Question

1. Among, formic acid, acetic acid and stearic acid ,which is suitable for saponification reaction?

Answer 1

When the ester gets converted back into alcohol and sodium salt of acid when treated with alkali like sodium hydroxide.This reaction is called Saponification Reaction. Ethyl Acetate gives on reaction with NaOH -Ethyl Alcohol and Sodium Acetate.

Answer 2

Stearic acid is used in the saponification process.

Explanation:

• It is a method by which 'triglycerides' react with 'sodium' or 'potassium hydroxide' to produce 'glycerol' and a fatty acid salt which are known as soap.

• Historically, By using the method of hydrolysis the stearic acid has been produced which comprises heating the fat in an alkaline solution.stearic acid is 'white, waxy' and 'solid crystalline'.

• It is 'odorless and tasteless'.

• It is a 'saturated fatty acid' that can accumulate on the surface.

• This acid is 'insoluble in water' and soluble in ethanol.

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