. B‡jK‡UªvwdwjK cÖwZ¯’vcb wewµqvi B‡jK‡UªvqvBj n‡q _v‡KK GKB cÖK…wZi L GKB MV‡bi M cÖK…wZ GKB MVb wfbœ N cÖK…wZ I MVb wewfbœ 285. A¨vjKvB‡jkb I A¨vmvB‡jk‡b cÖfveK wn‡m‡e e¨eüZ nq †KvbwU? K Abv`ª© AlCl3 L Av`ª© AlCl3 M NaAlO2 N Al2O3 286. ‡ebwR‡b wØZxq cÖwZ¯’vc‡Ki Rb¨ m¤¢ve¨ Ae¯’vb KqwU? K `yBwU L wZbwU M PviwUN cvuPwU 287. †ebwRb ej‡q cÖwZ¯’vcK Gi Ae¯’vb wbf©i K‡i wK‡mi Dci? K wØZxq cÖwZ¯’vc‡Ki cÖK…wZi Dci L cÖ_g cÖwZ¯’vc‡Ki cÖK…wZi Dci M `ªve‡Ki cÖK…wZi Dci N ZvcgvÎvi Dci 288. †ebwRb ej‡qi wb‡`©kK KZ cÖKvi? K `yB cÖKvi L wZb cÖKvi M Pvi cÖKvi N cuvP cÖKvi 289. ‡KvbwU A‡_v©-c¨viv wb‡`©kK? K – NO2 L – CHO M N – CN 2CH3 CHBr CH2 CH3 KOH(alc) 3 3 2 2 CH3 CH -CH CH-CH CH CH-CH - 2KBr H2O 200 C Ni cÖfveK OH H | CN | H HCN C O || C OCH3

| 290. – CH3 MÖæcwU †ebwRb ej‡qi Rb¨- K GKwU †gUv wb‡`©kK L GKwU Pµ wbw®ŒqKvix MÖæc M GKwU Pµ mwµqKvix MÖæc N GKwU B‡jKUªb DB_‡WªvBs MÖæc 291. ‡KvbwU †gUv wb‡`©kK? K L C6H5 – M – N(CH3)2 N R– 292. ‡ebwRb ej‡q A‡_v© I c¨viv Ae¯’v‡bi B‡jKUªb NbZ¡ e„w× K‡iK †gUv Ae¯’v‡b A‡_v© c¨viv wb‡`©k‡Ki Rb¨ L A‡_v© Ae¯’v‡b †gUv wb‡`©kK M B‡jKUªb DB_ WªvBs MÖæ‡ci wb‡`©kK N A‡_v© c¨viv MÖæc¸‡jv 293. –NO2 MÖæc GKwUK mwµqZv n«vmKvix MÖæc L wbw¯Œq MÖæc M mwµqZv e„w×Kvix MÖæc N A‡_v© wb‡`©kK 294. GLv‡b Kx? K L M N 295. DU©R wewµqvq Drcbœ Kx nq? K A¨vjwKb L A¨vj‡Kb M A¨vjKvBb N A¨vj‡Kvnj 296. DU©R wewµqv Øviv Drcbœ A¨vj‡K‡bi Kve©‡bi msL¨v n‡eK wewµq‡Ki Kve©b msL¨vi mgvb L wewµq‡Ki Kve©b msL¨vi wظb M wewµq‡Ki Kve©b msL¨vi A‡a©K N wewµq‡Ki Kve©b msL¨vi wZb¸Y 297. wWKve©w·‡jk‡b Drcbœ A¨vj‡K‡bi Kve©b msL¨v nqK wewµq‡Ki Kve©b msL¨v n‡Z GK Kve©b Kg L wewµq‡Ki Kve©b msL¨v n‡Z GK Kve©b †ewk M wewµq‡Ki Kve©b msL¨vi mgvb N wewµq‡Ki Kve©b msL¨vi A‡a©K 298. wWKvw·‡jk‡b cÖfveK wn‡m‡e _v‡KK Zn.Hg L Pt M Ni N CaO 299. A¨vj‡K‡bi E Gi g‡a¨ Mvp H2SO4 cÖ‡ek Ki‡j Kx Drcbœ nq? K A¨vjwKb L A¨vj‡Kb M A¨vjKvBb N †Kv‡bv wewµqv n‡e bv 300. A¨vj‡Kb mvaviYfv‡e cwiwPZ Kx bv‡g? K _v‡qvwdb L A¨v‡Rvwdb M c¨vivwdb N I‡Rvb 301. DU©R wewµqvq cÖfveK wn‡m‡e _v‡KK ﮋ B_vi, Zvc L wb‡Kj, Zvc M cøvwUbvg, Zvc N Mvp, H2SO4, Zvc 302. A¨vj‡K‡bi mvaviY ms‡KZ †KvbwU? K CnH2n–2 L CnH2n+1 M CnH2n+2 N CnH2n 303. A¨vj‡Kb †Kvb ai‡bi nvB‡WªvKve©b? K A¨v‡iv‡gwUK L A¨vwj‡dwUK M Am¤ú„³ N me¸‡jv 304. ‡KvbwU A¨vj‡K‡bi m`m¨? K C7H16L C17H36 M C18H38 N me¸‡jv 305. cÖvK…wZK M¨v‡m wg‡_‡bi cwigvY KZ? K 60-70% L 80-90% M 100%N 70-80% 306. †c‡Uªvwjqv‡gi cÖavb Dcv`vb †KvbwU? K A¨vj‡Kb L A¨vjwKb M A¨vjKvBb N B_vi 307. A¨vj‡K‡bi †Kvb ˆewk‡ó¨i Kvi‡Y cvwb‡Z A`ªeYxq? K DØvqx L m¤ú„³ †hŠM M A‡cvjvi N ‡cvjvi 308. A¨vjwK‡bi mvaviY ms‡KZ †KvbwU? K CnH2n+2 L CnH2n M CnH2n–1 N CnH2n+1X X 2 3 150 180 R CH CH2 H2 R CH CH A H2SO4 H2O2 CH3COOH Ni

| 309. R–CH2–CH2–X + KOH R– CH=CH2+KX+H2O wewµqvwU‡Z cÖfveK wn‡m‡e KOH Gi cÖK…wZK A¨vj‡Kvnjxq L A¤øxq M wbw¯Œq N wbi‡cÿ 310. A¨vj‡Kvn‡ji wbiæ`b c×wZ‡Z Drcbœ A¨vjwKb Kve©b msL¨v n‡eK wewµq‡Ki Ke©b msL¨vi mgvb L wewµq‡Ki Kve©b msL¨vi wظY M wewµq‡Ki Kve©b msL¨vi A‡a©K N wewµq‡Ki Kve©b msL¨vi wZb¸Y 311. R – CH2 – CH2OH + H2SO4 R=CH = CH2 + (H2SO4.H2O) wewµqvwU‡Z Mvp H2SO4 GKwUK wbiæ`K L wbw®Œq †hŠM M wbi‡cÿ †hŠM N `k©K Avqb 312. †eqvi cixÿvi gva¨‡g Kx wbY©q Kiv nq? K Am¤ú„³Zv L m¤ú„³Zv M A¨vj‡Kvn‡ji Dcw¯’wZ N A¨vjwWnvB‡Wi Dcw¯’wZ 313. R - CH = CH2 + Br2 R - CHBr - CH2Br wewµqvwU‡Z e‡Y©i Kx cwieZ©b n‡e? K jvj‡P ev`vwg eY© †Mvjvcx eY© nq L jvj‡P ev`vwg eY© `ªexf~Z nq M jvj‡P ev`vwg eY© †e¸wb eY© nq N jvj‡P ev`vwg eY© Mvp jvj nq 314. †eqvi cixÿvi cÖfveK wn‡m‡e e¨eüZ nq Kx? K 2% KMnO4 L 50% KMnO4 M 2% H2SO4 N 2% NaOH 315. A¨vjwKb †Kvb wewµqvq A¨vj‡Kb G cwiYZ nq? K RviYL cwigvKiY M ms‡hvRb N mgvYyKiY 316. A¨vjKvB‡bi mvaviY ms‡KZ †KvbwU? K CnH2n+2 L CnH2n–2 M CnH2n+2 N CnH2n+1X 317. wfwmbvj WvBn¨vjvBW‡K wW-nvB‡Wªvn¨v‡jvwR‡bkb Ki‡j Kx Drcbœ nq? K A¨vjwKb L A¨vj‡Kb M A¨vjKvBb N A¨vj‡Kvnj 318. wewµqvwU‡Z KOH Gi cÖK…wZ n‡eK A¨vj‡Kvnjx L A¤øxq M A¨vjKvBb N wbi‡cÿ 319. ‡mvwWqvg A¨vjKvbvBW‡K Av`ª©we‡kølY Ki‡j Drcbœ nqK A¨vjwKb L A¨vj‡Kb M A¨vjKvBb N A¨vj‡Kvnj 320. ‡KvbwU A¨vjKvBb kbv³KiY cixÿvK WvB A¨vgwgb wmjfvi (I) bvB‡UªU `ªeY cixÿv L †dBwjs `ªeY cixÿv M U‡jb weKviK cixÿv N †dbd_¨vwjb `ªeY cixÿv 321. ‡KvbwU‡Z A¤øagx© –H cvIqv hvqK weDU-1 AvBb L weDU -2 AvBb M ‡cw›Ub-2-Bb N †c›UvBb-3 322. A+ 2KCl + H2O wewµqvwU‡Z A Kx n‡e? K RCH =CH2 L R– C CH M R –– CH2 – CH2 – OH N RCH2 – OH 323. mvaviY ZvcgvÎvq A¨vjKvB‡bi †Kvb m`m¨¸‡jv Zij Ae¯’vq _v‡K? K C1 - C4 L C5 - C11 Zvc Zvc CCl 4 KOH(atc) Br | CH Br | R CH 2 Zvc KBr H O Br | R CH CH 2 2KOH(alc) X | X | R CH2 CH Zvc

| M C12 - C18 N C18 - C30 324. A¨vwmwUwjb weï× weï×Ki‡Y e¨eüZ nq †KvbwU? K CuSO4 L Na2SO4 M MgSO4 N H3PO4 325. ‡KvbwU A¨vjKvBj n¨vjvBW Gi mvaviY ms‡KZ? K CnH2n+1OH L C nH2n–2 M CnH2n+1X N C nH2n 326. n¨v‡jv‡R‡bi mv‡_ A¨vj‡K‡bi wewµqv µg †KvbwU? K Uviwmqvwi A¨vj‡Kb > †m‡KÛvwi A¨vj‡Kb > cÖvBgvwi A¨vj‡Kb L †m‡KÛvwi A¨vj‡Kb cÖvBgvwi A¨vj‡Kb Uviwkqvwi A¨vj‡Kb M †m‡KÛvwi A¨vj‡Kb > cÖvBgvwi A¨vj‡Kb > Uviwkqvwi A¨vj‡Kb N Uviwkqvwi A¨vj‡Kb > cÖvBgvwi A¨vj‡Kb > ‡m‡KÛvwi A¨vj‡Kb 327. R–CH2–OH+HCl R–CH2–Cl+H2O wewµqvwU‡Z cÖfveK wn‡m‡e A Kx n‡e? K Abv`ª© ZnCl2 L Av`ª© ZnCl2 M A¤øxq ZnCl2 N ÿvixq ZnCl2 328. R–CH3–OH + HCl R– CH2–Cl + H2O wewµqvwU‡Z Abv`ª© ZnCl2 GKwUK jyBm GwmW L jyBm †em M wbiæ`KN wbw¯Œq ‡hŠM 329. †KvbwU A¨vjKvBj n¨vjvBW kbv³KiY cixÿv? K †dnwjs `ªeY cixÿv L U‡jb weKviK cixÿv M Kvwe©j A¨vwgb cixÿv N †eqvi cixÿv 330. Kvwe©j A¨vwgb cixÿvq m„ó A¨vjKvBj AvB‡mv-mvqvbvBW cÖK…wZ †Kgb? K wgwó MÜhy³ L `yM©Ühy³ M SuvSv‡jv MÜhy³ N MÜnxb 331. Kvwej A¨vwgb cixÿvi wi‡q‡R›U Kx? K AgNO3 L Ag2(SO4) M AgCN N Ag(OH) 332. R–OH + SOCl2 R–Cl + B(g)+ HCl(g) wewµqvwU‡Z Drcv` wn‡m‡e B Kx cvIqv hvq? K H2SO4 L SO3 M SO2 N S 333. Kÿ ZvcgvÎvq †KvbwU Zij? K CH3F L CH3Cl M CH3Br N CH3I 334. A¨vjKvBj n¨vjvB‡Wi mv‡_ †KvbwUi wewµqvq Kve©b wkKj e„w× Kiv hvq? K KClL KCN M CaCO3 N CaNO3 335. A¨vivBj n¨vjvB‡Wi mvaviY ms‡KZ †KvbwU? K Ar - X L R - X M CnH2n+2 N Ph -Na 336. A¨vivBj n¨vjvBW cÖ¯‘wZ‡Z †ebwRb †_‡K n¨v‡jv‡R‡bi mv‡_ wewµqv K‡i cÖfveK wn‡m‡e e¨eüZ nqK Mvp H2SO4 L jNy H2SO4 M jyBm GwmW (AlCl3.FeBr3) N Pt 337. wewµqvwU‡Z cÖfveK wn‡m‡e Kx e¨eüZ nq? K ﮋ B_vi L Av`ª© B_vi M Mvp H2SO4 N jNy H2SO4 338. D.D.T Kx? K 4,4 WvB-†K¬v‡iv WvBwdbvBj UªvB‡K¬v‡ivB‡_b L 2,2 WvB-†K¬v‡iv WvBwdbvBj UªvB‡K¬v‡ivB‡_b M 4.4 WvB-†K¬v‡iv WvBwdbvBj UªvB‡K¬v‡iv †ebwRb N 4.4 WvB-‡d¬v‡iv WvBwdbvBj UªvB‡K¬v‡ivB‡_b 339. D.D.T e¨eüZ nq Kx wn‡m‡e? K RxevYybvkK I KxUbvkK L RxevYybvkK I Ny‡gi M KxUbvkK I †MÖv_ †cÖvgUi N KxUbvkK I AvMvQvbvkK A Abv`ª© ZnCl2 R 2NaX A X 2Na X R

