Give the importance of carbonyl compounds.

(N/A) $i$. Aldehydes,ketones,and carboxylic acids are widespread in the plant and animal kingdoms.
$ii$. They play an important role in the biochemical processes of life.
$iii$. They add fragrance and flavour to nature; for example,vanillin (from vanilla beans),salicylaldehyde (from meadowsweet),and cinnamaldehyde (from cinnamon) have very pleasant fragrances.
$iv$. They are used in many food products and pharmaceuticals to add flavours.
$v$. Some of these families are manufactured for use as solvents (e.g.,acetone) and for preparing materials like adhesives,paints,resins,perfumes,plastics,fabrics,etc.