- 1(current)
Q. No. The process of chemisorption is :
1. Highly specific in nature.
2. Dependent on the surface area of the adsorbent.
3. Not specific in nature.
4. Both (1) and (2)
1. Highly specific in nature.
2. Dependent on the surface area of the adsorbent.
3. Not specific in nature.
4. Both (1) and (2)
Subtopic: Â Adsorption and Absorption |
 87%
Level 1: 80%+
Hints
Given below are two statements:
| Assertion (A): | Physisorption decrease with the increase in temperature. |
| Reason (R): | Physisorption is exothermic in nature. |
| 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. | (A) is false but (R) is true. |
Subtopic: Â Adsorption and Absorption |
 69%
Level 2: 60%+
Hints
Given below are two statements:
| Assertion (A): | Powdered substances are more effective adsorbents than their crystalline forms |
| Reason (R): | Powdered substance has more surface area and the extent of adsorption increases with the increase of the surface area of the adsorbent. |
| 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. | (A) is false but (R) is true. |
Subtopic: Â Adsorption and Absorption |
 94%
Level 1: 80%+
Hints
The role of desorption in the process of catalysis is to :
1. Slower the rate of reaction.
2. Make the surface of solid catalyst free.
3. Increase the temperature of reaction.
4. Decrease the availabilty of surface for reactants.
1. Slower the rate of reaction.
2. Make the surface of solid catalyst free.
3. Increase the temperature of reaction.
4. Decrease the availabilty of surface for reactants.
Subtopic: Â Adsorption and Absorption |
 66%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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