The volume of a colloidal particle, VC as compared to the volume of a solute particle in a true solution VS , could be

A
$\frac{V_{C}}{V_{S}} ≃ 10^{3}$
B
$\frac{V_{C}}{V_{S}} ≃ 10^{- 3}$
C
$\frac{V_{C}}{V_{S}} ≃ 10^{23}$
D
$\frac{V_{C}}{V_{S}} ≃ 1$

Solution:

Particle size of colloidal particle = 1m $μ$ to 100 m $μ$
(suppose l0 m $μ$ )
$V_{C} = \frac{4}{3} {πr}^{3} = V_{C} = \frac{4}{3} π (10)^{3}$
Particle size of true solution particle = lm $μ$
$V_{S} = \frac{4}{3} π (1)^{3} hence now \frac{V_{C}}{V_{S}} = 10^{3}$

The volume of a colloidal particle, V_C as compared to the volume of a solute particle in a true solution V_S , could be

Solution:

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