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Which of the following parameters of a c...

Which of the following parameters of a chemical readtion are increased when a catalyst is used?

A

Rate & activation energy

B

Rate constant & enthalpy

C

Enthalpy & time duration

D

Rate & Rate constant

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CHEMICAL KINETICS-Objective Exercise - 1
  1. In the Arrhenius equation equation,the Boltzmann factor e^(Ea//RT) rep...

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  2. Activationenergies for different reactions are give below a. Ato prod...

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  3. Which of the following parameters of a chemical readtion are increased...

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  4. The process 2A + B to C taking place in two steps: 1:2A to D"...

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  5. Which of the following influence the rate of reaction a. Nature of r...

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  6. Which of the following does not affect the rate of reaction?

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  7. What is the rate of the reaction for 2AtoB

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  8. Rate constant of a reaction can be expressed by Arrhenius equation as ...

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  9. For N(2)O(5) (In "CC"l(4))to2NO(2)+1/2O(2),K=6xx10^(-4)s^(-1) at 350 K...

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  10. For a reaction(1)/(2)A to 2B rate of disappearance of A is related to ...

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  11. SO(2) reacts with O(2) as follows 2SO(2) +O(2)to2SO(3), the rate of di...

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  12. The minimum energy required for molecules to enter into chemical react...

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  13. For a reversible reaction, A hArr B, which one of the following statem...

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  14. In a reaction, threshold energy is equal to

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  15. The value of activation energy for a chemical reaction primarily depen...

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  16. Wrong statement among the following is

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  17. The rate of a reaction triples when temperature changes from 20^(@)C t...

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  18. The temperature dependence on rate constant (k) of a chemical reaction...

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  19. For the reaction A+BhArrC+D, the forward reaction is exothermic. The a...

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  20. Collision theory satisfactorily explains

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