- 1(current)
Q. No.A catalyst will not:
| 1. | Increase the forward reaction rate. |
| 2. | Shift the equilibrium to favor the products. |
| 3. | Alter the reaction pathway. |
| 4. | Increase the speed at which equilibrium will be achieved. |
Subtopic: Catalyst |
55%
Level 3: 35%-60%
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Hints
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Which of the following statements is/are incorrect?
1. i only
2. i and ii only
3. ii and iii only
4. iii only
| (i) | A catalyst lowers the activation energy of a reaction. |
| (ii) | A catalyst allows the same rate of reaction to be achieved at a lower temperature. |
| (iii) | A catalyst mixes with the reactants and increases the overall concentration of reactants in the rate equation. |
2. i and ii only
3. ii and iii only
4. iii only
Subtopic: Catalyst |
Level 3: 35%-60%
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Hints
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Given below are two statements:
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 and (R) is False
4. (A) is False and (R) is True
| Assertion (A): | The catalyst can increase the rate constant to a large extent. |
| Reason (R): | By using a suitable catalyst, we can increase the rate of reaction. |
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 and (R) is False
4. (A) is False and (R) is True
Subtopic: Catalyst |
Level 3: 35%-60%
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Hints
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Consider the following graph
Choose the incorrect statement(s)
1. Reaction is exothermic in the forward direction i.e., H = -ve
2. Activation energy for the forward reaction is x - y
3. Using catalyst energy will decrease H value of the reaction
4. All of the above
Subtopic: Catalyst |
76%
Level 2: 60%+
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Hints
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- 1(current)
Q. No.
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