1.

Assertion (A) : The enthalpy of a reaction does not change in the presence of a catalyst.Reason (R) : A catalyst takes part in the reaction, forms an activated complex and reduces the activation energy. However, the energy difference between the reactants and the products remain the same.

Answer»

(A) and (R) both are CORRECT STATEMENTS and (R) is correct explanation for (A).
(A) and (R) both are correct statements and (R) ISNOT correct explanation for (A).
(A) is correct statement but (R) is WRONG statement.
(A) is wrong statement but (R) is correct statement .

Answer :A


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