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  • Assertion (A): Sodium chloride is added to precipitate soap after saponification. Reason (R): Hydrolysis of esters of long chain fatty acids by alkali produces soap in colloidal form.

In the following questions, a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices:

(i) Assertion and reason both are correct statement but reason does not explain assertion.
(ii) Assertion and reason both are correct and reason explains the assertion.
(iii) Both assertion and reason are wrong statement.
(iv) Assertion is correct statement reason is wrong statement.
(v) Assertion is wrong statement reason is correct statement.

Assertion (A): Sodium chloride is added to precipitate soap after saponification.
Reason (R): Hydrolysis of esters of long chain fatty acids by alkali produces soap in colloidal form.

Answers (1)

(ii) When esters of long-chain fatty acids are hydrolyzed with an alkali, it results in saponification. The process of soap formation but the soap produced as the end result is in colloidal form due to the addition of sodium chloride for precipitation purposes.

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Gurleen Kaur

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