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JEE Main202118 Mar 2021Evening ShiftChemistrySurface ChemistryActual

The charges on the colloidal CdS sol and TiO 2 sol are, respectively :

Options

  1. Apositive and positive
  2. Bpositive and negative
  3. Cnegative and negative
  4. Dnegative and positive

Correct answer

D. negative and positive

Step-by-step solution

CdS   sol → - ve   sol TiO 2   sol → + ve   sol

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