Identify X, Y and Z respectively from the following reactions :

Options

A.
B.
C.
D.

Answer

A

Explanation

The (X),(Y) and (Z) in the given reaction are as follows :
` 3C_(2) H_(2) (##ARH_5Y_SP_06_05_19_01_E03_038_S01.png" width="80%">
[Gattermann-Koch reaction]
` (##ARH_5Y_SP_06_05_19_01_E03_038_S02##) to ` Suchiff s base

Nitration of benzaldehyde occurs at m-position.
Hence ,

Hence, option (a) is the correct answer .