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Question

Chemistry Question on Solutions

The size of colloidal particle is

A

10−310^{-3} to 10−9 m10^{-9} \,m

B

10−910^{-9} to 10−12 m10^{-12}\, m

C

10−610^{-6} to 10−9m10^{-9} m

D

10−1210^{-12} to 10−19m10^{-19} m

Answer

10−610^{-6} to 10−9m10^{-9} m

Explanation

Solution

A system is said to be in colloidal state if particles of one or more components have the same size range 10−6 m10^{-6}\, m to 10−9 m10^{-9}\, m. In other words, the colloidal solution is a heterogenous dispersion of solute particles size ranging from 10−6 m10^{-6}\, m into the solvent. Particles are visible only with an ultra microscope.