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Among the following, the INCORRECT statement about colloids is

a) They can scatter light.

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

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

d) They are larger than small molecules and have high molar mass



Question ID - 56439 | SaraNextGen Top Answer

Among the following, the INCORRECT statement about colloids is

a) They can scatter light.

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

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

d) They are larger than small molecules and have high molar mass

1 Answer
127 votes
Answer Key / Explanation : (c) -

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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