`CH_(3)CH_(2)C-=Noverset(X)rarrCH_(3)CH_(2)CHO`
the compound X is :

Options

A. `SnCl_(2)//HCl//H_(2)O`, boil
B. `H_(2)//Pd- BaSO_(4)`
C. `LiAlH_(4)`/ether
D. `NaBH_(4)`/ether/`H_(3)O^(+)`

Answer

A

Explanation

It is Stephen’s reaction.
`CH_(3)CH_(2) C -= overset(HCl)rarr [CH_(3)CH_(2)C -= NH]^(+) Cl^(-) overset(SnCl_(2)//HCl)rarr [CH_(3)- CH_(2)CH= NH_(2)]^(+) SnCl_(6)^(2-) overset(H_(2)O//"boil")rarr CH_(3)CH_(2)CHO + NH_(4)Cl`