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The boiling point of an aqueous solution...

The boiling point of an aqueous solution of a non-volatile solute is `100.15^(@)C`. What is the freezing point of an aqueous solution obtained by diluting the above solution with an equal volume of water? `[K_(b) and K_(f) "for water are 0.512 and 1.86 K" molal^(-1)]`

A

`-0.544^(@)C`

B

`-0.512^(@)C`

C

`-0.272^(@)C`

D

`-1.86^(@)C`

Text Solution

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The correct Answer is:
A
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The boiling point of an aqueous solution of a non-volatile solute is 100.15^(@)C . What is the freezing point of an aqueous solution obtained by dilute the above solution with an equal volume of water. The values of K_(b) and K_(f) for water are 0.512 and 1.86^(@)C mol^(-1) :

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