Q. No.| Assertion (A): | The reaction for which ∆n=0 there is no effect of pressure on equilibrium. |
| Reason (R): | A change in pressure results in no change in the value of the equilibrium constant. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
| Assertion (A): | For a reaction, the concentration quotient (Q) is equal to K when the reaction is in equilibrium. |
| Reason (R): | If a catalyst is added to the reaction at equilibrium, the value of Q remains unchanged and is no longer equal to K. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Assertion: The equilibrium constant of a reaction changes by changing the stoichiometric coefficients of the reaction.
Reason: The reaction,
and have the same equilibrium constant.
1. Both assertion & reason are true and the reason is the correct explanation of the assertion.
2. Both assertion & reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is a true statement but the reason is false.
4. Both assertion and reason are false statements.
| Assertion (A): | The aqueous solution of \(CH_3COONa\) is alkaline in nature. |
| Reason (R): | Sodium acetate undergoes cationic hydrolysis. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Assertion: At equilibrium,
Reason: When \(K_c> Q_c\), the reaction mainly goes in the forward direction.
| 1. | Both assertion & reason are true and the reason is the correct explanation of the assertion. |
| 2. | Both assertion & reason are true but the reason is not the correct explanation of the assertion. |
| 3. | Assertion is a true statement but the reason is false. |
| 4. | Both assertion and reason are false statements. |
Given below are two statements:
| Assertion (A): | H - acts as both Bronsted Lowry base as well as Lewis base. |
| Reason (R): | It acts as both H ⊕ acceptor and a lone pair donor. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Match the following equilibria with the corresponding condition.
| A. | Liquid ⇌ Vapour | I. | Saturated solution |
| B. | Solid ⇌ Liquid | II. | Boiling point |
| C. | Solid ⇌ Vapour | III. | Sublimation point |
| D. | Solute (s) ⇌ Solute (solution) | IV. | Melting point |
| V | Unsaturated solution |
Codes:
| A | B | C | D | |
| 1. | II | IV | III | I |
| 2. | I | II | III | V |
| 3. | V | IV | III | II |
| 4. | IV | V | III | II |
Match the following reactions with the corresponding equilibrium constant:
| Column-I (Reaction) | Column-II (Equilibrium constant) | ||
| A. | (i) | ||
| B. | (ii) | ||
| C. | (iii) | ||
| (iv) |
Codes:
| A | B | C | |
| 1. | (iv) | (iii) | (ii) |
| 2. | (i) | (ii) | (iii) |
| 3. | (i) | (iv) | (iii) |
| 4. | (iv) | (i) | (iii) |
Match the standard free energy of the reaction with the corresponding equilibrium constant:
| A | \(\Delta \mathrm{G}^{\ominus}>0\) | (a) | K>1 |
| B | \(\Delta \mathrm{G}^{\ominus}<0\) | (b) | K=1 |
| C | \(\Delta \mathrm{G}^{\ominus}=0\) | (c) | K=0 |
| (d) | K<1 |
Codes:
| A | B | C | |
| 1. | (d) | (a) | (b) |
| 2. | (a) | (b) | (c) |
| 3. | (b) | (d) | (c) |
| 4. | (d) | (a) | (c) |
Match the following species with the corresponding conjugate acid:
| Species | Conjugate acid |
| A. | 1. |
| B. | 2. |
| C. | 3. |
| D. | 4. |
| 5. |
Codes
| A | B | C | D | |
| 1. | 2 | 5 | 1 | 5 |
| 2. | 2 | 4 | 3 | 5 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 5 | 3 | 2 |
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