JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Statement 1: An emulsion becomes stable if soap is added to it. Statement 2: Soap contains hydrophilic and hydrophobic parts.

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

Adding soap does stabilise an emulsion by acting as an emulsifying agent, so Statement 1 is true. Soap molecules indeed possess a hydrophilic (ionic head) part and a hydrophobic (hydrocarbon tail) part, and it is precisely

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Question ID VK-144813