Bu-C-=CHoverset(NaNH_(2))rightarrowoverset(ph-CHO)underset(H_(2)O)rightarrowoverset(MnO_(2))rightarrowX

Bu-C-=CHoverset(NaNH_(2))rightarrowoverset(ph-CHO)underset(H_(2)O)righ

1.	Bu-C-=CHoverset(NaNH_(2))rightarrowoverset(ph-CHO)underset(H_(2)O)rightarrowoverset(MnO_(2))rightarrowX
Answer» Solution :`Bu-C-=CN a , Nu^(-)`addition to ALDEHYDE group followed by oxidation to form KETONE. `SeO_(2)`OXIDISES` alpha`- POSITION in carbonyl compounds to `(C=O)` group.