| 1 |
The power of which the concentration of a substance appears in the rate expression is known as |
- A. order of reaction with respect to that substance
- B. Rate of reaction
- C. Order of reaction
- D. Molecularity of reaction
|
| 2 |
Half -Life for a given reaction is doubled if initial concentration is doubled. The order of reaction is. |
|
| 3 |
The unit of rate constant is the same as that of the rate of reaction is. |
- A. First order reaction
- B. Second order reaction
- C. Zero order reaction
- D. Third order reaction
|
| 4 |
The rate of reaction |
- A. Increases as the reaction proceeds
- B. Decreases as the reaction proceeds
- C. Remains the same as the reaction proceeds
- D. May decrease or increase as the reaction proceeds
|
| 5 |
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
|
| 6 |
All radio active disintegration nuclear reaction are of. |
- A. First order
- B. Zero order
- C. 2nd order
- D. Third order
|
| 7 |
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
|
| 8 |
With increase in 10°C temperature, the rate of reaction double. This increase in rate of reaction is due to |
- A. Decrease in activation energy of reaction
- B. Decrease in the number of collisions between reactant molecules
- C. Increases in activation energy of reactants
- D. Increase in number of effect collisions
|
| 9 |
When a chemical reaction is completed the |
- A. Instantaneous rate > average rate
- B. Instantaneous rate = average rate
- C. Instantaneous rate is zero
- D. Both average and instantaneous rates become zero
|
| 10 |
Glucose can be converted into ethanol by an enzyme. |
- A. Lipase
- B. Zymase
- C. Sucrose
- D. Urease
|