Twenty moles of sodium chloride are placed in beaker A and 5 moles of sodium chloride are placed in beaker B. The solution in which beaker will show a greater increase in boiling point and decrease in freezing point?

Beaker A

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Beaker B

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Both A and B show an equal increase and decrease

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Neither A or B show a difference in boiling or freezing temperatures

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Solution

The correct option is A
Beaker A

Elevation in boiling point and depression in freezing point are directly related to the molal concentration of solute. Greater the number of moles of solute, greater the increase in boiling point and decrease in freezing point.

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Twenty moles of sodium chloride are placed in beaker A and 5 moles of sodium chloride are placed in beaker B. The solution in which beaker will show a greater increase in boiling point and decrease in freezing point?

The correct option is A Beaker A Elevation in boiling point and depression in freezing point are directly related to the molal concentration of solute. Greater the number of moles of solute, greater the increase in boiling point and decrease in freezing point.

The correct option is A
Beaker A

Elevation in boiling point and depression in freezing point are directly related to the molal concentration of solute. Greater the number of moles of solute, greater the increase in boiling point and decrease in freezing point.