Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

Among the following, the INCORRECT statement about colloids is

  1. A

    They can scatter light. 

  2. B

    The range of diameters of colloidal particles is between 1 and 1000 nm.

  3. C

    The osmotic pressure of a colloidal solution is of higher order than the true solution at the same concentration. 

  4. D

    They are larger than small molecules and have high molar mass. 

Solution

The osmotic pressure of a colloidal solution is of lower order than that of true solution at the same concentration due to association of solute molecule till they acquire colloidal dimensions.

= iCRT

i is less in colloidal solution than true solution.

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