Multiple choice question
Multiple choice question Multiple choice question
on consuming, two third of reactants equilibrium was established. Calculate the free energy change for this reaction iz'u&44 vfHkfØ;k dh fn'kk Kkr djus esa gsYegkYV~t lehdj.k dk mi;ksx fuEu fcUnqvks ds vk/kkj ij dhft;s& (a) tc �H ,oa T�S nksuks ds eku _.kkRed gksaA (b) tc �H ,oa T�S nksuks ds eku /kukRed gksaA (c) tc �H _.kkRed rFkk T�S /kukRed gksA (d) tc �H /kukRed vkSj T�S _.kkRed gksA How Helmholtz equation is helpful in determining the direction of a reaction. Give an account on the basis of following points– (a) When �H and T�S both are negative (b) When �H and T�S both are postive (c) When �H is negative & T�S is positive (d) �H is positive and T�S is negative. iz'u&45 Å"ek'kks"kh rFkk Å"ek{ksih vfHkfØ;kvksa ds fy;s vfHkfØ;k dh lEekO;rk ij rki dk D;k izHkko iM+rk gS] Li"V dhft;s\ Explain the effect of temperature for exothermic and endothermic reaction for the feasibility of a reaction. 42
cgqfodYih; cgqfodYih; iz'uA iz'uA bdkbZ&7 bdkbZ&7 ¼jklk;fud ¼jklk;fud lkE;½ lkE;½ (Atomic Structure and Chemical Bonding) cgqfodYih; iz'uA Multiple choice question 1 1 vad vad okys okys okys iz'u iz'u 1 N O 2 4 2NO vfHkfØ;k esa Kp rFkk Kc ds e/; laca/k gksxk& 2 In this reaction the relation between Kp and Kc will be– (a) Kp = Kc (b) Kp < Kc (c) Kp > Kc (d) Kp = Kc (RT) �H 2 H 2 + I 2 2HI ds fy;sA For reaction H 2 + I 2 2HI (a) Kp = Kc (b) Kp < Kc (c) Kp > Kc (d) Kp = Kc (RT) �H 3 PCl 5 PCl 3 + Cl 2 esa& In PCl 5 PCl 3 + Cl 2 (a) Kp = Kc (b) Kp < Kc (c) Kp > Kc (d) Kp = Kc + �nRT 4 2NO 2 N 2 O 4 ds fy;s& For 2NO 2 N 2 O 4 (a) Kp = Kc (b) Kp < Kc (c) Kp > Kc (d) Kp = Kc + �nRT 5 2NH 3 N 2 3H 2 vfHkfØ;k esa& For reaction 2NH 3 N 2 3H 2 (a) Kp = Kc (b) Kp < Kc (c) Kp > Kc (d) Kp = Kc(RT) �n 6 2SO 2 + O 2 2SO 3 ds fy;s& (a) Kp = Kc (b) Kp < Kc (c) Kp > Kc (d) Kp = Kc �nRT 43
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- Page 3 and 4: 5 fLFkj vuqikr fu;e ds LFkkid Fks&
- Page 5 and 6: 17 6.023 x 1023 fdlh Hkh nzO; ds ,d
- Page 7 and 8: cgqfodYih; cgqfodYih; iz'uA iz'uA b
- Page 9 and 10: According to Aufbau principle elect
- Page 11 and 12: 18 Cr rRo dk bySDVªkfud foU;kl ---
- Page 13 and 14: iz'u&37 fdlh rRo dk ijek.kq Øekad
- Page 15 and 16: The increasing order of size will b
- Page 17 and 18: 22 Li ,oa Mg rFkk Be vkSj Al ds xq.
