JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Which of the following is not a property of hydrophilic sol?

(A)Coagulation is reversible
(B)Viscosity and surface tension equal to that of waterCorrect
(C)Charge on the particle depends upon the pH of the medium; it may be positive, negative or zero
(D)Dispersed phase acquires higher concentration easily

Answer: (B)

Solution

Hydrophilic sols are indeed reversible on coagulation (A), can acquire a high concentration of dispersed phase (D), and commonly carry a pH-dependent charge that can be positive, negative or zero at the isoelectric point, as with proteins (C) — all

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Question ID VK-144871