The dispersed phase in colloidal iron (III) hydroxide and colloidal gold is…
CHEMISTRY · Single correct · CBSE · Chemistry · Is Matter Around Us Pure? · Is Matter Around Us Pure?
Problem
The dispersed phase in colloidal iron (III) hydroxide and colloidal gold is positively and negatively charged respectively which of the following statement is not correct?
(1) Magnesium chloride solution coagulates gold sol readily thin iron (III) hydroxide sol
(2) Sodium sulphate solution causes coagulation in both sol
(3) Mixing of the two sols has no effect
(4) Coagulation in both sol can be brought about by electrophoresis