Question

Distinguish between true solution, suspension, colloidal on the basis of stability,filterability and type of mixture

Answer 1

Answer:

Stability :

A solution doesn't settle down when left undisturbed ie it is stable.

A colloid is also stable

A suspension is unstable

Filterability :

A solution can't be filtered as its particles are way too small

A colloid can't be filtered by normal filtration but by a process called ultrafilteration

A suspension can be filtered.

Type of mixture :

A solution is homogenous

A colloid is heterogeneous but appears to be homogenous

A suspension is heterogeneous

Answer 2

The differences are as follows:

Stability

• The true solution is stable as the solutes present in the solution do not settle down when left undisturbed.

• Suspension is unstable as the solutes do not mix properly and also settle down when left undisturbed.

• A colloidal solution is stable.

Filterability

• In a true solution, we cannot separate the solute and the solvent by filtration.

• Suspension particles can be separated by the use of filtration.

• The colloidal solution requires special filters called ultrafilters for filtration.

Type of mixture

• The true solutions are homogenous.

• Suspensions are heterogeneous.

• Colloidal solutions are also heterogeneous.

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