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Question

Chemistry Question on Colloids

A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of BaCl2, AlCl3 and NaCl required to coagulate the given colloid is in the order

A

NaCl > BaCl2 > AlCl3

B

BaCl2 < AlCl3 > NaCl

C

AlCl3 = NaCl = BaCl2

D

AlCl3 > BaCl2 > NaCl

Answer

NaCl > BaCl2 > AlCl3

Explanation

Solution

The correct answer is (A) : NaCl > BaCl2 > AlCl3.