Question

Differentiate between true solution and colloidal and suspension solution

Answer 1

Name of the property Solutions colloidal solutions suspensions

1. Size of particles-

The solute particle in true solutions are molecules having diameter less than 1 nmThe particle size in colloidal solution lies in the range 1nm to 100 nm.The size of the particles in the case of suspension is greater than 100 nm

2. Visibility or Appearance -

The solute particles are invisible to the naked eye as well as under the most powerful microscopeThe solute particles are invisible to the naked eye but their scattering effect can be viewed with the help of a microscope.The solute particles are visible even to the naked eye or can be seen with the help of a microscope

3. Settling -

The solute particles in the true solution do not settle.The solute particles in the colloidal solution can be made to settle by centrifugation.The solute particles in the suspension settle under gravity

4. Filterablity -The solute particles in the true solution diffuse rapidly, pass through a parchment membrance as well as filter paper.The solute particles in the colloidal solution do not pass through a parchment membrane, but pass through a filter paper.The solute particles in the suspension cannot pass through a parchment membrane or a filter paper.

5. Tyndall effect-

True solution does not show tyndall effect.Colloidal solution shows tyndall effect.Suspension may or may not show tyndall effect.

6. Brownian movement-

True solution does not show Brownian movement.Colloidal solution shows Brownian movement.Suspension may show Brownian movement