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NEET2018ChemistrySurface ChemistryActual

Which of the following statements is incorrect?

Options

  1. AOn prolonged dialysis colloid becomes stable.
  2. BAgNO ₃ in excess KI forms negative colloid.
  3. CAgNO ₃ in excess KI forms positive colloid.
  4. DMedicines work best in colloidal form because of greater surface area.

Correct answer

C. AgNO ₃ in excess KI forms positive colloid.

Step-by-step solution

Mixing AgNO ₃ in excess KI forms negatively charged colloid.

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