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Which of the following alkenes will reac...

Which of the following alkenes will react fastest with `H_(2)` under catalytic hydrogenation conditions

A

B

C

D

Text Solution

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The correct Answer is:
B
During catalytic hydrogenation, alkene molecule gets absorbed on the surface of the catalyst. Its rate of adsorption will be faster if the side of alkene being adsorbed is less sterically hindered. Thus happens in case fo option (2).
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