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easyMCQNEET 20232026Chemistry
4 marks (−1)

Which one of the following statements is not correct?

  1. A
    Catalyst does not initiate any reaction
  2. B
    The value of equilibrium constant is changed in the presence of a catalyst in the reaction at equilibrium
  3. C
    Enzymes catalyse mainly bio-chemical reactions
  4. D
    Coenzymes increase the catalytic activity of enzyme

Solution & Step-by-step Explanation

A catalyst increases the rate of both forward and backward reactions equally by lowering the activation energy. Consequently, it helps the system reach equilibrium faster but does not change the position of equilibrium or the value of the equilibrium constant ().

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Try it yourself before checking the explanation above.

Which one of the following statements is not correct?
A
Catalyst does not initiate any reaction
B
The value of equilibrium constant is changed in the presence of a catalyst in the reaction at equilibrium
C
Enzymes catalyse mainly bio-chemical reactions
D
Coenzymes increase the catalytic activity of enzyme

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