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In a 0.2 molal aqueous solution of a wea...

In a `0.2` molal aqueous solution of a weak acid `HX` the degree of ionization is `0.3`. Taking `k_(f)` for water as `1.85` the freezing point of the solution will be nearest to-

A

`-0.360^(@)C`

B

`-0.260^(@)C`

C

`+0.480^(@)C`

D

`-0.480^(@)C`

Text Solution

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The correct Answer is:
D

`Delta T_(f)=k_(f).m`
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