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The dispersed phase in colloidal iron (I...

The dispersed phase in colloidal iron (III) hydroxide and colloidal gold is positively and negatively charged respectively . Which of the following statements is not correct ?

A

magnesium chloride solution coagulates, the gold sol more readily than the iron (III) hydroxide sol

B

sodium sulphate solution causes coagulation in both sols

C

mixing the sols has no effect

D

coagulation in both sols can be brought about by electrophoresis

Text Solution

Verified by Experts

Opposite charges attract each other. Hence on mixing coagulation of two sols may be taken place.
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