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Regarding criteria of catalysis which on...

Regarding criteria of catalysis which one of the following statements is not true ?

A

The catalyst is unchanged chemically during the reaction

B

A small quantity of catalyst is often sufficient to bring about a considerable amount of the reaction

C

In reversible reaction ,the catalyst alters the equilibrium position

D

The catalyst accelerates the rate of reaction

Text Solution

Verified by Experts

The correct Answer is:
C
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OP TANDON-ADSORPTION AND CATALYSIS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. Enzyme catalysis is an example of :

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  2. Which one of the following statements is incorrect in the case of hetr...

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  3. Regarding criteria of catalysis which one of the following statements ...

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  4. In which of the following process, a catalyst is not used ?

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  5. The effect of a catalyst in a chemical reaction is to change the :

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  6. Protons accelerate the hydrolysis of esters . This is an example os :

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  7. in the Ostwald's process for the manufacture of HNO(3), the catalyst u...

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  8. The effieciency of an enzyme in catalysing a reaction is due to its ca...

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  9. The enzyme are killed :

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  10. The enzyme ptylin used for digestion of food is present in :

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  11. Which of the following acts as a negative catalysts ?

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  12. Which of the following types of metal form the most efficient catalyst...

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  13. Which is not the characteristic of a catalyst ?

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  14. In chemical reaction , the catalyst :

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  15. Which statements is not correct ?

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  16. In the adsorption of oxalic acid on activated charcoal, the activated ...

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  17. Which can absorb large volume of hydrogen gas ?

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  18. In which of the following processes, platinum is used as a catalyst

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  19. When KClO(3) is heated, it decomposes into KCl+O(2), if some MnO(2) is...

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  20. Which acts as poison for Pd-charcoal in Lindlar catalyst ?

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