Question

compare the properties of suspension, colloidal solution and true solution

Answer 1

True Solution:

True Solution is a homogeneous mixture of two or more substances in which substance dissolved (solute) in solvent has the particle size of less than 10-9 m or 1 nm. Simple solution of sugar in water is an example of true solution. Particles of true solution cannot be filtered through filter paper and are not visible to naked eye.

Suspensions:

Suspension is a heterogeneous mixture in which particle size of one or more components is greater than 1000nm.When mud is dissolved in water and stirred vigorously, particles of mud are distributed evenly in water. After some time, the particles of this solution settle under water due to influence of gravity. This solution is an example of Suspension . Contrary to True Solution,particles of suspension are big enough to be seen with naked eye.

Suspension Settled Muddy Water

Suspension Settled Muddy Water

Colloidal Solution:

Colloidal Solution is a heterogeneous mixture in which particle size of substance is intermediate of true solution and suspension i.e. between 1-1000 nm. Smoke from a fire is example of colloidal system in which tiny particles of solid float in air. Just like true solutions, Colloidal particles are small enough and cannot be seen through naked eye.They easily pass through filter paper. But colloidal particles are big enough to be blocked by parchment paper or animal membrane.

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Answer 2

Answer:.TRUE SOLUTION

i) True solution is a homogeneous mixture.

ii) The particles are cannot be seen by the naked eye. the particle size is less than 10-9m or 1nm. iii) The solute particles cannot be separated by filtration.

iv) The solute particles do not settle down and the solution is stable.

v) The particles do not scatter a beam of light passing through it and the path of light is not

visible in the solution i.e., they do not show Tyndall effect.

COLLOID

i) Colloidal solution is a heterogeneous mixture. Eg: Milk, Air containing dust and smoke ii) The particles cannot be seen by the naked eye. The particle size is from 1 to 100nm.

iii) The solute particles cannot be separated by filtration.

iv) The solute particles do not settle down and the solution is stable.

v) Particles in a colloidal solution follow zig-zag path.

vi) The particles scatter a beam of light passing through it and the path of light is visible in the solution

SUSPENSION

i) Suspension is a heterogeneous mixture. Eg: Chalk powder in water, sand in water ii) The particles can be seen by the naked eye. The particle size is greater than 100nm.

iii) The solute particles can be separated by filtration.

iv) The solute particles settle down and the solution is unstable.

v)The particles scatter a beam of light passing through it and the path of light is visible in the solution.

Explanation: