JEE Main 2020 Chemistry question

For the following Assertion and Reason, the correct option is : Assertion : For hydrogenation reactions, the catalytic activity increases from Group 5 to Group 11 metals with maximum activity shown by Group 7-9 elements. Reason : The reactants are most strongly adsorbed on group 7-9 elements.

• (A)Both assertion and reason are true and the reason is the correct explanation for the assertion.Correct
• (B)The assertion is true, but the reason in false.
• (C)Both assertion and reason are true but the reason is not the correct explanation for the assertion.
• (D)Both assertion and reason are false.