Question

what is esterification and saponification reaction

Answer 1

esterification is the preparation of Ester

Answer 2

When a carboxylic acid is treated with an alcohol and an acid catalyst, an ester is formed (along with water). This reaction is called the esterification reaction.

Saponification is a process by which triglycerides are reacted with sodium or potassium hydroxide (lye) to produce glycerol and a fatty acid salt, called 'soap'.