Question

What is the side product of soap industry? Give reactions showing soapformation.

Answer 1

During the production of soap. The process of saponification is used, which leads to the production of sodium salt of carboxylic acid and glycerol. It is used in the formation of soap from the long chain esters of glycerol. The formula has been attached as a picture 

Answer 2

Glycerol is obtained as a side product in the soap industry.

CH2 - COO - C17H35                                                            CH2OH |                                                                                               |
CH - COO - C17H35 + 3NaOH     -->     3C17H35COONa + CHOH |                                                                                               |
CH2 - COO - C17H35  Sodium hydroxide  Sodium stearate  CH2OH
Glyceryl ester of stearic acid                                                   Glycerol