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QJEEM05Ch915a: JEE Main 2005 Chemistry - Class 12 JEEM05Ch915a Solution: The disperse phase in colloidal iron (III) hydroxide and…
The disperse phase in colloidal iron (III) hydroxide and colloidal gold is positively and negatively charged, respectively, which of the following statements is NOT correct?
Multiple Choice Options
- A coagulation in both sols can be brought about by electrophoresis
- B magnesium chloride solution coagulates, the gold sol more readily than the iron (III) hydroxide sol.
- C sodium sulphate solution causes coagulation in both sols
- D mixing the sols has no effect
Step-by-Step Verified Solution
When oppositely charged sols are mixed their charges are neutralised. Both sols may be partially or completely precipitated.