Preparation of Aromatic aldehyde and ketones-1

Preparation of Aromatic aldehyde and ketones -2

Preparation of Aliphatic aldehyde and ketones

Aldehyde and ketones are

Aldehydes and ketones are

Assertion : Aromatic aldehydes and ketones undergo electrophilic substitution reaction at metaposition. Reason : Carbonyl group activates the ring towards electrophilic substitution reactions.