MCQ
Olefins can be hydrogenated by
  • A
    Zinc and $HCl$
  • B
    Nascent hydrogen
  • Raney $Ni$ and ${H_2}$
  • D
    Lithium hydride in ether

Answer

Correct option: C.
Raney $Ni$ and ${H_2}$
c
(c)  $\mathop {C{H_2}}\limits_{{\rm{Ethene}}}  = C{H_2} + {H_2}   \xrightarrow[300^o]{Ni} \mathop {C{H_3} - C{H_3}}\limits_{{\rm{Ethane}}} $

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