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JIPMER2009ChemistrySurface Chemistry

Which of the following is correct?

Options

  1. ACatalyst undergoes permanent chemical change
  2. BParticle size of solute in true solution is 10⁻³ ~m
  3. CStarch solution is a hydrosol
  4. DHydrolysis of liquid ester in the presence of mineral acid is an example of heterogeneous catalysis reactions

Correct answer

C. Starch solution is a hydrosol

Step-by-step solution

Starch solution is a hydrosol as it forms colloidal solution with water.

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