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The correct order of increasing boiling ...

The correct order of increasing boiling point is

A

`0. 05 m Na NO _(3) lt 0.05 m L a ( NO _(3)) _(3)`

B

`0. 05 m Na NO _(3) lt 0. 05 m Mg Br _(2) lt 0. 0 5 m La ( NO _(3)) _(3)`

C

`0. 05 m Mg Br _(2) lt 0 . 05 mL a ( NO _(3)) _(3) lt 0. 05 m Na NO _(3)`

D

`0. 0 5 m La ( NO _(3)) _(3) lt 0. 05 m Mg Br _(2) lt 0. 05 m Na NO _(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
I for `Na NO _(3) = 2`
`La ( NO _(3)) _(3) = 4`
Greater the value of .I. more is the boiling point since `Delta T _(f) = I k _(f)` m .
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