Q. Define-

i) Molal elevation constant.

ii) Molal Depression constant.

Molal elevation constant is defined as the elevation in boiling point produced when 1 mole of solute is dissolved in one kg (1000 g) of the solvent.

Molal depression constant is defined as the depression in freezing point produced when 1 mole of solute is dissolved in one kg (1000 g) of the solvent.

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molal elevation constant kb is defined as the elevation in boiling point of a solution whose molality is one.it is also called ebullioscopic constant

molal depression constant kf is defined as the depression in the freezing point of a solution whose molality is one . it is called cryoscopic constant

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