Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R — JEE Mains Chemistry Past Papers Chemistry Question

Question

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Isotopes of hydrogen have almost same chemical properties, but difference in their rates of reaction. Reason R: Isotopes of hydrogen have different enthalpy of bond dissociation. In the light of the above statements, choose the most appropriate answer from the options given below: (A) Both A and R are correct and R is the correct explanation of A (B) A is not correct but R is correct (C) A is correct but R is not correct (D) Both A and R are correct but R is NOT the correct explanation of A