For the following Assertion and Reason, the correct option is:

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.

  1. The assertion is true, but the reason is false.

  2. Both assertion and reason are false.

  3. Both assertion and reason are true and the reason is the correct explanation for the assertion.

  4. Both assertion and reason are true but the reason is not the correct explanation for the assertion.

Correct Option: 1

Solution:

Reactant should not be adsorbed strongly which might result into immobilisation that inhibit further adsorption on the catalyst's surface.

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