| 340. GwU †Kvb wewµqv? K B‡jKUªb AvKl©x ms‡hvRb L B‡jKUªb AvKlx© cÖwZ¯’vcb M wbDwK¬qvm AvKlx© ms‡hvRb N wbDwK¬qvm AvKlx© cÖwZ¯’vcb 341. A¨vivBj n¨vjvB‡Wi †ebwRb P‡µi C cigvYymg~n †Kvb msKi‡Y msKwiZ _v‡K? K sp L sp2 M sp3 N dsp2 342. ; wewµqvq A †hŠMwU Kx? K A¨vjKvBj †ebwRb L †mvwWqvg wd‡bU M †ebwRb N †K¬v‡iv †ebwRb 343. DU©R wdwUM wewµqvi cÖfveK †KvbwU? K Al2O3 L ZnCl4 M P2O5 N B_vi 344. †KvbwU mn‡R †K›`ªvKl©x cÖwZ¯’vcb wewµqv †`q bv? K C3H7X L C4H9X M C5H11X N C6H5X 345. A¨vj‡Kvn‡ji Kvh©Kix g~jK †KvbwU? K – OH L – CHO M – COOH N – COOR 346. A¨vjKvBj n¨vjvB‡Wi Av`ª© we‡køl‡Y wK Drcbœ nq? K Kve©w·wjK GwmWL A¨vjwWnvBW M A¨vj‡Kvnj N wK‡Uvb 347. G÷v‡ii Av`ª© we‡kølY Drcbœ nq †KvbwU? K Kve©w·wjK GwmWL wK‡Uvb M A¨vj‡Kvnj N B_vi 348. R–COOH +4 [H] R–CH2OH + H2O wewµqv‡Z LiAlH4 †Kvb cÖK…wZi? K RviKL weRviK M wbw®ŒqN wbi‡cÿ 349. †KvbwU A¨vj‡Kvnj Drcv`‡bi Kvh©Kix mvaviY c×wZ? K A¨vjKvBj n¨vjvB‡Wi Av`ª© we‡kølY L G÷v‡ii Av`ª© we‡kølY M A¨vjwK‡bi cvwb ms‡hvRb N wMÖMbvW© weKviK c×wZ 350. †KvbwU A¨vj‡Kvn‡ji kbv³KiY c×wZ? K †dnwjs `ªeY c×wZ L U‡jb weKviK c×wZ M Na- avZz cixÿv N †eqvi cixÿv 351. wK‡Uv‡bi mv‡_ wMÖMbv‡W©i wewµqvq Drcbœ nq †KvbwU? K 1-A¨vj‡Kvnj L 2-A¨vj‡Kvnj M 3-A¨vj‡Kvnj N A¨vjwWnvBW 352. A¨vj‡Kvn‡ji kbv³Ki‡Yi Av‡qv‡Wvdg© cixÿvq Drcbœ Drcv‡`i eY© n‡eK †MvjvcxL mv`v M njy` N ev`vwg 353. digvjwWnvB‡Wi mv‡_ wMÖMbv‡W©i wewµqvq Drcbœ A¨vj‡Kvn‡ji cÖK…wZK 1-A¨vj‡Kvnj L 2-A¨vj‡Kvnj M 3-A¨vj‡Kvnj N wgkª A¨vj‡Kvnj 354. `yB ev Z‡ZvwaK Kve©bwewkó A¨vjwWnvB‡Wi mv‡_ wewµqvq Drcbœ nq †KvbwU? K wgkÖ A¨vj‡Kvnj L 1 A¨vj‡Kvnj M 2 A¨vj‡Kvnj N 3 A¨vj‡Kvnj 355. †Kvb A¨vj‡KvnjwU me‡P‡q `ªæZ wewµqv †`q? K 3-A¨vj‡Kvnj L 2-A¨vj‡Kvnj M 1-A¨vj‡Kvnj N wgkª A¨vj‡Kvnj 356. 2 A¨vj‡Kvnj ; X †hŠ‡Mi ms‡KZ †KvbwU? K C2H5COOH L CH3COOCl M CH3COCH3 N CH3COOH 357. ‡KvbwU Øviv A¨vj‡Kvn‡ji cv_©K¨ wbY©q Kiv hvq? K Mvp HCl + ZnCl2 L Mvp H2SO4+ZnCl2 M Mvp HNO3+ZnCl2 N HCl + ZnCl2 X X X X FeX X X 3 2 RX Na A X LiAlH 4 X H2 Cu 300 C

| 358. ‡KvbwU B_v‡ii Kvh©Kix g~jK? K CnH2n+1OH L – COOR M N 359. A¨vwj‡dwUK B_v‡ii mvaviY ms‡KZ †KvbwU? K CnH2n+1OH L CnH2n+2X M CnH2n+2O N CnH2n+1COOH 360. 2R–OH wewµqvwU‡Z Mvp H2SO4 Gi Kvh©µg †KvbwU? K wbiæ`K L †cÖvUb `vZv M – OH MÖnY N wbw¯Œq 361. ‡KvbwU B_vi ms‡køl‡Yi c×wZ? K DwU©R wdwUM c×wZ L †Kve ms‡kølY c×wZ M DBwjqvgmb ms‡kølY c×wZ N wMÖMbvW© ms‡kølY c×wZ 362. C4H10OAvYweK ms‡K‡Z KZwU B_vi mgvYy Av‡Q? K 2 L 3 M 4 N 1 363. B_vi KZ cÖKvi? K 1 L 2 M 3 N 4 364. A‡¯v¿vcvPv‡i †PZbvbvkKi~‡c †KvbwU e¨envi Kiv nq? K A¨vj‡Kvnj L B_vi M GwmW N †dbj 365. ‡KvbwU Kve©bvBj g~j‡Ki MvVwbK ms‡KZ? K L M N 366. Kve©bvBj ( ) g~j‡Ki GK cÖv‡šÍ H Ges Aci cÖv‡šÍ H/R/Ar hy³ n‡j Zv‡K Kx e‡j? K wK‡Uvb L A¨vjwWnvBW M GwmW N A¨vj‡Kvnj 367. ‡KvbwU A¨vjwWnvB‡Wi Kvh©Kix g~j‡Ki ms‡KZ? K –CHO L M R – COOH N – COOH 368. –CHO MÖæc‡K ejv nqK digvBk MÖæc L Kve©vBj MÖæc M digvBj MÖæc N wK‡Uv MÖæc 369. A¨vjwWnvBW MÖæc ‡ebwR‡bi mv‡_ hy³ n‡j †hŠMwU‡K Kx e‡j? K †dbj L †eb‡RvwqK GwmW M †ebRvjwWnvBW N †eb‡Rv‡d‡bvb 370. ‡Kvb cÖwµqvq A¨vjwWnvBW cÖ¯‘Z Kiv hvq bv? K nvB‡Wªv‡Rb AcmviY L A¨vj‡Kb †_‡K M A¨vjwKb †_‡K N A¨vj‡Kvn‡ji RviY 371. wb‡Pi †KvbwU KwjÝ weKviK (Collin’s reagen)? K Cu(OH)2 L [Ag(NH3)2]OH M Na–Hg N (C6H5N)2CrO3 372. K2Cr2O7+H2SO4 K2SO4+A+H2O+[O]; A †hŠMwU n‡jv K Cr(OH)3 L Cr(H2O)3 M Cr2(SO4)3 N Cr3+ 373. A¨vj‡Kvn‡ji RviY cÖwµqvwU †Kvb ai‡bi A¨vjwWnvBW cÖ¯‘wZ‡Z e¨envi nq? K wb¤œ Mjbv¼ wewkó L D”P Mjbv¼ wewkó M wb¤œ Mjbv¼ wewkó N D”P ùzUbv¼ wewkó 374. KwjÝ weKvi‡Ki mvnv‡h¨ cÖvBgvwi A¨vjwWnvBW cÖ¯‘wZ‡Z `ªveK wn‡m‡e e¨envi nh? K CHCl3 L CH2Cl2 M Dry ether N Al2O3 375. 375. wewµqvwU KZ ZvcgvÎvq m¤úbœ nq? K 250CL 270C M 300CN 450C | | O C | | C O || C R OR H O 140 C H SO 2 2 4 (Mvp) H O || C O H O || C C O OH H || C C O O || C 2 Ar CHO H2 Cu Ar CH OH

| 376. A¨vjwWnvBW cÖ¯‘wZi †Kvb cÖwµqvwU wk‡í e¨envi n‡q _v‡K? K ˆRe Gwm‡Wi K¨vjwmqvg jeY †_‡K L A¨vjKvBb †_‡K M A¨vj‡Kvn‡ji RviY N nvB‡Wªv‡Rb AcmviY 377. A¨vjKvBb †_‡K A¨viwWnvBW cÖ¯‘wZ‡Z cÖ‡qvRbK 2% HgSO4 L 20% H2SO4 M 70-80C ZvcgvÎv N me¸‡jv 378. wb‡Pi †KvbwUi mv‡_ IRb (O3) †Kv‡bv wewµqv †`q bv? K A¨vj‡Kb L A¨vjwKb M Am¤ú„³ †hŠM N A¨vjKvBb 379. A¨vj‡K‡bi mv‡_ O3 Gi wewµqvq Drcbœ †hŠMK R – CHO L R – CHO M H2O2 N me¸‡jv 380. (CH3COO)2 Ca + (H–COO)2Ca A + CaCO3, A ‡hŠMwUK Ca(OH)2 L CH3COOH M CH3CHO N HCHO 381. †Kvb c×wZi mvnv‡h¨ A¨vjwWnvBW kbv³ Kiv nq? K †e‡bwWKU `ªe‡Yi mvnv‡h¨ L RviY wewµqvi mvnv‡h¨ M Kve©b weRviY c×wZ‡Z N Kvwe©j A¨vwgb cÖwµqvq 382. †Kvb cixÿvq wmjfvi (Ag) `c©‡Yi Aat‡ÿc c‡o? K †dnwjs `ªeY L U‡jb weKviK M †e‡bwWKU `ªeY N me¸‡jv 383. Cu2O [Kcvi A·vBW (I)] Gi eY© †Kgb? K Kvj‡P ev`vwg L jvj‡P ev`vwg M jvj‡P meyR N ev`vwg bxj 384. †mvwWqvg cUvwmqvg Uvi‡Uª‡Ui ms‡KZ Kx? K NaOOC - (CHOH)2 - COOK L NaOOC - (CHOH)2 COONa M NaKOC (CHOH)2 COOH N [Ag(NH3)2]OH 385. wb‡Pi †KvbwU U‡jb weKviK? K NaOOC - (CHOH)2 - COOK L NaOOC - (CHOH)2 COONa M NaKOC (CHOH)2 COOH N [Ag(NH3)2]OH 386. Ò‡ivRbgvÛ weRviYÓ wewµqvi cÖfveK †KvbwU? K Pd/BaSO4 L 2% HgSO4/20 H2SO4 M Fe/P2O5 N CaO/Al2O3 387. Ò‡iv‡RbgvÛ weRviYÓ wewµqvi Øviv †Kvb †hŠMwU Drcbœ Kiv nq? K A¨vjwWnvBW L wK‡Uvb M A¨vj‡Kvnj N B_vi 388. wb‡Pi †KvbwU FYvZ¥K cÖfveK? K Pd L BaSO4 M Fe N Ni 389. digvwjb wg_vb¨v‡ji cwigvY KZ? K 20-30% L 30-40% M 20-40% N 40-50% 390. wb‡Pi †KvbwU digvwj‡bi e¨envi? K AwMœ wbe©vcK L †PZbvbvkK M RxevYybvkK N KxUbvkK 391. wb‡Pi †KvbwU mwµqZvi mwVK µg? K CH3COC2H5 > CH3COCH3 > CH3CHO L C2H5COC2H5 > CH3–CO–CH3 > CH3 – CO–H M CH3 - CHO > HCHO > CH3COCH3 N H - CHO > CH3 CHO > CH3–CO– CH3 392. n¨v‡jvdig wewµqvq †Kvb †hŠMwU Drcbœ nq? K CH3I L CH3Br M CHI3 N KOH 393. CH3 CHO Ges CH3 COCH3 Gi g‡a¨ cv_©K¨ m~PK cixÿvq e¨eüZ nqK K2Cr2O7/H+ L 2,4-DNP Zvc

