What are esters ? How they are prepared ? List two uses of esters.

Explanation

Esters are the derivatives of carboxylic acids which contain COOR group The -OH group in an acid is replaced by -O- azkyl or aryl group to form an ester. Esters are represented by the formula `R_(1)COOR_(2)` where `R_(1)` and `R_(2)` represent an alkyl or aryl group.
Preparation of esters : When carboxylic acids are heated with alcohols in the presence of an acid catalyst, esters are produced.

Uses of esters :
(i) Esters are used in food as flavours and fragrances.
(ii) In making of soaps
(iii) Esters are used as solvents
(vi) Esters are used in medicines.
(v) Esters are used as emulsifying agents.