| 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. |
| [JEE MAIN Held on 08-01-2020 Evening] |
A) Both assertion and reason are true and the reason is the correct explanation for the assertion.
B) Both assertion and reason are false.
C) The assertion is true, but the reason is false.
D) Both assertion and reason are true but the reason is not the correct explanation for the assertion.
Correct Answer: C
Solution :
The assertion is true, but the reason is false Refer: [NCERT Page No. 132] Reactants must not get adsorbed so strongly that they are immobilised and other reactants are left with no space on the catalyst?s surface for adsorption.
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