Q 12.14 How will you prepare the following compounds from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom
(v) p-nitrobenzaldehyde
Alkylationof benzene gives toluene, which on further reaction with gives p- nitrotoluene and react it with the the carbon disulphide / followed by acidic hydrolysis to form -nitrobenzaldehyde.