| M [Ag(NH3)2] + N PCl3 394. wb‡Pi †Kvb †hŠMwU A¨vjWj wewµqv †`q? K H - CHO L C6H5 - CHO M CH3CHO N (CH3)3C - CHO 395. ‡Kvb †hŠMwU Av‡qv‡Wvdig wewµqv †`q bv? K wg_vb¨vj L B_vb¨vj M B_vbj N A¨vwm‡Uvb 396. wmd-ÿviK Drcbœ nq wb‡Pi †Kvb c`v_© †_‡K? K CH3 CHO + NH2OH L CH3 COCH3 + NH3 M C6H5 - CHO + CH3 NH2 N HCHO + NH3 397. wK¬‡gbmb weRviB wewµqvwU wb‡Pi †KvbwUi †ejvq mwVK n‡e bv? K B_vb¨vj †_‡K B‡_b L †cÖvcv‡bvb †_‡K †cÖv‡cb M †ebRvwìnvBW †_‡K UjyBb N B_vbwqK GwmW †_‡K B_vbj 398. wb‡Pi †Kvb †hŠMwU K¨vwbRv‡iv wewµqv †`q? K CH3 CH2 - CHO L (CH3)2 CH - CHO M C6H5 - CHO N CH3 - CHO 399. 2 A¨vj‡Kvn‡ji mv‡_ K2Cr2O7 I H2SO4- Gi wewµqvq †KvbwU Drcbœ nq? K 2 A¨vwgb L A¨vjwWnvBW M wK‡Uvb N A¨vj‡Kb 400. Kve©wbj g~j‡Ki AvKvi wKiƒc? K PZz¯ÍjKxq L wcivwgW M mij‰iwLK N mgZjxq w·KvYvKvi 401. 2,4-DNPH-Gi eY© Kxi~c? K mv`v L njy` M †mvbvjxN eY©nxb 402. CH3 CH2CHO, CH3CHO, CH3CO CH3 †hŠM¸‡jvi †ÿ‡Î †KvbwU mwVK? K A¨vjWj Nbxfeb wewµqv †`q L K¨vwbRv‡iv wewµqv †`q M Av‡qv‡Wvdig wewµqv †`q N 2, 4 DNPH Gi mv‡_ Kgjv ev njy` Aat‡ÿc †`q 403. A¨vjwWnvBW‡K RviY Ki‡j †KvbwU Drcbœ nq? K A¨vwmW L A¨vj‡Kvnj M B_viN wK‡Uvb 404. Kve©wbj g~j‡Ki †hvRbx KZ? K 1 L 2 M 3 N 4 405. wb‡Pi ‡Kvb wewµqvwU mwVK bq? K L M N 406. wb‡Pi †KvbwU wK‡Uv‡bi mvaviY ms‡KZ? K CnH2nOH L CnH2n+1O M CnH2nO N CnH2n+2O 407. wK‡Uv‡bi mvaviY ms‡KZ †Z Gi gvb b~¨bZg KZ n‡Z n‡e? K 1 L 2 M 3 N = 0,1,2..... 408. wØ-†hvRx Kve©wbj g~jK ( ) Gi Dfq †hvRbx hw` GKB ev wfbœ A¨vjKvBj ev A¨vivBj g~jK Øviv hy³ n‡j MwVZ †hŠM‡K Kx e‡j? K A¨vjwWnvBW L wK‡Uvb M B_vi N A¨vj‡Kvnj 2CH OH 100atm 250 C,Cu 2CH (g) O (m) 4 2 3 2HCHO 2H O 500 C,Ag 2CH OH O (g) 3 2 2 2HCHO 2H O 100 C, Ag 2CH O H O (g) 3 2 2 2Ca HCHO CaCO3 (HCOO) CnH2nO n n C O

| 409. 409. A+ H2O Drcbœ A †hŠMwUi bvg Kx? K †cÖvcvb¨vj L †cÖvcv‡bvb M weDUv‡bvb N B_v‡bvb 410. 410. CH3–CO–CH3 + H2O wewµqvwU KZ ZvcgvÎvq N‡U? K 250CL 350C M 400CN 300C 411. 411. wewµqvwU‡Z A †hŠMwU n‡jvK 3 A¨vj‡Kvnj L 2 A¨vj‡Kvnj M wK‡Uvb N 1 A¨vj‡Kvnj 412. 412. + CaCO3 wewµqvwU‡Z Gi cwie‡Z© wb‡j Drcbœ †hŠM Kx n‡Zv? K CH3 - CHO L CH3 - CO - CH3 M H - CHO N H - COOH 413. wK‡Uvb cÖ¯‘wZi mvaviY c×wZ bq †KvbwU? K ˆRe GwmW n‡Z L 3 A¨vj‡Kvnj n‡Z M nvB‡Wªv‡Rb Acmvi‡Yi gva¨‡g N ˆRe Gwm‡Wi Ca jeY n‡Z 414. wb‡Pi †Kvb cÖwµqvq wK‡Uvb kbv³ Kiv nq? K †dBwjs `ªeY L U‡jb weKviK M 2, 4- DNPH N †e‡bwWKU `ªeY 415. wK‡Uv‡bi †ejvq cÖ‡hvR¨ bq? K Kve©bvBj g~jK Av‡Q L `ywU A¨vivBj g~jK Av‡Q M `ywU A¨vj‡Kvnj g~jK Av‡Q N Kvev©bvBj g~jK H _v‡K 416. A¨vwm‡Uvwd‡bvb Gi ms‡KZ †KvbwU? K L M N 417. 417. + HCl wewµqvq A †hŠMwU Kx? K L M N 418. 418. ; X †hŠMwUi ms‡KZ Kx? K CH3 – CHO L CH3COOH M CH3COCH3 N Ca(OH)2 419. n¨v‡jvdig wewµqvq †Kvb n¨v‡jv‡RbwU Drcbœ nq bv? K CHF3 L CHCl3 M CHBr3 N CHI3 420. †jgb Nv‡mi myMwÜ Dcv`vb mvBUªvj †Kvb †hŠ‡Mi D`vniY? K - OH L M - NH2N RX 421. wb‡Pi †KvbwU wK‡Uvb bq? K L M N CH3 – CHO 2 4 2 2 7 3 3 H SO K Cr O CH CH(OH) CH [O] Cu/ Ag CH3 CH(OH) CH3 CH CO CH H O 300 C Cu A 3 3 2 (R COO) 2CaR CO R R H H O || C C2H5 O || C O CH3 O || C O || C AlCl O || "A"Cl C 3 Cl OHCOH 3 2Ca X CaCO3 (CH COO) C O 3 CH3 O || CH C C Cl O || CH3 C O

| 422. wb‡Pi †KvbwU Kve©w·wjK g~j‡Ki mvaviY ms‡KZ? K CnH2n+1COOH L CnH2nCOOH M CnH2n–2COOH N CnH2n+2COOH 423. A¨vwj‡dwUK Kve©w·wjK GwmW‡K ejv nqK wgbv‡ji GwmW L ˆRe GwmW M d¨vwU GwmW N me¸‡jv 424. wf‡bMv‡i B_vqwbK Gwm‡Wi cwigvY KZ? K 4-8% L 4-10% M 6-10% N 6-12% 425. weï× I Abv`©ª A¨vwmwUK GwmW 16.7C ZvcgvÎvq R‡g Zzlv‡ii b¨vq mv`v AvKvi aviY Ki‡j G‡K Kx e‡j? K weï× A¨vwmwUK GwmW L Abv`©ª A¨vwmwUK GwmW M wgbv‡ji A¨vwmwUK GwmW N Møvwmqvj A¨vwmwUK GwmW 426. KZ ZvcgvÎvq A¨vwmwUK GwmW Zzlv‡ii b¨vq mv`v AvKvi aviY K‡i? K 100C L 19C M 16.7C N 18.5C 427. Kve©w·wjK Gwm‡Wi Kvh©Kix g~jK †KvbwU? K L M N 428. Kve©w·wjK MÖæc wK‡Uvb ev A¨vj‡Kvn‡ji ag© cÖ`k©b K‡i bv KviYK cÖK…wZ Kve©wbj MÖæc †bB L MÖæc †bB M MÖæc †bB N me¸‡jvB 429. Kve©w·wjK Gwm‡Wi D”PZi m`m¨¸‡jvi ( C10) †fŠZ ag© ‡Kvb cÖK…wZi? K KwVb L Zij M M¨vm N cøvRgv 430. Kve©w·wjK GwmW GKwU GwmW KviY? K bxj wjUgvm‡K jvj K‡i L Rjxq `ªe‡Y H + `vb K‡i M †i‡Rv‡bÝ KvVv‡gv †`q N me¸‡jv 431. wb‡Pi PviwU ˆRe Gwm‡Wi g‡a¨ †KvbwU me‡P‡q `ye©j GwmW? K H–COOH L CH3COOH M ClCH2COOH N Cl2CHCOOH 432. Møvwmqvj A¨vwmwUK GwmW Kx? K 99.5% weï× B_vbwqK GwmW L 40-50% B_vbwqK GwmW M 6-10% B_vbwqK GwmW N 10% B_vbwqK GwmW 433. ‡KvbwU d¨vwU GwmW? K L CH3COOH M H2N–CH2–COOH N H2SO4 434. †KvbwU A¨v‡iv‡gwUK Kve©w·wjK GwmW? K A·vwjK GwmW L B_v‡bvwqK GwmW M m¨vw·wb· GwmW N †eb‡RvwqK GwmW 435. MVb Abymv‡i Kve©w·wjK GwmW KZ cÖKvi? K 2 L 3 M 4 N 5 436. wkí‡ÿ‡Î weï× B_v‡bvwqK GwmW Drcbœ Kiv nq †KvbwU †_‡K? K A¨vj‡Kvnj L A¨vjwWnvBW M B_vBb N A¨vwgb 437. D”PZi d¨vwU GwmW cÖ¯‘wZi mvaviY cÖYvwj †KvbwU? K H O || C OH O || C O R O || C NH2 O || C OH CO COOH O OR H O O || R C 2 HCl OH R OH O || R C

| L M N 438. wf‡bMvi ˆZwi‡Z †Kvb e¨vK‡Uwiqv mnvqZv K‡i? K WvqvUg L Wvqv‡÷R M gvB‡KvWvg©v A¨vwmwU N b÷K 439. cvB‡ivwjMwbqvm Gwm‡W wb‡Pi †KvbwU Abycw¯’Z? K B_vqwbK GwmW L wg_vbj M †cÖvcvbb N diwgK GwmW 440. NaHCO3 Gi mv‡_ wb‡¤œi †Kvb †hŠMwU CO2 Aegy³ K‡i? K B_v‡bvwqK GwmWL B_vBj A¨vwgb M †cÖvcv‡bvb N B_vbj 441. Na avZz Kve©w·wjK g~j‡Ki †KvbwU‡K AcmviY K‡i? K – H L – OH M N –COOH 442. ‡Kvb cixÿvwU B_vbwqK Gwm‡Wi Rb¨ ˆewkó¨g~jK? K NaHCO3 `ªeY cixÿv L gviwKDwiK †K¬vivBW `ªeYmn cixÿv M †dwjs `ªeY cixÿv N K¨v‡KvwWj A·vBW cixÿv 443. †KvbwU A¨vjwWnvBW I GwmW wn‡m‡e KvR K‡i? K H– COOH L CH3–COOH M H–CHO N CH3–CHO 444. Kve©w·wjK GwmW‡K wbiæw`Z Ki‡j †KvbwU cvIqv hvq? K A¨vj‡Kb L A¨vjwWnvBW M G÷vi N A¨vbnvBWªvBW 445. ‡KvbwU cwjKve©w·wjK Gwm‡Wi D`vniY? K mvw·wbK GwmW L UviUvwiK GwmW M mvBwUªK GwmW N g¨v‡jvwbK GwmW 446. Kve©w·wjK Gwm‡Wi -OH MÖæcwU hw` -OR MÖæc Øviv cÖwZ¯’vcb Kiv nq Z‡e Zv‡K Kx e‡j? K A¨vjwWnvBW L wK‡Uvb M B_viN G÷vi 447. wb‡Pi †KvbwU G÷v‡ii Kvh©Kix g~jK? K – COOH L – COR M – COOR N R–O–R 448. A †hŠMwU Kx? K R–COOR L – CHO M – OH N – COOH 449. nvBWª·vwgW GwmW cixÿv Øviv †KvbwU kbv³ Kiv nq? K -COOH L -CHO M -OH N -COOR 450. ‰Re GwmW I A¨vj‡Kvn‡ji wewµqvq Drcbœ ‡hŠM‡K Kx e‡j? K B_viL G÷vi M Kve©w·wjK GwmWN A¨vgvBW 451. cvKv Kjvq †Kvb G÷vi _v‡K? K †ebRvBj A¨vwm‡UU L A¨vgvBj A¨vwm‡UU M AKUvBj A¨vwm‡UU N B_vBj weDUv‡iU 452. wb‡Pi †KvbwU A¨vgvBj A¨vwm‡U‡Ui ms‡KZ? K CH3COOC5H11 L C3H7COOC2H5 M C3H7COOC4H9 N CH3COOCH2C6H5 453. †Rmwgb dz‡j †Kvb G÷vi _v‡K? K 3-wg_vBj weDUvBj B_vb‡qU L †ebRvBj A¨vwm‡UU OR H O O || R C 2 HCl OH R OH O || R C Cl H O O || R C 2 HCl OH HCl O || R C NH H O O || R C 2 2 HCl OH NH3 O || R C C O A; 200 C BF .H O R OR CO 3 2

