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Shyam Dubey • 3.70K Points
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Q. What happens to the equilibrium constant (K) of an exothermic reaction if the temperature is increased?

  • (A) K increases
  • (B) K decreases
  • (C) K remains unchanged
  • (D) K becomes zero
  • Correct Answer - Option(B)
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Explanation by: Shyam Dubey
For an exothermic reaction (heat released as a product), increasing temperature shifts equilibrium toward reactants according to Le Chatelier, so the equilibrium constant K (product/reactant ratio at equilibrium) decreases. Option 1 is the opposite. Option 3 is false because K depends on temperature. Option 4 is impossible in normal chemical systems.

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