Home Chemistry Surface Chemistry Telangana & AP CET Previous Year Question This equation represents the preparation of …
Chemistry Surface Chemistry Telangana & AP CET Previous Year Question Single Correct MCQ
Published on: August 14, 2026

This equation represents the preparation of gold sol by

A
Oxidation
B
Reduction
C
Double decomposition
D
Hydrolysis

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Text Solution

Verified by Experts
The correct answer is:
B

In the given reaction, gold goes from +3 state in to zero in .
Thus, reduction is taking place in the preparation of Au sol.

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