| M B_vBj weDUv‡iU N AKUvBj A¨vwm‡UU 454. cvKv Kgjvq †Kvb G÷vi _v‡K? K weDUvBj weDUv‡iU L A¨vgvBj A¨vwm‡UU M AKUvBj A¨vwm‡UU N AvB‡mv A¨vgvBj AvB‡mv f¨vjv‡iU 455. G÷vi †Kvb ai‡bi c`v_©? K A¤øxqL ÿvixq M wbi‡cÿ N me¸‡jv 456. wbgœZi G÷v‡ii m`m¨¸‡jv †Kvb cÖK…wZi? K KwVbL M¨vm M Zij N ùwUK 457. AwaKvsk dzj I d‡ji myM‡Üi Rb¨ `vqx wb‡Pi †KvbwU? K B_viL G÷vi M †dbj N Kve©wbj MÖæc 458. ÿvi Øviv G÷v‡ii Av`ª© we‡kølY‡K Kx e‡j? K Kve©vbvqb L mvevbvqb M mvevb N jeY 459. †Zj I Pwe© Kx? K G÷vi L B_vi M GwmW N wK‡Uvb 460. G÷vi‡K weRvwiZ Ki‡j Kx cvIqv hvq? K GwmW L 1- A¨vj‡Kvnj M 2- A¨vj‡Kvnj N 3- A¨vj‡Kvnj 461. G÷vwiKiY wewµqvq H2SO4 Gi KvR †KvbwU? K wewµqv‡K GKgyLx Kiv L wewµqv‡K DfgyLx Kiv M cvwb ˆZwi Kiv N G÷vi ˆZwi Kiv 462. mvevbvqb wewµqv †KvbwU? K CH3COOH+NaOH= CH3COONa+H2O L CH3COOCH2CH3 +NaOH = CH3COONa + CH3 – CH2 – OH M N HCOOH+NaOHHCOONa+H2 463. wb‡Pi †KvbwU g‡bvKve©w·wjK GwmW †kªwYfz³ bq? K diwgK GwmW L B_v‡bvwqK GwmW M A·vwjK GwmW N †cÖvcvbwqK GwmW 464. A¨v‡gvwbqvi GK ev GKvwaK nvB‡Wªv‡Rb cigvYy R/Ar g~jK Øviv cÖwZ¯’vwcZ Ki‡j Zv‡K Kx e‡j? K B_viL A¨vwgb M A¨vgvBW N A¨vwbwjb 465. A¨vwgb cÖavbZ KZ cÖKvi? K 2 L 3 M 4 N 5 466. A¨vwgb cÖ¯‘wZi mvaviY wbqg bq †KvbwU? K bvB‡Uªv A¨vj‡b †_‡K L ndg¨vb c×wZ‡Z M UjyBb †_‡K N A¨vj‡Kvnj †_‡K 467. A+ 3KCl + H2O; A †hŠMwUi ms‡KZ †KvbwU? K R – COOH L R – NH2 M R NCN R – CN2 468. Kvwe©j A¨vwgb cixÿvi gva¨‡g kbv³ Kiv nq? K cÖvBgvwi A¨vwgb L †m‡KÛvwi A¨vwgb M Uviwkqvwi A¨vwgb N me¸‡jv 469. Kvwe©j A¨vwgb cixÿv KZ ZvcgvÎvq N‡U? K 10C L 50C M 0.-5C N 70C 470. ndg¨vb wW‡MÖ‡Wkb cÖwµqvq A¨vwgb Drcv`‡b cÖ‡qvRb nq bv wb‡Pi †KvbwU? 3NaOH CH COOC H | CH COOC H | CH COOC H 2 17 35 2 17 35 17 35 CH OH | CH OH | 3C H COONa CH OH 2 2 17 35 R NH2 CHCl3 3KOH 70C

| K L M Br2 N KOH 471. A¨vwj‡dwUK A¨vwg‡bi D”PZi m`m¨¸‡jv †Kvb cÖK…wZi? K KwVb L Zij M M¨vmxq N A¯^”Q 472. A¨vwgb mvaviYZK ˆRe GwmW L ˆRe ÿviK M GwmWN ÿvi 473. cÖwZ¯’vc‡bi msL¨vbymv‡i A¨vwgb KZ cÖKvi. K 2 L 3 M 4 N 5 474. A¨vwg‡bv g~j‡Ki msL¨vbymv‡i †KvbwU A¨vwgb Gi cÖKvi bq? K g‡bv A¨vwgb L WvB A¨vwgb M UªvB A¨vwgb N cwj A¨vwgb 475. wb‡Pi †KvbwU 2 A¨vwgb? K CH3 NH3 L CH3CH2NH2 M CH3NH CH3 N C6H5 NH2 476. wb‡Pi †Kvb †hŠM Wvqv‡Rvwbqvg jeY ˆZwi Ki‡Z mÿg? K C2H5 NH2 L C6H5NH2 M C6H5 NHC6 H5 N CH3 NH CH3 477. A¨vwbwjb †_‡K †ebwRb Wvqv‡Rvwbqvg †K¬vivBW ˆZwi‡Z cÖ‡qvRb †KvbwU? K HCl, NaNO3, 5C L NaNO2, 5C M NaNO2 + HCl, 5C N NaNO3 + HCl, 5C 478. A¨vwgbmg~‡ni †ejvq †Kvb Z_¨wU cÖ‡hvR¨? K †cÖvUb Z¨vM K‡i L ‡cvjvi †hŠM M cvwb‡Z `ªeYxq N cvwbmn H eÜY K‡i 479. wb‡Pi †Kvb wewµqvwUi mgxKiY mwVK bq? K CH3NH2+HNO2CH3OH + N2+H2O LCH3CON2Cl+Br2 + 4KOHCH3OH + 2RBr + K2CO3 + 2H2O M +N2 N C6H5NH2+HCl+HNO2 C6H5N2Cl + 2H2O 480. Kvwe©j A¨vwgb wewµqvi mvnv‡h¨ kbv³ Kiv nq †Kvb †hŠM? K 2 A¨vwgb L 1 A¨vwgb M Wvqv‡Rvwbqvg jeY N A¨vj‡Kvnj 481. Kvwe©j A¨vwgb wewµqv †`q †Kvb †hŠM? K CH3NH2 L CH3–NH–CH3 M N CH CH 482. ÿvixq ÿgZvi µ‡gi †ÿ‡Î wb‡Pi †KvbwU mwVK? K CH3CH2ClCH3Cl 3 A¨vwgb2 A¨vwgb L 3 A¨vwgb2 A¨vwgb CH3Cl CH3CH2Cl M 2 A¨vwgb3 A¨vwgb CH3CH2Cl CH3Cl N CH3Cl CH3CH2Cl2 A¨vwgb3 A¨vwgb 483. ‡Kvb weKviK Øviv cÖvBgvwi A¨vwgb kbv³ Kiv hvq? K HCl L CHCl3 M NaOH N CHCl3+KOH 484. ‡Kvb †hŠM ndg¨vb wW‡MÖ‡Wkb cÖ`k©Y K‡i? K ArNH2 L ArCONH2 M ArNO2 N ArCH2NH2 485. ‡KvbwU †KvqviUvibvwi jeY? K L M N 486. Uviwmqvwi (3) A¨vwg‡bi mvaviY ms‡KZ †KvbwU? K R4N + L R3N M R2NHN R NH2 NH2 O || R C O NH2 O || R C C H Cl Cu Cl C H NH HCl 6 5 2 2 6 5 2 5C NH2 3 3 3 CH CH | CH N 3 3 CH CH | H N CH3 NH CH3 CH3 CH3 CH3 N +Cl-

| 487. ‡KvbwU me‡P‡q `ye©j ÿvi? K A¨v‡gvwbqv L wg_vBj A¨vwgb M WvB wg_vBj A¨vwgb N UªvB wg_vBj A¨vwgb 488. ‡KvbwU A¨vwgbmg~‡ni ÿvi agx©Zvi mwVK µg? K 12 3 L 213 M 231 N 321 489. cÖavb Drcv`| wewµqvq cÖavb Drcv` †KvbwU? K L M N 490. ‡KvbwU A¨vivBj A¨vwgb? K wg_vBj A¨vwgb L A¨vwbwjb M cvB‡ivj N wcwiwWb 491. cvZjv HCl Gi mv‡_ wewµqvq mev©waK mwµq A¨vwgb †KvbwU? K N(CH3)3 L NH(CH3)2 M C6H5NH2 N CH3 NH2 492. MVb Abymv‡i A¨vwgb KZ cÖKvi? K 2 L 3 M 4 N 5 493. ‡KvbwU cvB‡iv‡ji ms‡KZ KZ? K L M N 494. wb‡Pi †KvbwU cwj A¨vwg‡bi ms‡KZ? K L M N 495. wg_vBj A¨vwg‡bi Kb Gi gvb KZ? K 1.5 10-4 L 1.8 10-4 M 4.31 10-4 N 5.22 10-4 496. ndg¨vb ÿz`ªvskKiY wewµqvq wewµqK A‡cÿv Drcv‡` Kg _v‡KK GKwU Aw·‡Rb L GKwU Kve©b M bvB‡Uªv‡Rb N nvB‡Wªv‡Rb 497. -b¨vc_j Gi ms‡KZ †KvbwU? K L M N 498. Kve©w·j Gwm‡Wi nvBWªw·j MÖæc A¨vwg‡bv Øviv cÖwZ¯’vwcZ n‡j Zv‡K Kx e‡j? K A¨vwgb L A¨vwbwjb M A¨vgvBW N B_vi 499. wb‡Pi †KvbwU GwmW A¨vgvB‡Wi Kvh©Kix g~jK? K – COOH L – COONH2 M – CONH2 N – CONH3 NH2 HCl;0 5 C NaNO2 N Cl 2 2 2 NO NH Cl NH2 NH2 OH S N N H 2 2 2 2 2 NH | CH CH NH | CH 3 3 2 CH | CH CH NH 2 2 2 2 2 2 2 NH | CH CH NH | CH CH NH | CH 3 3 3 CH CH \ / CH N O OH O OH OH

| 500. ; wewµqvq A †hŠMwU Kx? K RCOOH L R – CHO M R–NH2 N 501. wjUgvm cixÿvq A¨vgvBW †Kvb cÖK…wZi? K A¤øxqL ÿvixq M wbi‡cÿN mvgvb¨ ÿvixq 502. HgO ‡hŠ‡Mi eY© †Kgb? K njy` L Kv‡jv M bxj N ev`vwg 503. HgO cixÿv Øviv †Kvb †hŠMwU kbv³ Kiv nq? K NH3 L R - NH2 M R - COONH2N R - CONH2 504. NH3 M¨v‡mi cixÿv Øviv kbv³ Kiv nq? K R -OH L - CONH3 M – CONH2 N - COOH 505. n¨v‡jv‡Rb kbv³Ki‡Y g~j `ªe‡Y †Kvb weKviK e¨envi Kiv nq? K AgCl L FeSO4 M AgNO3 N BaCl2 506. †Kvb c×wZ‡Z n¨v‡jv‡Rb kbv³ Kiv nq? K WzgviL †RjWvj M †jmvBbN n¨v‡Kj 507. ‡jmvBb c×wZ‡Z wb‡Pi †KvbwU kbv³ Kiv nq? K Cl L N M P N S 508. ‡jmvBb cixÿvq †Kvb avZz e¨envi Kiv nq? K Na L Zn M Cu N Fe 509. g~j `ªeY‡K HNO3 ‡hv‡M A¤øvwqZ K‡i AgNO3 `ªeY †hvM K‡i x Gi njy` Aat‡ÿc co‡j x ‡hŠMwU †KvbwU? K Fe(CNS)Cl2 L AgCl M AgI N NH4[Fe(CN)5(NOS) 510. FeCl3 + NaCNS x + NaCl; x Gi eY© Kx? K bxjvf meyR L †e¸wb M Kv‡jvN i³jvj 511. g~j `ªeY + AgNO2 X + NaNO3; X Gi eY© njy` n‡j wewµqv Øviv wb‡Pi †KvbwU kbv³ Kiv hvq? K S L Br M Cl M I 512. NaCl + AgNO3 AgCl + NaNO3; wewµqvq cÖvß Aat‡ÿ‡ci eY© Kx? K mv`v L njy` M ev`vwg N †e¸wb 513. [Ag(NH3)2]Cl ‡hŠMwUi IUPAC bvg Kx? K wmjfvi WvB A¨v‡gvwbqvg †K¬vivBW L WvB A¨v‡gvwbqvg wmjfvi †K¬vivBW M WvB A¨vwgb wmjfvi †K¬vivBW N me¸‡jvB 514. NaX+AgNO3 AgX+NaNO3 wewµqvq X hw` I nq Z‡e cÖvß Aat‡ÿ‡ci eY© Kx n‡e? K jvj L njy` M ev`vwg N bxjvf meyR 515. A¨vj‡Kvnjxq g~jK kbv³ Kiv hvqK Br2 `ªeY Øviv L 5% NaHCO3 Øviv M 2, 4 DNP Øviv N U‡jb weKviK Øviv 516. Kve©b wkK‡j -eÜb kbv³ Kiv hvqK †dwjs `ªeY L Br2 `ªeY M 5% NaHCO3 Øviv N AgNO3 517. Kve©w·wjK (– COOH) g~jK kbv³ Kiv hvqK wjUgvmL U‡jb weKviK M 5% NaHCO3 N †dwjs `ªeY 518. ‰Re †hŠ‡M bvB‡Uªv‡Rb, mvjdvi I n¨v‡jv‡Rb kbv³ Kiv nq wb‡¤œi †Kvb cixÿvq? K †RjWvj L Wzgvi M †jmvBbN Kvwe©j A¨vwgb A [H ] R C N H2O NH3 O || R C

