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The reagent ' X ' used for the following...

The reagent ' X ' used for the following reaction is
`R - C -= C- R'+H_2 overset(X)rarr`

A

Ni

B

Pd/C

C

`LiAlH_4`

D

`Na//"liquid"NH_3`

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Verified by Experts

The correct Answer is:
B
cis-Alkene is obtained by using Pd/C as a catalyst.
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