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AIIMS 2002
Exam
AIIMS
Year
2002
Subject
Chemistry
Chapter
Surface Chemistry

AIIMS 2002 · Chemistry · Surface Chemistry

The size of colloidal particle is

The size of colloidal particle is

Options

  1. A10−310^{-3} to 10−9 m10^{-9} \mathrm{~m}
  2. B10−910^{-9} to 10−12 m10^{-12} \mathrm{~m}
  3. C10−610^{-6} to 10−9 m10^{-9} \mathrm{~m}
  4. D10−1210^{-12} to 10−19 m10^{-19} \mathrm{~m}.

Correct answer

C. 10−610^{-6} to 10−9 m10^{-9} \mathrm{~m}

Step-by-step 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} \mathrm{~m} to 10−9 m10^{-9} \mathrm{~m}. In other words, the colloidal solution is a heterogenous dispersion of solute particles size ranging from 10−6 m10^{-6} \mathrm{~m} into the solvent. Particles are visible only with an ultra microscope.
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