| 519. ; X †hŠ‡Mi eY© Kx? K †MvjvcxL †e¸wb M i³ jvj N bxjvf meyR 520. ﮋ I Abv`©ª Zij bgybvq †KvbwU †hvM Ki‡j A¨vj‡Kvnj‡K kbv³ Kiv nq? K POCl3 L Na M Mg N KMnO4 521. †KvbwU U‡jb weKviK Gi mv‡_ mv`v Aat‡ÿc m„wó K‡i? K CH3COCl L CH3CONH2 M HCOOH N CH3COOH 522. U‡jb weKviK †KvbwU? K Na4[Fe(CN)5(NOS)] L AgNO3 M [Ag(NH3)2]Cl N [Ag(NH3)2]OH 523. ﮋ I Abv`ª© ˆRe bgybvq †mvwWqvg †hvM Ki‡j †h H2 M¨vm Gi ey`ey` m„wó nq †mwU Øviv †KvbwU kbv³ Kiv hvq? K R – XL R – OH M R – CHO N R – COOH 524. ‰Re †hŠ‡M (–COOH) kbv³Ki‡Y wb‡Pi †KvbwU e¨eüZ nq? K Na2CO3 L CaCO3 M H2CO3 N NaHCO3 525. NaHCO3 cixÿv Øviv wb‡Pi †KvbwU kbv³ Kiv hvq bv? K wµmj L †dbj M †eb‡RvwqK GwmW N R – NH2 526. bxj wjUgvm †ccvi jvj n‡j †hŠMwU K GwmW L ÿvi M cÖkg N me¸‡jv 527. jvj wjUgvm †ccvi bxj n‡j †hŠMwUK ÿvi L GwmW M Dfagx© A·vBW N cÖkg 528. NaHCO3 Gi mv‡_ wewµqv K‡i CO2 Drcbœ K‡i †KvbwU? K †dbj L Kve©w·wjK GwmW M B_viN A¨vj‡Kvnj 529. ROH + PCl5 RCl+A + HCl. wewµqvq A †hŠMwU Kx? K ROCl L POCl M POCl3N POCl2 530. Kve©wbj ( ) MÖæ‡ci Dcw¯’wZ cixÿvq e¨eüZ nq †KvbwU? K 2,4-DNP L jyKvm weKviK M HNO3 + H2SO4 N I2 + KOH 531. ‡Kvb †hŠ‡Mi m‡½ FeCl3 †hvM Ki‡j ‡e¸wY eY© m„wó K‡i? K A¨vjwWnvBW L R – NH3 M †dbj N 532. ‡Kvb †hŠ‡M Na ‡hvM Ki‡j H2 ey`ey` m„wó nq? K A¨vj‡Kvnj L B_vi M wK‡Uvb N B‡_b 533. Kve©wbj g~jK kbv³Ki‡Yi weKviK †KvbwU? K jyKvm weKviK L 2, 4 DNP M †dBwjs `ªeY N U‡jb weKviK 534. A¨vjwWnvBW I wK‡Uv‡bi g‡a¨ cv_©K¨ Kiv nq bv †Kvb weKvi‡Ki mvnv‡h¨? K jyKvm weKviK L U‡jb weKviK M 2,4-DNP N †dnwjs `ªeY 535. 1, 2, 3 A¨vj‡Kvn‡ji g‡a¨ cv_©K¨ Kiv nq †Kvb weKvi‡Ki mvnv‡h¨? K jyKvm weKviK L 2,4-DNP M †dnwjs `ªeY N U‡jb weKviK 536. [Fe(CN)3NO.CH3COCH2] 3– †hŠMwUi eY© †Kgb? K jvj eY©L meyR M ev`vwg N nj‡` 537. †mvwWqvg bvB‡Uªv cÖæmvBW cixÿv Øviv kbv³ Kiv nqK A¨vjwWnvBW L wK‡Uvb M A¨vj‡Kvnj N B_vi 538. wmd weKviK Øviv kbv³ Kiv nq2FeCl X 6HCl 3 C O N Cl 2

| K -CHOL -OH M -NH2 N -O539. ˆRe †hŠM Øviv m„ó †kvlY eY©vwj‡K Kx e‡j? K NMR L IR-spectrum M NIR spectrum N MRI 540. ivmvqwbK cixÿv QvovB Kvh©Kix g~jK kbv‡³i cixÿvK †cvjvwiwgwZ L eY©vwjwgwZ M †¯úK‡UvwgUvi N wmRvwis 541. IR (Ae‡jvwnZ iwk¦) Gi e¨vwß KZ? K 40-400 cm-1 L380-600 cm-1 M 400-4000 cm-1 N 100-1000 cm-1 542. wb‡Pi †KvbwU wd½vi wcÖ›U GjvKvi e¨vwß? K 500 cm-1 L1000 cm-1 M <1000 cm-1 N >1000 cm-1 543. AYyi K¤úb‡K mvaviYZ KqwU fv‡M fvM Kiv nq? K 2 L 3 M 4 N 5 544. eµKiY (Bending) ‡K Kqfv‡M fvM Kiv n‡q‡Q? K 3 L 2 M 4 N 5 545. wb‡Pi †KvbwU Zj ewnf~Z© IqvwMs? K L M N 546. wb‡Pi †KvbwU Bending Gi †kªwYwefvM bq? K wmRvwis L UzBw÷s M weqvwis N iwKs 547. wb‡Pi †KvbwU dvÛv‡g›Uvj eªv‡Ûi mgxKiYK L M N 548. dvÛv‡g›Uvj eªv‡Ûi Rb¨ K¤úb †Kvqv›Uvg msL¨vi gvb KZ? K ν=1 to ν = 2 L ν=0 to ν = 2 M ν=1 to ν = 0 N ν=0 to ν = 1 549. AvšÍtAvYweK H- eÜb hy³ O-H cÖmviY e¨vß Kxi~c n‡e? K SharpL broad M bending N stretching 550. g~jK hy³ IR e¨v‡Ûi mxgv KZ? K 1715cm–1 L 1710 cm–1 M 1800cm–1 N 1735 cm–1 551. Kve©w·wjK Gwm‡Wi eªv‡Ûi mxgv KZ? K 1735 cm–1 L 1810 cm–1 M 1710 cm–1 N 1795 cm–1 552. G÷vi †hŠ‡M e¨v‡Ûi mxgv KZ cm–1 K 1735 L 1810 M 1715 N 1795 553. A¨vjwWnvBW I wK‡Uv‡bi cv_©K¨ wbY©‡q ¸iæZ¡c~Y© e¨vÛ ‡KvbwU? K 2850cm–1 L 2750cm–1 M 1715cm–1 N 1710cm–1 554. wK‡Uvb †hŠ‡M e¨v‡Ûi mxgv KZ? K 1725 cm-1 L 1715 cm-1 M 1790 cm-1 N 1800 cm-1 555. C–O cÖmviY e¨vÛwUi gva¨‡g cv_©K¨ wbY©q Kiv hvqK A¨vj‡Kvnj I †db‡ji L A¨vjwWnvBW I wK‡Uv‡bi M B_vi I A¨vjwWnvB‡Wi N Kve©bvBj MÖæc 556. ‡db‡ji OH cÖmviY e¨v‡Ûi e¨vwß KZ? K 1220cm–1 L 3610 cm–1 wbKU wbKU `~i wbKU K 2 c 1 v K 2 m 1 v 2 c K 1 v 2 m K 1 v C O OH O || R C OR O || R C

| M 3630 cm–1 N 3960 cm–1 557. 3 A¨vj‡Kvn‡ji C - O cÖmviiY e¨v‡Ûi e¨vwß KZ? K 1050 cm-1 L 1150 cm-1 M 1220 cm-1 N 1300 cm-1 558. A¨vwm‡Uv‡d‡bvb Gi †¯úKUªvg 1680cm–1 e¨vÛwU †Kvb g~j‡Ki Rb¨ cÖ‡hvR¨? K L –OH M – OR N – CN 559. wMømvvwib Kx? K WvBnvBwWªK A¨vj‡Kvnj L UªvBnvBwWªK A¨vj‡Kvnj M miweUj N 3 A¨vj‡Kvnj 560. wMømvwib †K cÖ¯‘Z K‡ib? K wcÖ÷‡j L kx‡j M eªvÛ N j¨vfqvwm‡q 561. wMømvwib KZ mv‡j me©cÖ_g cÖ¯‘Z Kiv nq? K 1790 L 1850 M 1848 N 1779 562. D”PZi d¨vwU Gwm‡Wi †mvwWqvg ev cUvwmqvg jeY‡K Kx e‡j? K wMømvwibL mvevb M wWUvi‡R›U N me¸‡jv 563. ˆZj ev Pwe©i ÿvixq Av`ª© we‡kølY‡K Kx e‡j? K mvevbvqb L Av`ª©we‡kølY M Kve©vbvqb N Kve©K¨Uvqb 564. †c‡Uªvwjqvg I †c‡Uªvwjqvg RvZxq Dcv`v‡bi AvswkK cvZ‡bi mgq DcRvZ wnmv‡e Kx Drcbœ nq? K mvevb L wWUvi‡R›U M wMømvwibN ‡cÖvwcb 565. ‡cÖvwcb n‡Z ms‡køwlK cÖYvwj‡Z KZfvM wMømvwib cÖ¯‘Z Kiv nq? K 50 L 60 M 70 N 90 566. A¨v‡µvwjb cixÿv Øviv kbv³ Kiv nqK mvevb L wWUvi‡R›U M wMømvwibN A¨vjwWnvBW 567. wb‡Pi †KvbwU A¨v‡µvwj‡bi ms‡KZ? K L M N 568. 3R– COOH wewµqvq A †hŠMwUK d¨vwU GwmW L wMømvwib M mvevbN wWUvi‡R›U 569. wb‡Pi †KvbwU †eviv· Gi ms‡KZ? K H3 BO3 L B3 BO4 M Na2B4O7.7H2O N Na2B4O7 570. wMømvwib kbv³KiY wewµqvK A¨v‡µvwjb cixÿv L KMnO4 `ªeY cixÿv M †eviv·v †dbd&_¨vwjb cixÿv N me¸‡jv 571. †db‡ji ivmvqwbK bvg Kx? K Kve©wjK GwmW L nvB‡Wªvw· †ebwRb M UjyBb N Kve©wbK GwmW 572. wb‡Pi †KvbwU wMømvwi‡bi e¨envi bq? KJla wk‡í L †jvkb ˆZwi‡Z M RxevYybvkKi~‡c N cøvw÷K cÖ¯‘wZ‡Z 573. ‡db‡ji cÖavb Drm Kx? K jNy †Zj L AvjKvZiv M ga¨g †Zj N fvix ˆZj 574. AvjKvZiv‡K AvswkK cvZb Ki‡j KqwU Ask cvIqv hvq? C O CH2 || CHO | CH 3 2 CH || CHO | CH CH OH || CHO | CH OH 2 CH2 || COOH | CH A [H ] 3H OH CH COOR | CH COOR | CH COOR 2 3

| K 2 L 3 M 4 N 5 575. AvjKvZivi AvswkK cvZb †_‡K cÖvß ga¨g †Z‡j ‡KvbwU Dcw¯’Z _v‡K? K †ebwRbL †dbj M wµmj N A¨vb_ªvwmb 576. A¨vivBj †K¬vivB‡Wi Av`ª© we‡køl‡Yi gva¨‡g †dbj ˆZwii cÖwµqv‡K Kx e‡j? K ¯úk© c×wZ L wKDwgb c×wZ M WvD c×wZ N †nevi em c×wZ 577. ‡ebwRb P‡µi Kve©‡bi mvB – OH g~jK mivmwi hy³ n‡q †h †hŠM MwVZ nq Zv‡K Kx e‡j? K UjyBb L ‡ebwRb M †dbj N A¨vj‡Kvnj 578. ‡dbj mvaviYfv‡e †Kvb bv‡g cwiwPZ? K g‡bv nvBWªw· †ebwRb L Kve©wbK GwmW M UjyBb N †ebRv‡bvb 579. ;wewµqvq A †hŠMwUK L M N 580. , wewµqvq Y †hŠMwUK †dbj L wKDwgb M wµmj N UjyBb 581. wb‡Pi †KvbwU WªvB nvBwWªK †db‡ji ms‡KZ? K L M N 582. 582. ‡hŠMwUi bvg Kx? K UªvB †dbj L WvB †dbj M †d¬v‡ivMøwmbj N K¨vwUKj 583. wb‡Pi †KvbwU KzBbi Gi ms‡KZ? K L M N 584. AvjKvZiv‡K KZ ZvcgvÎvq AvswkK cvZb Kiv nq? K 175CL 100-175C M 170-230C N 250C 585. ‡dbj kbv³Kvix cixÿv †KvbwU? K wjevig¨vb cixÿvL †dnwjs `ªeY M 2, 4- DNP N Kvwe©j A¨vwgb 586. ‡Kvb c×wZ‡Z †dbj cÖ¯‘Z Kiv hvq bv? K WvD L ga¨g †Zj M Kw÷K †mvWv N wKDwgb 587. A¨vmwcwib cÖ¯‘wZ‡Z †KvbwU e¨envi Kiv nq? K A¨vj‡Kvnj L †dbj M B_viN †eb‡RvwqK GwmW 588. eª¨v‡KjvBU Drcv`‡b †KvbwU e¨eüZ nq? K B_viL †dbj M †ebwRbN UjyBb 589. ‡db‡ji we‡kl ‡kÖwYi wewµqvi g‡a¨ †KvbwU cÖ‡hvR¨ bq? K †Kve wewµqv L ivBgvi UvBg¨vb wewµqv M Kvcwjs wewµqv N wW.wW.wU cÖ¯‘wZ 590. ‡WU‡ji Dcv`vb †KvbwU? NaOH A H O OH 2 COOH Na ONa CH3 Y 250 C H PO X 3 4 OH OH CH3 OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH CH3

