Statement I : Colloids scatter light while true solutions do not.

Statement II : The particles in the colloidal sol move much slower than that of the true solution

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Statement I is correct and II is incorrect

Both statement - I and II are incorrect

Statement I and II are correct

Statement - I is incorrect and Statement - II is correct

answer is A.

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Detailed Solution

Tyndall is a characteristic property of Colloids. when light is passed through

Colloidal particles (diameter 1nm - 1000nm) and viewed at right angles

A tyndall cone is observed.

True solutions donot show Tyndall due to their small size.

In other words Brownian movement of colloids cause Tyndall effect

Brownian movement of true solution do not cause Tyndall effect

particle size in colloids > true solutions , so colloidal particles

move slower than true solution particles

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