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.