| K †K¬v‡ivRvB‡jbj L AvB‡mv †cÖvcvbj M †mvcN me¸‡jv 591. wb‡Pi †KvbwU †WU‡ji MvVwbK ms‡KZ? K L M N 592. ‡WU‡ji cvwb‡Z `ªebxqZvi gvb KZ? K 330 mgL–1 L 360 mgL–1 M 250 mg.L N 230 mgL–1 593. wb‡Pi †KvbwU †WU‡ji AvYweK ms‡KZ? K C6H8ClO L C8H9ClO M C6H8O7Cl N C7H8OCl 594. AvB‡mv †cÖvcvbj GKwUK A¨vw›UfvBivm L RxevYybvkK M †e`bvbvkK N Gw›Ue¨v‡±wiqvj 595. kix‡ii †Kvb As‡k †WUj jvMv‡bv nq? K ÿZ¯’v‡b L cPbkxj As‡k M †Wªwms Gi Kv‡R N me¸‡jv 596. wb‡Pi †KvbwU †WU‡ji cÖavb Dcv`vb? K †K¬v‡iv RvBwjb L cvwb M cvBb A‡qj N K¨v÷vi I‡qj 597. ‡WU‡ji IUPAC bvg Kx? K 4- †K¬v‡iv-3, 5-WvB wg_vBj †dbj L 4-‡K¬v‡iv-3, 5 WvB wg_vBj UjyBb M 1-‡K¬v‡iv -3, 5 WvB wg_vBj †dbj N 4- nvBWªw·-1, 6 WvB wg_vBj †K¬v‡iv‡ebwRb 598. ‡WUj Drcv`‡b †KvbwU cÖfveK wnmv‡e KvR K‡i? K CCl4 L Al2O3 M P2O5 N CaO 599. ‡WUj †Kvb cÖK…wZi? K KwVbL Zij M evqexq N cøvRgv 600. ‡WUj †K cÖ¯‘Z K‡ib? K j¨vfqwm‡q L e¨vÛ M †Rv‡md wj÷vi N wcÖ÷‡j 601. bvB‡UªvwMømvwib Kx? K GKwU RxevYybvkK L cPb wbeviK M we‡ùviK N †PZbvbvkK 602. wWbvgvBU cÖ¯‘wZ‡Z wb‡Pi †KvbwU e¨envi Kiv nq? K bvB‡UªvwMømvwib L †dbj M UjyBb N D.D.T 603. ü`wc‡Û i³ mÂvj‡bi e¨vNvZ NU‡j †KvbwU e¨envi Ki‡Z nq? K TNT L c¨vivwmUvgj M A¨vmwcwib N bvB‡Uªv wMømvwib 604. KZ ZvcgvÎvq wb‡P bvB‡Uªv wMømvwib‡K msiÿY Ki‡Z nq? K 10C L 5C M 4C N 100C 605. bvB‡Uªv wMømvwi‡bi Mjbv¼ KZ? K 13.2C L 15.5C M 17.6C N 16.7C 606. bvB‡Uªv wMømvwib kieslguhr gvwU‡Z †kvwlZ Ae¯’vq we‡ùvi‡Ki SzwK Kg GwU Kvi AwfgZ? K †Rv‡md wj÷vi L Avj‡d«W †bv‡ej M j¨vfqwm‡q N kx‡j 607. wPwKrmv †ÿ‡Î bvB‡Uªv wMømvwi‡bi e¨envi ‡KvbwU? K ü`‡ivM L angina pictoris M nvucvwb N me¸‡jv Cl CH OH CH3 3 Cl CH OH CH3 3 Cl OH OH OH OH OH CH OH 3

| 608. T.N.T Kx? K kw³kvjx we‡ùviK L kw³kvjx RxevYybvkK M kw³kvjx `ªveK N AwMœ wbev©cK 609. T.N.T Gi MvVwbK ms‡KZ †KvbwU? K L M N 610. TNT Gi eY© Kxiƒc? K bxjvf L ev`vwg M njy` N jvj‡P 611. TNT Gi Mjbv¼ KZ? K 100C L 81C M 68C N 71C 612. TNT Ges IUPAC bvg Kx? K 2, 4, 6- bvB‡Uªv †dbj L 2, 4, 6- UªvB bvB‡Uªv †dbj M 2, 4, 6 UªvB bvB‡Uªv UjyBb N 2, 4, 6- bvB‡Uªv UjyBb 613. cyiv‡bv ¯’vcbv †f‡O †dj‡Z e¨envi nqK TNT L DDT M 2, 4- DNP N †WUj 614. c¨vivwmUvgj Kx? K we‡ùviK L †PZbvbvkK M †e`bvbvkK N KxUbvkK 615. p-A¨vwg‡bv †dbj‡K B_v‡bvwqK A¨vbnvBWªvBW Øviv A¨vwmUvBjxKiY Ki‡j Kx cvIqv hvq? K A¨vmwcwib L c¨vivwmUvgj M †WUj N TNT 616. wb‡Pi †KvbwU c¨vivwmUvg‡ji ms‡KZ? K L M N 617. A·vwjK Gwm‡Wi Mjbv¼ KZ? K 110CL 121C M 101CN 120C 618. ‡eb‡RvwqK Gwm‡Wi Mjbv¼ †KvbwU? K 121CL 128C M 48C N 132C 619. KwVb ˆRe ‡hŠM ‡fRvj _vK‡j Mjbv‡¼i gvbK e„w× cvq L n«vm cvq M wbw`©ó _v‡K bv N wbw`©ó gvb _v‡K 620. KwVb ˆRe †hŠM weï× n‡j Gi Mjbv‡¼iK n«vm N‡U L e„w× N‡U M gvb _v‡K bv N wbw`©ó gvb _v‡K 621. wmbvwgK Gwm‡Wi Mjbv¼ KZ? K 133C L 122C M 48C N 128C 622. GKvwaK Zij Dcv`v‡bi wbw`©ó mshyw³i wgkÖY w¯’i ZvcgvÎvq dzU‡Z _vK‡j Zv‡K Kx e‡j? K ùzUbv¼L Mjbv¼ M mgùzUb wgkÖY N me¸‡jv 623. ‡ebwR‡bi ùzUbv¼ KZ? K 65.5C L 78.3C 3 3 3 CH CH OH CH 2 2 2 NO NO OH NO 2 2 3 2 NO NO CH NO Cl CH OH CH3 3 NHCO CH3 OH COOCH3 OH 2 3 COONH CH NH COOH OH

| M 80.4C N 101C 624. 78.3C ùzUbv¼wewkó †hŠM wb‡Pi †KvbwU? K B_vi L wg_vbj M B_vbj N UjyBb 625. A¨vwmwUK Gwm‡Wi ùzUbv¼ KZ? K 118C L 100C M 184CN 197C 626. wb‡Pi †KvbwU wg_vb‡ji ùzUbv¼ KZ? K 78.3C L 80.4C M 65.5C N 60.3C 627. ùzUbv¼ I Mjbv¼ c`v‡_©i †Kvb ag©? K †fŠZ ag© L ivmvqwbK ag© M evqexq ag© N Av‡ekxq ag© 628. wb‡Pi †KvbwU A¨vwbwj‡bi ùzUbv¼? K 184CL 100C M 118CN 82C 629. Mjbv¼ wbY©‡q cÖ‡qvRbxq ivmvqwbK Dcv`vb †KvbwU? K c¨vivwdb †Zj L cvZb d¬v‡¯‹ M eyb‡mb evbv©i N ÷¨vÛ 630. ‡h ZvcgvÎvq †Kvb KwVb c`v_© Mj‡Z ïiæ K‡i Zv‡K Kx e‡j? K Mjbv¼ L ùzUbv¼ M ev®úvqb N Nbxfeb 631. Mjbv¼ wbY©‡q cvZb d¬v¯‹ ‡KvbwU Øviv cwic~Y© Kiv nq? K Mvp H2SO4 L wmwjKb †Zj M c¨vivwdbw †Zj N me¸‡jv 632. KqwU c×wZi mvnv‡h¨ ùzUbv‡¼ wbY©q Kiv nq? K 2 L 3 M 4 N 5 633. evw¤ús †iva‡Ki Rb¨ cvZb d¬v‡¯‹ Kx †`Iqv nq? K Zvi Rvwj L jeY M evwj N fvOv KvP 634. cwjgvi k‡ãi A_© Kx? K eû welq L eû Ask M eo AYyN †ewk AYy 635. ‡he AYy‡Z 50 ev AwaK msL¨K g‡bvgvi GKK _v‡K Zv‡K Kx e‡j? K cwjgviL cwj÷vi M cwjw_bN PVC 636. wb‡Pi †KvbwU cwjw_‡bi ms‡KZ? K n[CH2=CH2] L M N 637. cwjBw_wjb Kx? K Bw_wj‡bi g‡bvgvi L Bw_wj‡bi cwjgvi M †cÖvwc‡bi g‡bvgvi N †cÖvwc‡bi g‡bvgvi 638. wb‡Pi †KvbwU PVC Gi GKK? K L M N 639. ‡Kvb †hŠ‡Mi cwjgviKiY m¤¢e? K C2H4 L C2H6 M C3H6 N C4H10 640. cwjw_b ˆZwi‡Z †Kvb cÖfveK e¨envi Kiv nq? K O2 L TiCl2 M Fe2O3N P2O5 641. wfbvBj †K¬vivB‡Wi ms‡KZ †KvbwU? K CH2 = CH – Cl L CH2=CH–CH2Cl M CH3–CH=CHCl N CH3 – CH2 – Cl 642. 642. †KvbwU Drcv`‡b PVA cwjgvi e¨eüZ nq? K †Uwjwfk‡bi K¨vwe‡bU L cøvw÷K wmwiR M Rvnv‡Ri b½i N Bgvjkb †cB›U 643. K¤øj ˆZwi‡Z †Kvb cwjgvi e¨eüZ nq? K Avijb L †Udjb M PVC N PVA 644. cwjw_b ˆZwi‡Z Bw_wj‡bi KZ msL¨K AYy ci¯úi hy³ nq? K 100-1000 L 800-2000 M 5000 N 400-2000 n CH2 CH2 n]n Cl | [CH2 CH ]n CH | [CH CH 2 2 2 n[CH CH ] 3 3 n CH2 CH2 ]n CH | [CH CH 2 2 2 2 n Cl | CH CH

| 645. A¨vwmwUwjb †_‡K PVC Drcv`‡b †Kvb cÖfveK e¨envi Kiv nq? K O2 L Cr2O4 M Ni N HgCl2 646. ÷¨vwi‡bi cwjgvi cÖ¯‘wZ‡Z mvaviYZ †Kvb cÖfveK e¨eüZ nq? K FeCl3 L FeCl3/HCl M Fe2O3/Cr2O3 N Al2O3/HCl 647. ‡g‡ivm kãwU †Kvb fvlvq? K j¨vwUb L Rvgv©b M wMÖK N ZzwK© 648. wbDwK¬K GwmW Kx? K cwjgviL g‡bvgvi M g¨v‡µv AYy N gvB‡µv AYy 649. LyeB Kg AvYweK fiwewkó cwjgvi‡K Kx e‡j? K Awj‡Mvgvi L Uvi cwjgvi M D”P cwjgvi N me¸‡jv 650. Dr‡mi Dci wfwË K‡i cwjgvi KZ cÖKvi? K 2 L 3 M 4 N 5 651. AwZ D”P AvYweK fiwewkó cwjgvi‡K Kx e‡j? K D”P cwjgvi L Avëªv nvB cwjgvi M Awj‡Mvgvi N Uvi cwjgvi 652. wb‡Pi †KvbwU cÖvK…wZK cwjgvi? K bvBjb L †Uwiwjb M †mjy‡jvR N cwj÷vwib 653. wb‡Pi †KvbwU Aa©-K…wÎg cwjgvi? K ÷vP© L †mjy‡jvR M †mjy‡jvR bvB‡UªU N †Uwiwjb 654. ÷vP©, †mjy‡jvR †Kvb cÖK…wZi cwjgvi? K cÖvK…wZK L K…wÎg M Aa© K…wÎg N me¸‡jv 655. wb‡Pi †KvbwU cwj÷vwi‡bi ms‡KZ? K L M N 656. wb‡Pi †KvbwU †Udjb Gi ms‡KZ? K L M N 657. wb‡Pi †KvbwU †nv‡gv cwjgvi? K bvBjb 6:6 L cwj A¨vgvBW M cwjKve©‡bU N PVC 658. wb‡Pi †KvbwU †Kv-cwjgvi? K PVC L cwjBw_wjb M cwj G÷vi N cwj÷¨vwib 659. ‡hŠMwUi bvg Kx? K bvBjb 6:6 L cwj A¨vgvBW M bvBjb 6 :10 N cwj Kve©‡bU 660. wb‡Pi †KvbwU _¨vwjK Gwm‡Wi ms‡KZ? K L M N 661. ‡hŠMwUi bvg Kx? K bvBjb 6 : 6 L bvBjb 6:10 M cwjBw_wjb †Uwi_¨v‡jU N cwjdm‡dv‡bU 662. cwjBw_wjb †Uwi_¨v‡iU evRv‡i Kx bv‡g cwiwPZ? K bvBµg L bvBjb n M †Wµb N _¨vwjK GwmW 3 2 CH | CH CH n 6 5 2 C H | CH CH 2 n Cl | CH CH CH2 CH2 n CF2 CF2 n 6 5 2 C H | CH CH 2 n F | CH CH n F | CH F | CH 2 4 2 6 NH n CO (CH ) CONH (CH ) COOH COOH COOH COOH OH COOH CHO O CH CH OH O || C O || OH C 2 2 n

