JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Statement 1: Lyophilic colloids are called reversible sols. Statement 2: Lyophilic sols are liquid loving.

(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

Lyophilic colloids can indeed be reconstituted simply by remixing the dried residue with the dispersion medium, so they are correctly called reversible sols (Statement 1 true). This reversibility exists precisely because

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Question ID VK-144909