Question

Mention the essential material (chemicals) to prepare soap in the laboratory. Describe in brief the test of determining the nature (acidic/alkaline) of the reaction mixture of saponification reaction.

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Answer 1

Raw Materials

Required For

preparation of soap in laboratory are :

Vegetable oil

Sodium Hydroxide

Commom salt

Test to determine the nature of reaction mixture:

When a red litmus paper is dipped in the reaction mixture, the paper changes its colour to blue. Hence, the reaction mixture of the saponification reaction is basic in nature.

Answer 2

Answer:

Essential chemicals are oil, sodium hydroxide solution. To determine the nature of reaction mixture of saponification reaction we can dip a litmus paper, red litmus will turn blue indication the alkaline nature of reaction mixture.