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प्रश्न
Write the relation between van't Hoff factor and degree of dissociation of an electrolyte.
लघु उत्तर
उत्तर
The van't Hoff factor (i) represents the number of particles into which a solute dissociates in solution. It is related to the degree of dissociation (α) by the formula:
i = 1 + (n − 1)α
Where n is the total number of ions produced per formula unit of the electrolyte.
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If α = 0, the solute remains undissociated (i = 1).
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If α = 1, the solute fully dissociates (i = n).
This relation helps in calculating colligative properties like boiling point elevation and freezing point depression.
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