first oxidise the benzaldehyde to carboxylic acid(benzoic acid) using any oxidising agent .then add SOCl2
bcos there s a strong resonance n benzoyl chloride so that can't easily loose electrons..........
benzanilide
The benzyl group acts as a protector retarding hydrolysis?
Remember that acid chlorides typically undergo nucleophilic substitution in which the partially positively charged carbon is attacked by nucleophile. Due to resonance(delocalization) in benzoyl chloride, the positive charge isn't concentrated in carbonyl C atom unlike in ethanoyl chloride but spreads over o and p positions in benzene ring. So, the carbonyl carbon in benzoyl chloride is less positive, less susceptible to nucleophilic attack and hence, less reactive.
propanol and propanone - tollens test
Benzylidenecyclopentanone Draw its structure by attaching C6H5-CH= to carbon 2 of cyclopentanone.
Benzoyl chloride is C6H5COCI and benzyl chloride is C6H5CH3CI
bcos there s a strong resonance n benzoyl chloride so that can't easily loose electrons..........
benzanilide
Chromyl chloride
it has 2 benzene rings usually synthesized in the lab from benzoyl chloride and hydrogen peroxide