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QAIPMT-2005-Ch-2486: NEET 2005 Chemistry - Class 11 AIPMT-2005-Ch-2486 Solution: Which one of the following alkenes will react faster with…

Which one of the following alkenes will react faster with

H_2

under catalytic hydrogenation conditions?

Multiple Choice Options

A $C_6H_5NHOH$
B $C_6H_5NHCH_2CH_3$
C $C_6H_5CH_2NH_2$
D $C_6H_5CH_2OH$

Step-by-Step Verified Solution

Greater the number of alkyl groups(R) attached to the double bonded carbon atoms more stable is the alkene. Further the relative rates of hydrogenation decrease with increase of steric hindrance. Thus, the stability of alkene will be Hence alkene which will react faster with H 2 is that which is most unstable.

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