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The dispersed phase in colloidal iron (I...

The dispersed phase in colloidal iron (III) hydroxide and collodial gold is positively and negtively charged respectively with of the following statement is not correct ?

A

Magnesium chloride solution coagulates gold sol readily than iron (III) hydroxide sol.

B

Sodium sulphate solution causes coagulation in both sols.

C

Mixing of the two sols has no effect.

D

Coagulation in both sols can be brought about by electrophoresis.

Text Solution

Verified by Experts

The correct Answer is:
C
Mixing of positive and negative sols causes mutual coagulation.
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The dispersed phase in colloidal iron (III) hydroxide and collodial gold is positively and negtively charged respectively. Which of the following statement is not correct ?