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Which of the following aqueous solutions...

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

A

1.0 M NaOH

B

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

C

`1.0 M NH_(4)NO_(3)`

D

`1.0M KNO_(3)`

Text Solution

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The correct Answer is:
B
Explanation : In 1.0 M `Na_(2)SO_(4)` solution vant Hoff factor, `i gt 1` and is maximum hen compared with the other three glven electrolytes. So, the extent of dissociation in case of 1.0 M `Na_(2)SO_(4)` would be highest yielding maximum no. of ions as compared to the other given electrolytes in their 1.0 M solutions.
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