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Which of the following aqueous solution ...

Which of the following aqueous solution should have the highest boiling point ?

A

1.0 M NaOH

B

1.0 M `Na_2SO_4`

C

1.0 M `NH_4NO_3`

D

1.0 M `KNO_3`

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaT_b=iK_bm`
`T_b-T_b^@=iK_bm`
Thus, boiling point of solution `(T_b)` depends on value of van't Hoff factor (i).
For 1.0 M `Na_2SO_4` solution, i=3 hence, it has highest boiling point.
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