1.

CH_(3)CH_(2)-C-=N overset(X)to CH_(3)CH_(2)-CHO The reagent/s X is (are)

Answer»

`SnCl_(2)//HCl,H_(2)O//`BOIL
`H_(2)//Pd-BaSO_(4)`
`LiAlH_(4)//`ETHER
`NaBH_(4)//ether,H_(3)O^(+)`

Solution :`underset("Propanenitrile")(CH_(3)CH_(2)-C-=N)underset(("STEPHEN reaction")) overset(SnCl_(2)//HCl)to CH_(3)CH_(2)-CH=NH.HCl overset(H_(2)O,boil)to underset("Propanal")(CH_(3)CH_(2)-CHO)+NH_(4)Cl`


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