For the following Assertion |Surface Chemistry |JEEMAIN 2020

JEE MAIN 2020

08-01-20 S2

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.

Select the correct option:

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

Both assertion and reason are false.

The assertion is true, but the reason is false.

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

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

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

Question Tags

JEE Main

Chemistry

Easy

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