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Chemistry · PYQ NEET UG 2017

हिन्दी

Which of the following statements is INCORRECT?

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

Correct answer · Option 1

The value of equilibrium constant is changed in the presence of a catalyst in the reaction at equilibrium.

Explanation

A catalyst lowers the activation energy and speeds up both forward and backward reactions equally, leaving the equilibrium constant \( K_c \) unchanged.
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