| 663. cÖ‡qv‡Mi w`K †_‡K cwjgvi‡K KqwU †kÖwY‡Z fvM Kiv nq? K 2 L 3 M 4 N 5 664. cwjgv‡ii Dci Uvb ev cxob cÖ‡qv‡Mi d‡j †hme cwjgv‡ii AvKv‡ii ¯’vqx cwieZ©b N‡U Zv‡`i‡K Kx e‡j? K ievi L cøvw÷K M Zš‘ N cwj÷vi 665. ievi Gi cÖmviYkxjZv I Uvbkw³i gvb KZ? K 300-3000 psi L 400-4000 psi M 100-1000psi N 4000-15000 psi 666. cøvw÷K Gi cÖmviYkxjZv I Uvb kw³i gvb KZ? K 300-3000psi L 4000-15000psi M 100-3000psi N 500-5000psi 667. bvBjb Kx? K ievi L cøvw÷K M Zš‘ N me¸‡jv 668. cwjgv‡ii ˆewkó¨ bq †KvbwU? K Zvc I we`y¨r cwievnx L ˆZwi `ªe¨ nvjKv M cvwb‡Z A`ªeYxq wKš‘ ˆRe `ªve‡K `ªeYxq N wbw`©ó Mjbv¼ I ùzUbv¼ wewkó 669. cwjgv‡ii Mjbv¼ KZ? K 100-300C L 200-300C M 450-550C N 400-500C 670. cwjwfbvBj A¨vwm‡UU Gi ms‡KZ †KvbwU? K L M N 671. wb‡Pi †KvbwU cwj G÷v‡ii ms‡KZ? K L M N 672. bvBjb-6, 6 Gi e¨envi bq †KvbwU? K Kvco wk‡í L h‡š¿i weqvwis Drcv`‡b M M„n wbgv©‡Yi Kv‡R N `wo cÖ¯‘wZ‡Z 673. cwjgviKiY wewµqv KZ cÖKvi? K 2 L 3 M 4 N 5 674. GKB Kvh©Kix g~jK hy³ g‡bvgvi †KvbwU? K A¨vjwKb L e¨v‡KjvBU M †gjvgvBb N †cÖvwUb 675. cwjw_‡b KZwU Bw_b AYy hy³ _v‡K? K 100-500 L 600-1000 M 400-1000 N 100-1000 676. PVC Gi e¨envi bq †KvbwU? K Bb‡RKk‡bi wmwiÄ L N‡ii †g‡Si Kv‡c©wUs M †iBb †KvU N K…wÎg myZv 677. KZ Pv‡c cwj÷vBwib cÖ¯‘Z Kiv nq? K 500 atm L 1000 atm M 100 atm N 1500 atm 678. ‰e`y¨wZK fvjf ˆZwi‡Z †KvbwU e¨envi Kiv nq? K †Udjb L PVC M PVA N cwj G÷vi 679. ‡dbUb weKviK †KvbwU? K Abv`ª© Al2O3 L Abv`ª© ZnCl2 M FeSO4+H2O2N Al2O3+H2O2 n 3 2 CH | CH CH n 6 5 2 C H | CH CH 3 2 OOCCH | CH CH OH O || H O R C n OH O || O R C n OH C H | CH CH n 6 5 2 3 2 OOCCH | CH CH OH O || R C H | H N n

| 680. wb‡Pi ‡KvbwU Nbxfeb cwjgviKiY wewµqvi gva¨‡g Drcbœ? K †gjvgvBb L PVC M †Udjb N cwjG÷vi 681. ‡Udjb cÖ¯‘wZ‡Z †Kvb weKviK e¨eüZ nq? K jyKvm weKviK L †dbUb weKviK M U‡jb weKviK N †bmjvi weKviK 682. PVA Drcv`‡b †Kvb cwjgvi e¨eüZ nq? K wfbvBj †K¬vivBWL wfbvBj A¨vwm‡UU M †cÖvwcb bvBUªvBj N Bw_wjb 683. ‡iBb‡KvU ˆZwi‡Z †KvbwU cÖ‡qvRb? K PVC L PVA M cwjw_bN bvBjb 684. ‡Kvb ms‡hvRb cwjgviKiY wewµqvi gva¨‡g Drcbœ nq? K †gjvgvBb L e¨v‡KjvBU M cwjG÷vi N †gjvWzi 685. ‡gjvwgb ˆZwi‡Z AYyNUK wnmv‡e e¨eüZ nqK SiO2 L TiO2 M Al2O3N FeO 686. ‡KvbwU eûj e¨eüZ cøvw÷K? K BDwiqv digvjwWnvBW †iwRb L cwj G÷vi M †mjvwmb N †gjvWzi 687. ‡KvbwU cwj †n·vwgw_wjb †n·vb¨vgvBW? K bvBjb 6 L bvBjb 6, 6 M bvBjb 11 N bvBjb 6, 10 688. Av¸b‡ivax Kvco cÖ¯‘wZ‡Z †KvbwU e¨envi Kiv nq? K e¨v‡KjvBU L †gjvgvBb M †gjvWziN bvBjb 6, 6 689. ‡gjvWzi cÖ¯‘Z Kiv nq †KvbwU †_‡K? K eªv‡KjvBU L †gjvgvBb M bvBjb N †cÖvwUb 690. wKWwb‡Z cv_i ˆZwii Rb¨ `vqxK †gjvwgb L †iwRb M †gjvWziN †cÖvwUb 691. ‡Kvb GwmWwU wKWwb‡K bó K‡i †`q? K BDwiK GwmW L mvqv‡bv BDwiK GwmW M BDwib N A¨vb_ªvmvqwbb 692. Nbxfeb cwjgviKiY wewµhvi gva¨‡g cÖwZ `yB AYy A¨vgvB‡bv GwmW n‡Z GK AYy cvwb Acmvi‡Yi gva¨‡g †KvbwU Drcbœ nq? K A¨vgvB‡bv GwmW L wjwcW M †cÖvwUb N bvBjb 6, 6 693. Møy‡Kv‡Ri AvYweK ms‡KZ †KvbwU? K C6H6 L C6H12O6 M (CH2O)6 N C12H22O11 694. ÷v‡P© KZ fvM A¨vgvB‡bv †cKwUb _v‡K? K 10-10L 40-50 M 80-90N 60-80 695. ÷vP© AYy †Kvb eÜb Øviv MwVZ? K MøvB‡KvmvBW L -MøvB‡KvmvBW M †ccUvBW eÜb N -N MøvB‡KvmvBW 696. Avgv‡`i Lv‡`¨i cÖavb Dcv`vb †KvbwU? K ÷vP© L G÷vi M †cÖvwUb N †mjy‡jvR 697. ‡KvbwU‡K cÖvwYR ÷vP© e‡j? K Møy‡KvR L d«z‡±vR M MøvB‡Kv‡Rb N ivB‡evR 698. ‡mjy‡jvR A; GLv‡b A †hŠMwU wb‡Pi †KvbwU? K -D Møy‡KvR L -D Møy‡KvR M A¨vgvB‡bv ‡cKwUb N †W·wUb 699. `yB AYy g‡bv m¨vKvivBW †Kvb eÜb Øviv hy³ nq? K L M N HCl H2O OH O | C | | O C | | C | | O C C O

| 700. -MøvB‡KvmvBW e܇b KZwU -D Møy‡KvR we`¨gvb? K 300-3000 L 100-1000 M 500-5000 N 200-1000 701. R¡vjvwb wnmv‡e †KvbwU e¨envi Kiv nq? K KqjvL cÖvK…wZK M¨vm M †c‡Uªvwjqvg N me¸‡jv 702. ‡flR wPwKrmvi KZ fvM Jla ˆRe †hŠ‡Mi? K 50 L 70 M 90 N 100 703. cwi‡ek evÜe I Kg `vg wb‡Pi †KvbwU? K LPG L CNG M ‡K‡ivwmb N †c‡Uªvj 704. cÖvY cÖhyw³ I wRb †_ivcx †KvbwUi Dci wfwË K‡i cÖmvi jvf K‡i‡Q? K DNA I RNAL ˆRe imvqb M cÖvY imvqb N A¨vgvB‡bv GwmW 705. AvR‡Ki cvigvYweK hy‡M ˆRe imvqb‡K Kx ejv nq? K †K›`ªxq imvqb L †K›`ªxq weÁvb M †K›`ªxq cigvYy N me¸‡jv 706. wb‡Pi †KvbwU hvZvqv‡Zi †ÿ‡Î cÖ‡qvRbK M¨v‡mvwjb L †cwbwmwjb M †µv‡MKzBb N ivevi 707. ¯^v‡¯’¨i Rb¨ ÿwZKi wb‡Pi †KvbwU? K M¨vgvw·b L GjwWªb M D.D.T N me¸‡jv 708. KZmv‡j me©cÖ_g cwjw_b cÖ¯‘Z Kiv nq? K 1930 L 1830 M1933 N 1920 709. wb¤œ Nb‡Z¡i cwjw_b †Kvb ai‡bi cwjgvi? K ˆiwLK cwjgvi L kvLv cwjgvi M jw¤^K cwjgvi N iw¤^K cwjgvi 710. cwjw_b e¨env‡ii myweav †KvbwU? K 100% wimvB‡Kj‡hvM¨ L AcPbkxj M RjR Rxeb‡K wecbœ K‡i N Rjve×Zvi m„wó K‡i 711. cwjw_b e¨env‡ii Amyweav †KvbwU? K c¨vwKs Gi Kv‡R L cvBc ˆZwi‡Z M Rjve×Zv m„wó‡ZN cwien‡b 712. digvwjb KZfvM cvwb _v‡K? K 40 L 52 M 30 N 70 713. digvwj‡bi ùzUbv¼ KZ? K 21C L –21C M 20C N 19C 714. digvwj‡bi Amyweav †KvbwU? K wewfbœ AiMvb aŸsm K‡i L cPb wb‡ivaK M RxevYygy³ K‡i N cÖvYxi bgybv msiÿY 734. n¨v‡jv‡R‡bv A¨vj‡Kb (R–X) G cÖwZ¯’vcb wewµqvi †KŠkj ev †gKvwbRg n‡jvK wbDwK¬IwdwjK L B‡jK‡UªvwdwjK M RviY-weRviY N wd«-‡iwW‡Kj 735. KvBivj †K›`ªwewkó A¨vj‡Kvnj ØvivK weDUvbj - 2 L 2-wg_vBj-1-weDUvbj M weDUvbj-2 N 3-wg_vBj weDUvbj-1 736. CH3CHO Ges CH3COOCH3 Gi g‡a¨ cv_©K¨m~PK cixÿvq e¨eüZ nqK K2Cr2O7/H+ L 2, 4- DNP M [Ag(NH3)2] + N PCl3 737. AwZwi³ Lv`¨ †_‡K wjfv‡i mwÂZ myMvi n‡jvK Møy‡KvR L d«z‡±vR M MøvB‡Kv‡Rb N my‡µvR 738. ‡MøvweDjvi ev eZz©jvKvi †cÖvwUb n‡jvK cÖvBgvwi MVb L †m‡KÛvwi MVb M Uviwmqvwi MVb N mij wkKj 739. cÖ_g †h ‰Re †hŠMwU cixÿvMv‡i ˆZwi nq Zvi bvg Kx? K wg‡_b L B_vbj M BDwiqv N †ebwRb

| 740. m¤ú„³ ˆRe †hŠ‡M Kve©‡bi †h msKi AiweUvj _v‡K Zv n‡jvK sp3 L sp2 M sp N ‡KvbwU bq 741. ‡WU‡ji eZ©gvb mwµq ˆRe †hŠMwU †Kvb ‡hŠ‡Mi RvZK? K †ebwRbL †dbj M UjyBb N †K¬v‡iv‡ebwRb 742. wb‡Pi †Kvb Kvh©Kix g~j‡Ki †hŠM wgwó M‡Üi Rb¨ L¨vZ? K –OH L M N 743. Am¤ú„³ A¨vjwWnvBW‡K Am¤ú„³ A¨vj‡Kvn‡j iƒcvšÍi Kivi mgq mvaviYZ wb‡¤œi †Kvb weRviK e¨envi Kiv nq? K Sn/HCl L LiAlH4 M NaBH4 N Na/C2H5OH 744. 2, 4 bvB‡UªvwdbvBj nvBWªvwRb Øviv †h Kvh©Kix g~jK kbv³ Kiv hvq Zv n‡jvK – OH L – CHO M – CHO I C =O N – COOH 745. ‡h weKviK Øviv ˆRe †hŠ‡Mi Kve©b-Kve©b wØe܇bi Dcw¯’wZ kbv³ Kiv hvq Zv n‡jvK Br2/CCl4 L LiAlH4 M Na/C2H5OH N NaBH4 746. cÖvBgvix A¨vj‡Kvn‡ji g„`y Rvi‡Y Kx cvIqv hvq? K wK‡Uvb L A¨vjwWnvBW M G÷vi N B_vi 747. wb‡Pi †KvbwU †gUv wb‡`©kK? K – CN L – NHCOCH3 M – NHR N – OCH3 748. ‡eqv‡ii cixÿv Øviv Kx Kiv nq? K A¨vjwWnvBW I wK‡Uv‡bi cv_©K¨ wbY©q L A¨vwj‡dwUK nvB‡WªvKve©‡bi Am¤ú„³Zv wbY©q M A¨vj‡Kvn‡ji †kÖwY kbv³KiY N Kve©w·wjK MÖæ‡ci wbwðZKiY 749. ‡Kvb `ywU MÖæ‡ci wgj‡b G÷vi ‰Zwi nq? K –OH Ges – CHO L – COOH Ges –OH M – OH Ges C=O N – CHO Ges – COOH 750. C6H12 AvYweK ms‡KZ wewkó GKwU A¨vjwKb‡K I‡RvbxKiY Kivi ci wRsK Gi Dcw¯’wZ‡Z Av`ª© we‡kølY Ki‡j wb‡Pi †Kvb †hŠM Drcbœ nq? K CH3CH2OH L CH3CH2COCH3 M CH3COCH3 N CH3CH2CHO 751. K¨vwbRv‡iv wewµqvq g~j kZ© n‡jv Kve©wbj †hŠ‡Mi AYy‡Z -nvB‡Wªv‡Rb Abycw¯’wZ| †m †cªwÿ‡Z K¨vwbhv‡iv wewµqv †`q wb‡¤œi †Kvb †hŠMwU? K H–CHO L CH3–CHO M CH3 – CH2 – CHO N 752. wb‡¤œi †Kvb †hŠ‡M Kve©‡bi sp2 msKiY N‡U? K H2C=CH2 L CH3 – CH3 M N CH3 – C CH 753. B‡jKUª‡bi wW‡jv‡KvjvB‡Rkb †`Lv hvq †KvbwU‡Z? K H2C = CH2 L H2C=CH–CH=CH2 M N 754. C4H8 ms‡KZwewkó †hŠM n‡Z cv‡i? K GKwU A¨vjwKb L GKwU A¨vj‡Kb M GKwU mvB‡K¬vA¨vj‡Kb N GKwU mvB‡K¬vA¨vjwKb 755. CH3–CH(OH) – CH2 – CHO †hŠMwU †Kvb ai‡bi mgvYyZv †`Lvq? K R¨vwgwZK mgvYyZv L Av‡jvK mgvYyZv M MvVwbK mgvYyZv N †÷wiI mgvYyZv 756. wb‡¤œi †hŠM¸‡jvi g‡a¨ †Kvb †KvbwU ci¯ú‡ii mg‡MvÎK? K (CH3)3C – H O H | C OH O || C OR O || C CHO

