In the presence of a catalyst, the heat evolved or absorbed during the reaction .

Question

In the presence of a catalyst, the heat evolved or absorbed during the reaction . (A) increases (B) decreases (C) remains unchanged (D) may increase or decrease

Tardigrade Admin · Accepted Answer

Catalyst alters the activation energy of both forward and backward reactions equally hence heat of reaction remains unchanged.

Q. In the presence of a catalyst, the heat evolved or absorbed during the reaction_____________ .

increases

decreases

remains unchanged

may increase or decrease

Catalyst alters the activation energy of both forward and backward reactions equally hence heat of reaction remains unchanged.