Home Chemistry Surface Chemistry General When iron hydroxide colloidal sol which is p…
Chemistry Surface Chemistry General Single Correct MCQ
Published on: August 14, 2026

When iron hydroxide colloidal sol which is positively charged, and colloidal gold which is negatively charged are mixed, which of the following observations is not correct ?

A
There is no effect of mixing the sols.
B
Coagulation in both sols can be brought about.
C
Ferric hydroxide is coagulated.
D
Gold sol is coagulated.

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Text Solution

Verified by Experts
The correct answer is:
B

Since the sols are oppositely a film of lyophilic sol is takes place.

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