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JEE Main 2005
Exam
JEE Main
Year
2005
Subject
Chemistry
Chapter
Surface Chemistry

JEE Main 2005 · Chemistry · Surface Chemistry

The disperse phase in colloidal iron (III) hydroxide and colloidal...

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?

Options

  1. Amagnesium chloride solution coagulates, the gold sol more readily than the iron (III) hydroxide sol.
  2. Bsodium sulphate solution causes coagulation in both sols
  3. Cmixing the sols has no effect
  4. Dcoagulation in both sols can be brought about by electrophoresis

Correct answer

C. mixing the sols has no effect

Step-by-step solution

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