| 1 |
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
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| 2 |
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
|
| 3 |
Which properties of liquid is measured by polarimeter |
- A. Conductance
- B. Refractive index
- C. Optical activity
- D. Change in volume
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| 4 |
|
- A. 1
- B. 2
- C. 3
- D. None of these
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| 5 |
Rate of a chemical reaction generally increase rapidly even for small increase in temperature because of rapid increase in the |
- A. Collisions frequency
- B. Activation energy
- C. Average KE of molecules
- D. Fraction of molecules with energies more than activation energy
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| 6 |
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
|
| 7 |
the rate of reaction when concentration of reactants are taken unity is called. |
- A. Average rate
- B. Instantaneous rate
- C. Specific rate
- D. Rate equation
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| 8 |
The unit of the rate constant is the same as that of the rate of reaction in |
- A. First order reaction
- B. Second order reaction
- C. Zero order reaction
- D. Third order reaction
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| 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
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| 10 |
The unit of rate constant depends upon |
- A. Number of reactants
- B. Concentration terms
- C. Order of reaction
- D. Molecularity of reaction
|