answersLogoWhite

0


Best Answer

Soap is manufactured in this way using a process called saponification of fats.

Fats fall into a category of compounds called esters, molecules formed from an alcohol and a carboxylic acid. In the case of a fat the alcohol is glycerin (glycerol) and the acid is a fatty acid.

Here is the generic, two-step equation for the saponification of an ester with a hydroxide (R represents the rest of each acid and ester).

OH- + RO2-OR --> RO2H + RO-

The ester is split into the corresponding acid and alkoxide ("salt" of an alcohol).

RO- + RO2H --> ROH + RO2-

Since ethoxides are highly basic they are quickly neutralized by the fatty acid. Resulting in the corresponding alcohol (glycerin) and fatter acid salt (the soap). The glycerin is then separated out.

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How is soap manafactured using sodium hydroxide?
Write your answer...
Submit
Still have questions?
magnify glass
imp