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Elevation in boiling point is the increase in boiling point when a non valatile salute is added to the solvent. Addition of the salute Lower the vapour pressure of soluent.
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Answer:
The decrease in the vapor pressure of the solvent that occurs when a solute is added to the solvent causes an increase in the boiling point and decrease in the melting point of the solution. According to this figure, the solution can't boil at the same temperature as the pure solvent
Explanation:
A nonvolatile solute has a vapor pressure of zero, so the vapor pressure of the solution is less than the vapor pressure of the solvent. Thus, a higher temperature is needed for the vapor pressure to reach the surrounding pressure, and the boiling point is elevated.
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