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? 

  1. A

    Coagulation in both sols can be brought about by electrophoresis 

  2. B

    Mixing the sols has no effect

  3. C

    Sodium sulphate solution causes coagulation in both  sols 

  4. D

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

    Join Our Infinity Learn's Learning Program!

    FREE Lve Classes, PDFs, Solved Questions, PYQ's, Mock Tests, Practice Tests, and Test Series!

    +91

    Verify OTP Code (required)


    I agree to the terms and conditions and privacy policy.

    Solution:

    When oppositely charged sols are mixed their charges are neutralised. Both sols may be partially or completely precipitated. 

    Chat on WhatsApp

      Join Infinity Learn Regular Class Program!

      Sign up & Get instant access to FREE PDF's, solved questions, Previous Year Papers, Quizzes and Puzzles!

      +91

      Verify OTP Code (required)





      I agree to the terms and conditions and privacy policy.