A catayst

A

Increases the average kinetic energy of reacting molecules

B

Increases the activation energy

C

Alters the reaction mechanism

D

Increases the frequency of collisions of reacting species

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-SURFACE CHEMISTRY-Objective Excersice - 1
  1. Which one of the following is correct regarding physisorption?

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  2. Which of the following represents chemisorption ? (x = The mass of the...

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  3. A catayst

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  4. The rate of a chemical reaction is increased in presence of a catalyst...

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  5. In heterogeneous catalytic reactions involving solid catalyst and gase...

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  6. An inhibitor is essentially

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  7. The process which is catalysed by one of the products is called

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  8. The catalyst used to increase the dissociation of H(2)O(3) is

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  9. Which of the following reactions is an example of heterogeneous cataly...

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  10. A catalyst increases the rate of a reaction with out changing

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  11. Catalytic action of an enzyme is

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  12. In which of these processes platinum is used as a catalyst ?

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  13. Which of the following catalyst is used for preparing toluene by react...

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  14. A biological catalyst is

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  15. During the cleaning action of soap - part of soap dissolves in the dir...

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  16. Colloidal solution of gold prepared by different methods have differen...

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  17. Which of the following is an example of a heterogeneous catalytic reac...

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  18. Which of the following is a lyophobic solution?

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  19. Which of the following is correct?

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  20. Which of the following is an example for auto catalysis

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