Verified Solution • 2025–26 Session moderate

QJEEM20Ch9ab6: JEE Main 2020 Chemistry - Class 12 JEEM20Ch9ab6 Solution: For the following Assertion and Reason, the correct option is…

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.

Multiple Choice Options

  • A Both assertion and reason are true and the reason is the correct explanation for the assertion.
  • B The assertion is true, but the reason is 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.

Step-by-Step Verified Solution

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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