| 1 |
In zero order reaction the rate is independent of. |
- A. Temperature of reaction
- B. Concentration of reactants
- C. Concentration of products
- D. None of these
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| 2 |
The unit of rate constant depends upon |
- A. Number of reactants
- B. Concentration terms
- C. Order of reaction
- D. Molecularity of reaction
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| 3 |
Which statement is incorrect about activated complex |
- A. Short lived
- B. Maximum energy
- C. Unstable combination of atoms
- D. Less energy than Ea
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| 4 |
When a chemical reaction is completed. |
- A. Instantaneous rate > average rate
- B. Instantaneous rate = average rate
- C. Instantaneous rate is zero
- D. Both average and instantaneous rates become zero
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| 5 |
The rate of reaction determined at any given time is called. |
- A. Average rate
- B. Instantaneous rate
- C. Spontaneous rate
- D. Over all rate
|
| 6 |
Which statement is incorrect about order of reaction |
- A. It cannot be determined experimentally
- B. It is determined experimentally
- C. Sum of exponents in rate equation
- D. It can have fraction value
|
| 7 |
A type of meals are usually used as catalyst. |
- A. Coinage metal
- B. Alkali metals
- C. Transition metals
- D. alkaline earth metals
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| 8 |
Which one of the following statements is incorrect. |
- A. Enzymes are protein in nature
- B. Enzymes are catalyst
- C. Enzymes can catalyze any reaction
- D. Urease is an enzyme
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| 9 |
All radio active disintegration nuclear reaction are of. |
- A. First order
- B. Zero order
- C. 2nd order
- D. Third order
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| 10 |
A substance which itself is not a catalyst but increases the activity of a catalyst is called. |
- A. Promoter
- B. Poisoner
- C. Inhibitor
- D. Enzyme
|