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Which of the following solutions will ex...

Which of the following solutions will exhibit highest boiling point ?

A

0.01 M urea

B

0.01 M `KNO_(3)`

C

`0.01 M Na_(2)SO_(4)`

D

`0.015 M C_(6)H_(12)O_(6)`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaT_(b)=ixxK_(b)xxm`
`DeltaT_(b)"(urea)"=1xxK_(b)xx0.01=0.01K_(b)((i=1)`
`DeltaT_(b)(KNO_(3))=2xxK_(b)xx0.01=0.02K_(b)(i=2)`
`DeltaT_(b)(Na_(2)SO_(4))=3xxK_(b)xx0.01=0.03K_(b)(i=3)`
`DeltaT_(b)(C_(6)H_(12)O_(6))=1xxK_(b)xx0.015=0.015K_(b)(i=1)`
(C) will have highest boiling point.
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