- Page 19 and 20: iz'u&35 fdlh vkorZ esa rFkk lewg es
- Page 21 and 22: c
- Page 23 and 24: 19 vk/kqfud vkorZ lkfj.kh fuEu esa
- Page 25 and 26: iz'u&31 gkbMªkstu cU/k ds dkj.k ;k
- Page 27 and 28: 2 O rFkk H dk ?kuRo vuqikr 16:1 gS
- Page 29 and 30: Evaporation of water should come un
- Page 31 and 32: iz'u&27 ,oksxsMªks fu;e dks ifjHkk
- Page 33 and 34: iz'u&42 ije 'kwU;] ije rki ,oa NTP
- Page 35 and 36: 8 mRØe.kh; vfHkfØ;k ds fy;s lkE;
- Page 37 and 38: fjDr fjDr fjDr LFkkuksa LFkkuksa dh
- Page 39 and 40: In measuring �U and �H for calc
- Page 41: If �H f ° = 3400 cal/mol, then c
- Page 45 and 46: 12 Kc dh bdkbZ gS& (a) ¼eksy izfr
- Page 47 and 48: 22 mRØe.kh; jklk;fud vfHkfØ;kvksa
- Page 49 and 50: Differentiate among concept of acid
- Page 51 and 52: In oxidation state there is- (a) Ga
- Page 53 and 54: In the froth floating process parti
- Page 55 and 56: iz'u&7 fo|qr jklk;fud lSy dk ukekaf
- Page 57 and 58: iz'u&19 xkayd fdl dgrs gS\ bldk pqu
- Page 59 and 60: 5 H 2 O, H 2 S, H 2 Se rFkk H 2 Te
- Page 61 and 62: Explain the structure of H 2 O 2 wi
- Page 63 and 64: (b) Na 2 SO 4 dh ty;kstu ÅtkZ tkyd
- Page 65 and 66: Give labelled diagram for soda amon
- Page 67 and 68: iz'u&31 f}rh; lewg ds rRoks dks {kk
- Page 69 and 70: fjDr fjDr LFkkuks LFkkuks dh dh iwf
- Page 71 and 72: In any group atomic mass increase g
- Page 73 and 74: Describe electrolytic method for ge
- Page 75 and 76: In elements of group-14, on coming
- Page 77 and 78: 4 4 4 ,oa ,oa ,oa 5 5 5 vad vad oky
- Page 79 and 80: 2 ftu nzo inkFkksZ ds DoFkukad fHkU
- Page 81 and 82: 8 isij ØksesVksxzkQh }kjk jaxks dk
- Page 83 and 84: 16 dsfj;l uyh esa CH 2 ClCOOH dks l
- Page 85 and 86: 4 4 4 ,oa ,oa ,oa 5 5 5 vad vad oky
- Page 87 and 88: iz'u&43 fuEu dks izsj.k izHkko ds v
- Page 89 and 90: 4 C H O ds }kjk fdru izdkj ds vYdks
- Page 91 and 92: iz'u&14 esØksekWyhD;wy D;k gksrs g
cgqfodYih; cgqfodYih; iz'uA<br />
iz'uA<br />
bdkbZ&7<br />
bdkbZ&7<br />
¼jklk;fud ¼jklk;fud lkE;½<br />
lkE;½<br />
(Atomic Structure and Chemical Bonding)<br />
cgqfodYih; iz'uA <strong>Multiple</strong> <strong>choice</strong> <strong>question</strong><br />
1 1 vad vad okys okys okys iz'u<br />
iz'u<br />
1 N O 2 4 2NO vfHkfØ;k esa Kp rFkk Kc ds e/; laca/k gksxk&<br />
2<br />
In this reaction the relation between Kp and Kc will be–<br />
(a) Kp = Kc (b) Kp < Kc<br />
(c) Kp > Kc (d) Kp = Kc (RT) �H<br />
2 H 2 + I 2 2HI ds fy;sA For reaction H 2 + I 2 2HI<br />
(a) Kp = Kc (b) Kp < Kc<br />
(c) Kp > Kc (d) Kp = Kc (RT) �H<br />
3 PCl 5 PCl 3 + Cl 2 esa& In PCl 5 PCl 3 + Cl 2<br />
(a) Kp = Kc (b) Kp < Kc<br />
(c) Kp > Kc (d) Kp = Kc + �nRT<br />
4 2NO 2 N 2 O 4 ds fy;s& For 2NO 2 N 2 O 4<br />
(a) Kp = Kc (b) Kp < Kc<br />
(c) Kp > Kc (d) Kp = Kc + �nRT<br />
5 2NH 3 N 2 3H 2 vfHkfØ;k esa& For reaction 2NH 3 N 2 3H 2<br />
(a) Kp = Kc (b) Kp < Kc<br />
(c) Kp > Kc (d) Kp = Kc(RT) �n<br />
6 2SO 2 + O 2 2SO 3 ds fy;s&<br />
(a) Kp = Kc (b) Kp < Kc<br />
(c) Kp > Kc (d) Kp = Kc �nRT<br />
43