1. A
   N-methylaniline > benzenamine > ethanamine > N-ethylethanamine
2. B
   N-ethylethanamine > ethanamine > benzenamine > N-methylaniline
3. C
   N-ethylethanamine > ethanamine > N-methylaniline > benzenamine
4. D
   benzenamine > ethanamine > N-methylaniline > N-ethylethanamine

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1. A
   A, B, and C only
2. B
   A, B, and D only
3. C
   B, C, and D only
4. D
   B, D, and E only

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1. A
   A-I, B-III, C-II, D-IV
2. B
   A-IV, B-III, C-I, D-II
3. C
   A-II, B-III, C-I, D-IV
4. D
   A-IV, B-III, C-II, D-I

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1. A
   $(\text{CH}_3)_3\text{CCOOH} > (\text{CH}_3)_2\text{CHCOOH} > \text{CH}_3\text{COOH} > \text{HCOOH}$
2. B
   $\text{CH}_3\text{COOH} > (\text{CH}_3)_2\text{CHCOOH} > (\text{CH}_3)_3\text{CCOOH} > \text{HCOOH}$
3. C
   $\text{HCOOH} > \text{CH}_3\text{COOH} > (\text{CH}_3)_2\text{CHCOOH} > (\text{CH}_3)_3\text{CCOOH}$
4. D
   $\text{HCOOH} > (\text{CH}_3)_3\text{CCOOH} > (\text{CH}_3)_2\text{CHCOOH} > \text{CH}_3\text{COOH}$

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1. A
   Both Statement I and Statement II are true
2. B
   Both Statement I and Statement II are false
3. C
   Statement I is true but Statement II is false
4. D
   Statement I is false but Statement II is true

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1. A
   A-IV, B-III, C-I, D-II
2. B
   A-IV, B-III, C-II, D-I
3. C
   A-III, B-IV, C-I, D-II
4. D
   A-III, B-IV, C-II, D-I

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1. A
   83.1
2. B
   $2.077 \times 10^5$
3. C
   0.033
4. D
   0.021

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1. A
   Both Statement I and Statement II are correct
2. B
   Both Statement I and Statement II are incorrect
3. C
   Statement I is correct but Statement II is incorrect
4. D
   Statement I is incorrect but Statement II is correct

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1. A
   2
2. B
   3
3. C
   5
4. D
   6

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1. A
   II > I > III
2. B
   I > II > III
3. C
   III > II > I
4. D
   II > III > I

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1. A
   Cyclohexane
2. B
   Phenol ($\text{C}_6\text{H}_5\text{OH}$)
3. C
   Styrene ($\text{C}_6\text{H}_5\text{-CH=CH}_2$)
4. D
   Aniline ($\text{C}_6\text{H}_5\text{-NH}_2$)

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1. A
   A tertiary alcohol at the ketone carbon while the nitrile is retained ($\text{C}_6\text{H}_5\text{-C(CH}_3)(\text{OH})\text{-CH}_2\text{-CH}_2\text{-CN}$)
2. B
   A tertiary alcohol at the former ketone carbon and a methyl ketone from the nitrile ($\text{C}_6\text{H}_5\text{-C(CH}_3)(\text{OH})\text{-CH}_2\text{-CH}_2\text{-CO-CH}_3$)
3. C
   Two hydroxyl groups (double addition giving a diol-type product with two $\text{CH}_3$ at the far end)
4. D
   A phenyl ketone retained with a methyl ketone from the nitrile (both C=O retained)

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1. A
   0.01 M Urea
2. B
   0.01 M $\text{KNO}_3$
3. C
   0.01 M $\text{Na}_2\text{SO}_4$
4. D
   0.015 M $\text{C}_6\text{H}_{12}\text{O}_6$

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1. A
   A-I, B-II, C-IV, D-III
2. B
   A-II, B-III, C-I, D-IV
3. C
   A-I, B-II, C-III, D-IV
4. D
   A-I, B-IV, C-III, D-II

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1. A
   The solution shows positive deviation.
2. B
   The solution shows negative deviation.
3. C
   The solution is ideal.
4. D
   The solution has volume greater than the sum of individual volumes.

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1. A
   D-Glucose
2. B
   D-Fructose
3. C
   Maltose
4. D
   Sucrose

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1. A
   (i) $\text{LiAlH}_4$, (ii) $\text{H}^{+}/\text{H}_2\text{O}$
2. B
   (i) $\text{AlH(iBu)}_2$, (ii) $\text{H}_2\text{O}$
3. C
   (i) $\text{NaBH}_4$, (ii) $\text{H}^{+}/\text{H}_2\text{O}$
4. D
   $\text{H}_2/\text{Pd-BaSO}_4$

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1. A
   Both A and R are true and R is the correct explanation of A
2. B
   Both A and R are true but R is not the correct explanation of A
3. C
   A is true but R is false
4. D
   A is false but R is true

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1. A
   $-128.5$
2. B
   $-133.0$
3. C
   $+133.0$
4. D
   $+220.5$

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1. A
   6
2. B
   8
3. C
   10
4. D
   11

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1. A
   A, D only
2. B
   B, D only
3. C
   A, C only
4. D
   B, C only

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1. A
   A, D only
2. B
   B, C only
3. C
   B, C, D only
4. D
   A, C, D only

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1. A
   69.3 s
2. B
   23.1 s
3. C
   210 s
4. D
   21.0 s

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1. A
   $\text{Na} + \text{C} + \text{N} \xrightarrow{\Delta} \text{NaCN}$
2. B
   $2\text{Na} + \text{S} \xrightarrow{\Delta} \text{Na}_2\text{S}$
3. C
   $\text{Na} + \text{X} \xrightarrow{\Delta} \text{NaX}$
4. D
   $2\text{CuO} + \text{C} \xrightarrow{\Delta} 2\text{Cu} + \text{CO}_2$

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1. A
   Cytochrome bc$_1$
2. B
   Succinate dehydrogenase
3. C
   Cytochrome c oxidase
4. D
   NADH dehydrogenase

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