Arrange the following in the decreaing order of their particle size: suspension, true solution and colloids
A
Suspension > Colloidal > True solution
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B
Suspension > True solution > Colloidal
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C
True solution > Suspension > Colloidal
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D
True solution > Colloidal > Suspension
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Solution
The correct option is A
Suspension > Colloidal > True solution
A true solution is a homogeneous mixture. So, the particles will be completely dissolved. Suspension and colloidal solutions are heterogeneous mixtures. The particles in colloidal solutions are relatively smaller than suspensions. However, the particles of a suspension can be seen with the naked eye, as opposed to a colloid. Hence, the size of particles in suspension, true solution and colloidal solution varies in the order: Suspension > Colloid > True solution.