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1. Solution and colligative properties — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry1. Solution and colligative properties1 Mark
MCQ
The colligative properties of a solution depend on
  • A
    Nature of solute particles present in it
  • B
    Nature of solvent used
  • ✓
    Number of solute particles present in it
  • D
    Number of moles of solvent only
✓

Answer

Correct option: C.
Number of solute particles present in it
c
Colligative properties : Those physical properties of a solution which depend upon the number of particles in a given volume of the solution or the mole fraction of the solute are called colligative properties.

The following four properties are colligative properties :

($i$) Lowering of vapour pressure of the solvent.

($ii$) Elevation in boiling point of the solvent.

($iii$) Depression in freezing point of solvent.

($iv$) Osmotic pressure.

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