Which of the following statements is incorrect?
- A$A$ catalyst is specific in its action.
- B$A$ very small amount of catalyst can change the rate of reaction.
- CThe number of free valencies on the surface of a catalyst increases with more division.
- D$Ni$ is used as a catalyst in the preparation of ammonia.
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For the following Assertion and Reason,the correct option is
Assertion : For hydrogenation reactions,the catalytic activity increases from Group $5$ to Group $11$ metals with maximum activity shown by Group $7-9$ elements.
Reason : The reactants are most strongly adsorbed on Group $7-9$ elements.
Assertion : For hydrogenation reactions,the catalytic activity increases from Group $5$ to Group $11$ metals with maximum activity shown by Group $7-9$ elements.
Reason : The reactants are most strongly adsorbed on Group $7-9$ elements.
What is used as a catalyst in the Wacker process?
Write the characteristics of a catalyst.
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View SolutionWhich of the following statements regarding catalyst is not true?
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View Solution$A$ catalyst remains unchanged at the end of the reaction regarding
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