- 1(current)
Q. No.Which one is an example of heterogeneous catalysis?
| 1. | Combination between dinitrogen and dihydrogen to form ammonia in the presence of finely divided iron. |
| 2. | Oxidation of sulphur dioxide into sulphur trioxide in the presence of oxides of nitrogen. |
| 3. | Hydrolysis of sugar catalysed by H+ ions. |
| 4. | Decomposition of ozone in presence of nitrogen monoxide. |
Subtopic: Â Catalyst |
 53%
Level 3: 35%-60%
NEET - 2023
Hints
The incorrect statement regarding enzymes is:
| 1. | Enzymes are very specific for a particle reaction and substrate. |
| 2. | Enzymes are biocatalysts. |
| 3. | Like chemical catalysts, enzymes reduce the activation energy of bio processes. |
| 4. | Enzymes are polysaccharides. |
Subtopic: Â Catalyst |
 79%
Level 2: 60%+
NEET - 2022
Hints
Which one of the following statements is not correct?
(1) Catalyst does not initiate any reaction
(2) The value of equilibrium constant is changed in the presence of a catalyst in the reaction equilibrium
(3) Enzymes catalyse mainly biochemical reaction
(4) Coenzymes increase the catalytic activity of enzyme
Subtopic: Â Catalyst |
 77%
Level 2: 60%+
NEET - 2017
Hints
The addition of a catalyst during a chemical reaction alters which of the following quantities?
(1) Internal energy
(2) Enthalpy
(3) Activation energy
(4) Entropy
Subtopic: Â Catalyst |
 91%
Level 1: 80%+
NEET - 2016
Hints
- 1(current)
Q. No.
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