| L CH3 – (CH2)2 – CH2 – Cl M N 757. `ywU GbvbwmIgvi mgvewZ©Z Av‡jvi Zj‡K AveZ©b K‡iK GKB gvÎvq wecixZ w`‡K L wfbœ wfbœ gvÎvq GKB w`‡K M wfbœ gvÎvq wecixZ w`‡K N GKB gvÎvq GKB w`‡K 758. wb¤œmg~‡ni g‡a¨ Kx wel‡q cv_©K¨ †`Lv hvq? K MvVwbK ms‡KZ L AvYweK ms‡KZ M wÎgvwÎK web¨v‡m N ivmvqwbK a‡g© 759. wMømvwib Gi ùzUbv¼ 296C, Aweï× wMømvwib‡K we‡kva‡bi D‡Ï‡k¨ AvswkK cvZb Ki‡Z †M‡j Zvi ùzUbv‡¼ †cŠuQv‡bvi A‡bK Av‡MB Zv Zv‡c we‡qvwRZ n‡q hvq| Zvn‡j Kxfv‡e wMømvwib we‡kvab Kiv hvq? K w÷g cvZb L wb¤œPvc cvZb M `ªveK wb®‹vkb N †µvgv‡UvMÖvwd 760. A (`ªve¨Zv 25), B (`ªve¨Zv 62) Ges C (`ªve¨Zv 12) wewkó 3wU KwVb c`v‡_©i wgkÖY †_‡K Dcv`vb¸‡jv‡K Kxfv‡e c„_K Kiv hvq? K `ªveK wb®‹vkb L †Kjvmb M AvswkK †Kjvmb N AvswkK cvZb 761. Awa‡kvl‡Yi gvÎv Ges mPj `ªve¨Zv nv‡ii wfbœZv _vK‡j †Kvb wgkÖ‡Yi Dcv`vb¸‡jv‡K †Kvb c×wZ‡Z ci¯úi †_‡K c„_K Kiv hvq? K `ªveK wb®‹vkb L †µvgv‡UvMÖvwd M AvswkK †Kjvmb N AvswkK cvZb 762. ev®ú cvZ‡bi mvnv‡h¨ Dcv`vb msMÖn Kiv nq wb‡¤œi †Kvb Drm (wgkÖY) †_‡K? K wg_vbj (ùzUbv¼ 64 †m.) I B_vb‡ji (ùzUbv¼ 78.3 †m.) wgkÖY L Dw™¢` †_‡K cÖ‡qvRbxq ˆZj msMÖn M A (Mjbv¼ 35 †m.) Ges B (Mjbv¼ 48 †m.) Gi wgkÖY N †jgb MÖvm †_‡K mvBUªvj myMwÜ AvniY 763. nv‡Kj ZË¡ Abym„Z nq bv †Kvb †hŠ‡M? K L M N 764. Kvwe©j A¨vwgb MVb K‡i †Kvb †hŠ‡M? K A¨vwbwjb L †dbj M cÖvBgvwi A¨vwgb N †m‡KÛvwi A¨vwgb 765. ‡KvbwU 1 A¨vwgb bq? K CH3 – CH2 – NH2 L M N 766. wb‡¤œi †KvbwU g‡bvnvBwWªK A¨vj‡Kvnj? K CH3 – CH2 – OH L M N 767. wb‡¤œi †Kvb †hŠM RvwiZ n‡j wK‡Uvb Drcbœ nq? K 1 A¨vj‡Kvnj L 2 A¨vj‡Kvnj M 3 A¨vj‡Kvnj N †Kv‡bvwUB bq 768. K¨vwbhv‡iv wewµqvi g~j kZ© n‡jv Kve©wbj †hŠ‡Mi AYyi - Kve©b cigvYy‡Z nvB‡Wªv‡R‡bi Abycw¯’wZ| myZivs K¨vwbhv‡iv wewµqv †`q †Kvb †hŠ‡M? H CH C C H CH3 3 3 3 CH H C C H CH OH 2 3 3 NH CH | CH CH CH3 NH 2 3 3 3 NH CH C C CH CH C OH CH CH CH 3 3 3 2 2 CH3 OH | CH OH | H C OH

| K H – CHO L CH3 – CHO M Ca3C – CHO N CH3 – CO – CH3 769. wb‡¤œi †KvbwU wK‡Uvb bq? K L M N 770. 992. CH3 –NH2 wewµqvwUi bvg Kx? K ndg¨vb wW‡MÖ‡Wkb L †iv‡RbgvÛ wewµqv M wWKve©w·‡jkb N DU©R wdwUM wewµqv 771. BDwiqvi MVb H2N – CO – NH2| GwU Kx? K GKwU G÷vi L GKwU AvqwbK M GKwU A¨vbnvBWªvBW N Kve©wbj †hŠM 772. ‰Re Gwm‡Wi Kvh©Kix g~jK †KvbwU? K –OH L – COOR M – CONH2 N – COOH 773. (CH3)3C – OH †hŠMwUi IUPAC bvg n‡”QK 2, 2 WvBwg_vBj B_vbj L 2-wg_vBj †cÖvcvbj -2 M weDUvbj -1 N weDUvbj-2 774. Drcbœ A †hŠMwU n‡eK weDwUb-1 L weDwUb-2 M weDUvBb-1 N weDUvb¨vj 775. CH3–CO–O–CO–CH3 †hŠMwUi IUPAC bvg Kx? K B_v‡bvwqK A¨vbnvBWªvBW L A¨vwmwUK A¨vbnvBWªvBW M A¨vwmUvBj B_v‡bv‡qU N WvB A¨vwmUvBj B_vi 776. 1-nvBWªw·-4-3-‡c›Uv‡bvb Gi MvVwbK ms‡KZ †KvbwU? K CH3–CH2–CO–CH(CH3)–CH2–OH L CH3 – CH(CH3) – CO – CH2 – CH2OH M CH3 – C(CH3)2 – COCH2CH3 N (CH3)2CHCH2COH2OH 777. cÖ`Ë †hŠM X (C4H10O) RvwiZ n‡q Aci GKwU †hŠM Y(C4H8O) Drcbœ K‡i| Y †hŠMwU 2, 4 DNP Ges (I2/NaOH) Dfq weKvi‡Ki mv‡_ wewµqvq njy` e‡Y©i Aat‡ÿc m„wó K‡i| A †hŠM †KvbwU? K CH3 – CH2CH2CH2OH L CH3 – CH(CH3) – CH2OH M CH3CH(OH)CH2CH3 N CH3CH2 – O – CH2CH3 778. HCC – CH2 – CH=CH2 †hŠMwUi IUPAC bvg Kx? K †c›U-1-Bb-4-AvBb L ‡c›U-1-AvBb-4-Bb M 1-‡c›UvBb-4-AvBb N 1-†cw›Ub-1-AvBb 779. wb‡Pi †KvbwU †ebwRb ej‡qi mwµqZv n«vm K‡i? K – OH L – NH3 M – CHO N – CH3 780. 1, 2 Ges 3 A¨vwg‡bi g‡a¨ cv_©K¨ wbiƒcbKvix weKviK †KvbwU? K NaNO2 Ges Mvp HCl L NaNO3 Ges Mvp HCl M NaNO3 Ges jNy HCl N NaNO2 Ges jNy HCl 781. (cÖavb Drcv`) + mn Drcv` A Gi ms‡KZ †KvbwU? K H2C = CH2 L CH3 – CH2 – OH M (CH3–CH2)2O N CH3 – CH3 782. DÏxc‡Ki X Gi KZ b¤^i Kve©‡b – NO2 hy³ Av‡Q? K 2 L 3 M 4 N 6 3 CH3 O || Cl C C Cl O || CH3 C O 3 OCH3 O || CH C NH Br KOH O || CH3 C 2 2 A H O Al O CH CH CH CH OH 2 2 3 3 2 2 2 CH3 CH2 Cl KOH(alc) A X H O H SO HNO ( NH 2 2 4 3 2 Mvp)

| 783. + H2O; A Gi bvg Kx? K †cÖvcvb¨vj L †cÖvcv‡bvb M †cÖv‡cb N †cÖvcvbwqK GwmW 784. X, Y, Z Gi ùzUbv‡¼i †Kvb µg mwVK? K X Y Z L X Z Y M Y Z X N Z X Y 785. ‡ebwRb‡K I‡RvbxKiY Ki‡j wb‡Pi †Kvb †hŠMwU cvIqv hvq? K A·vwjK GwmW L MøvBAw·g M MøvBA·vj N MøvBwmb 786. ‡Z Kve©b Kve©b eÜb ˆ`N©¨ KZ? K 0.154 nm L .139 nm M 0.134 nm N 0.121 nm 787. C2H6O Øviv mev©waK KqwU mgvYy †jLv m¤¢e? K 2 L 3 M 4 N 5 788. ‡WU‡ji †ebwRb P‡µ Cl cigvYyi KZ b¤^i Kve©‡b i‡q‡Q? K 2 L 3 M 4 N 6 789. ‡KvbwU Cu(NH3)2Cl Gi mv‡_ wewµqv Ki‡e? K weDwUb-2 L weDwUb-1 M weDUvBb-1 N weDUvBb -2 790. CH3COOH kbv³Ki‡Y wb‡Pi †KvbwU e¨eüZ nq? K Na2CO3 L NaHCO3 M As2O3 N MnO2 791. PVC Drcv`‡b †KvbwU KvuPvgvj wn‡m‡e e¨eüZ nq? K B‡_bL Bw_b M B_vBb N †ebwRb 792. AMÖMY¨ g~jK †KvbwU? K – CH3L – CHO M – COOH N 793. UjyBb (dyUšÍ) ; X G KqwU †K¬vwib cigvYy hy³ Av‡Q? K 1 L 2 M 3 N 6 794. 200C ZvcgvÎvq Ni P~‡Y©i Dcw¯’wZ‡Z A †Z Kq AYy H2 hy³ n‡Z cv‡i? K 1 L 2 M 3 N 4 795. ‡hŠMwUi IUPAC bvg Kx? K 2-(N, N WvB wg_vBj A¨vwg‡bv)-3 wg_vBj weD‡Ub L 3-(N, N-WvB wg_vBj A¨vwg‡bv)-2 wg_vBj weD‡Ub M 1-(N,N WvB wg_vBj A¨vwg‡bv)-2, 3 wg_vBj weD‡Ub N 2- (N, N WvB wg_vBj A¨vwg‡bv)-3 wg_vBj weD‡Ub 796. ¸iæi Pwe© + NaOH (aq) C17H35–COONa + A A + P2O5 B + Drcv` DÏxc‡Ki B Gi IUPAC bvg Kx? K wMømvwibL †cÖvcvb¨vj M †cÖvwcb-1 N †cÖvwcb-1-A¨vj 797. bvBUªvB‡ji Kvh©Kix g~j‡Ki ms‡KZ †KvbwU? K – CN L – OH M – CNS N – NO2 798. COOH–COOH IUPAC c×wZ‡Z bvg Kx? K A·vwjK GwmW L B_vb WvBAwqK GwmW M B_vbwqK GwmW N WvBKve©w·wjK GwmW CH3 CH(OH)CH3 A ‡&µvwgK GwmW (X) (Y) [O] CH CHO [O] CH3 CH2OH 3 (Z) CH3 COOH A;A 70 C Ni HC CH CO X HCl Cl2 2 2 3 6 14 A H 40atm Al O ,500 C C H 3 3 3 2 3 CH CH | CH CH | N CH | CH CH