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Assertion: The enthalapy of reaction remains constant in the presence of a catalyst. Reason: A catalyst participating in the reaction, forms different activated complex and lowers down the activation energy but the difference in energy of reactants lead to product formation.A. Both assertion and reason are correct and the reason is correct explanation of assertion.B. Both assertion and reason are correct but reason does not explain assertion.C. Assertion is correct but reason is incorrectD. Both assertion and reason are incorrect.

Answer» Correct Answer - A


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