chemistry 1st model test 19

8 cvGéix ‰BP‰mwm ˆgBW BwR: cÉkc² ò  imvqb cÉ^g cò

9. ˆfvjv miKvwi KGjR, ˆfvjv

imvqb: cÉ^g cò welq ˆKvW: 1 7 6

mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² gvb: 50

1. M. Lv`Å msiÞGY A `ËeGYi ˆKŒkj eYÆbv Ki| 3

N. MÐvm KÑxbvi wnGmGe B I C `ËeGYi DchyÚZv gƒjÅvqb Ki| 4

K 5. i) A2(g) + 3B2(g) HZPoovvoccoI 2AB3(g) H = Ve

L K. wewKÌqvi nvi Kx? 1
M
L. mvgÅvâ Amxg nGZ cvGi bv ˆKb? 2

N M. weGqvRb aË‚eK  aGi DóxcGKi wewKÌqvi Kp ‰i ivwkgvjv cwÉ Zcv`b
Ki| 3
K. AiweUvj Kx? 1

L. jeGYi gƒjK kbvÚKiGY wkLv cixÞvq HCl eÅenvi Kiv nq ˆKb? 2 N. DóxcGKi wewKÌqvwUi AwaK cwigvY Drcv` m†wÓ¡i ˆÞGò jÅv-

M. DóxcGKi ˆgŒGji M ˆkGji kwÚ wbYÆq Ki| 3 kÅvGZwjqvGii bxwZi cÉGqvM eYÆbv Ki| 4

N. DóxcGKi ˆgŒjwUi BGjKUÇb mGeÆvœP Õ¦i ˆ^GK K Õ¦Gi Õ©vbv¯¦Gii 6. chÆvq MË~c-1 MÉ‚c-2 MË~c-3 MË~c-16 MË~c-17

ˆÞGò m†Ó¡ ˆiLvi cÉK‡wZ weGkÏlY Ki| 4 w«¼Zxq X

2. bvBGUÇvGRb ‰es AwÝGRb h^vKÌGg 'X' I 'Y' bvgK nvBWÈvBW ˆhŒM

MVb KGi| Drc®² ˆhŒM `ywU mvaviY AeÕ©vq h^vKÌGg MÅvmxq ‰es Zij Z†Zxq A B C D

AeÕ©vq ^vGK| K. AeÕ©v¯¦i ˆgŒj Kx? 1

K. AeÕ©v¯¦i ˆgŒj Kx? 1 L. F meÆvGcÞv Zwor FYvñK ˆgŒj eÅvLÅv Ki| 2

L. SO3 ‰i Rjxq `ËeY cKÉ ‡wZ eÅvLÅv Ki| 2 M. DóxcGK DwÍÏwLZ Z‡Zxq chÆvGq ˆgŒjàGjvi mvG^ X ‰i mg®¼Gq m†Ó¡
M. DóxcGKi ˆhŒM«¼Gqi ˆfŒZ AeÕ©vi wf®Z² vi KviY ˆjL| 3
ˆhŒMmgƒGni Rjxq `ËeY cKÉ ‡wZ wbi…cY Ki| 3

N. DóxcGKi 'X' I 'Y' ˆhŒGM m†Ó¡ e®¬b ˆKvGYi wf®Z² vi KviY eÅvLÅv N. DóxcGK DwÍÏwLZ A, B I C ‰i mvG^ D ‰i mg®¼Gq m†Ó¡ ˆhŒMmgƒGni

Ki| 4 mgGhvRx Pwiò weGkÏlY Ki| 4

3. 25C Zvcgvòvq `ywU cixÞvbGj h^vKÌGg 20 mL 0.02 M AgNO3 7. i) N2O4(g) HooooooI 2NO2(g) H = +57.2 kJ/mol

‰es 40 mL 0.04M NaCl ivLv AvGQ| DÚ Zvcgvòvq AgNO3 ‰i `ËveÅZv K. wewKÌqv Zvc Kx? 1
2.2  103g/L ‰es AgCl ‰i `ËveÅZv àYdj 1.8  1010 [Ag ‰i
L. `yeÆj ‰wmW I ZxeË ÞvGii cÉkgb ZvGci cÉK‡wZ eÅvLÅv Ki| 2

cvigvYweK fi 108] M. 27C Zvcgvòvq 1 atm PvGc wewKÌqGKi 25% weGqvwRZ nGj wewKÌqvq

K. `ËveÅZv Kx? 1 AvswkK PvGc mvgÅvâ wbYÆq Ki| 3

L. `ËeGY CO32- KxfvGe kbvÚ KiGe? 2 N. DóxcK mswkÏÓ¡ wewKÌqvq ˆÞGò mvgÅvGâi mvG^ Zvcgvòv mÁ·KÆ

M. DóxcGK ewYÆZ Zvcgvòvq c^É g cixÞvbGji `ËeGYi `ËveÅZv àYdj weGkÏlY Ki| 4

wbYÆq Ki| 3 8. 25 mL 0.1 M 15 mL cvò«¼Gqi
0.1 M `ËeGYi wgkÉY
N. DóxcGKi DwÍÏwLZ `ËeY `ywU ˆ^GK AatGÞcGbi mÁ¿vebv hvPvB Ki| 4 Ka = 1.8  10–4

4. `ËeY msGKZ cvò-1 (HA) cvò-2 (NaOH) cvò-3

A 10% CH3COOH K. UvBGUÇkb Kx? 1
B NH3
C NaOH L. ˆmGK´£vwi Õ¡Åv´£vWÆ c`vG^Æi `ywU caÉ vb ŠewkÓ¡Å ˆjL| 2

K. wcÉRviGfwUfm Kx? M. DóxcGKi 1 bs cvGòi `ËeGYi pH wbYÆq Ki| 3
L. `ya ‰KwU KjGqW eÅvLÅv Ki|
1 N. DóxcGKi 3 bs cvGò mvgvbÅ jNy HCl ˆhvM Kiv nGj wgkÉGYi pH
2
cwieZÆGbi Õ¼i…c eÅvLÅv Ki| 4