| 1 |
The reaction that involves gases, its rate does not depend upon |
- A. Catalyst
- B. Temperature
- C. Moles dm<sup>-3</sup>
- D. Partial pressure
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| 2 |
The influence of temperature on reaction rate is predicated by |
- A. Free energy change of reaction
- B. Arrhenius equation
- C. Van der weal's equation
- D. Kinetic equation
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| 3 |
The unit of the rate constant is 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
|
| 4 |
Which properties of liquid is measured by polarimeter |
- A. Conductance
- B. Refractive index
- C. Optical activity
- D. Change in volume
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| 5 |
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
|
| 6 |
When a reaction occurs in many steps than the slowest step is. |
- A. Mechanism step
- B. Rate determining step
- C. enthalpy determining step
- D. None of the above
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| 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 |
After 3 half life of a chemical reaction, amount of reactant un reactive will be. |
- A. 50%
- B. 25%
- C. 12.5%
- D. 6.25%
|
| 9 |
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
|
| 10 |
With increases of 10 oC temperature the rate of reaction doubles. This increase in rate of reactions is due to. |
- A. Decrease in activation energy of reaction
- B. Decrease in the number of collisions between reactant molecules
- C. Increase in activation energy of reactants
- D. Increase in number of effective collisions
|