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Colloidal solutions of gold prepared by ...

Colloidal solutions of gold prepared by different methods are of different colours because of

A

variable valency of gold

B

different concentration of gold particles

C

impurities produce by different methods

D

different diameters of colloidal gold particles.

Text Solution

Verified by Experts

The correct Answer is:
D
Colour of a colloidal solutio, in general, depends upon the size of the colloidal particles and position of the viewer.
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