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Assertion (A) The enthalpy of reaction r...

Assertion (A) The enthalpy of reaction remains constant in the presence of a catalyst.
Reason (R) A catalyst participating in the reaction froms different activated complex and lowers down the activation energy but the difference in energy of reactant and product remains the same.

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Assertion : The enthalpy 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 reactant and product remains the same.

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.

How does enthalpy of a reaction remain unaltered in the presence of a catalyst, explain.

The use of a catalyst in chemical reaction…activation energy of the reaction

Assertion (A) : The rate of reaction can also increase w.r.t its product if one of the products act as catalyst Reason (R) : A catalyst lowers the activation energy of reactions.

Assertiojn (A):A catalyst increases that rate of a reaction . ReasonR): In the presence of a catalyst,the activation energy of the reaction increases.