Question

While studying saponification reaction for the preparation of soap, the teacher suggested to a student to add a small quality of common salt to the reaction mixture. The function of common salt in this reaction is to:; A. reduce the alkalinity of the soap.; B. reduce the acidity of the sop.; C. enhance the cleansing capacity of soap; D. favour precipitation of soap.(Delhi - 2014)

Answer 1

Answer:

here is ur answer.....

b)reduce acidity of soap...

Answer 2

Soap and sponification

Explanation:

Soap

It is sodium salt of long hydrocarbon chain carboxylic acid that is RCOONa .

Its structure is tadpole like that is hydrophobic tail and hydrophilic head .

It is prepared by sponification reaction that is :

Animal fat + NaOH --> Soap + glycerol

                             (common salt)

The function of common salt is to D. favour precipitation of soap .