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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

`-0.260^@`

B

`+0.480^@C`

C

`-0.480^@C`

D

`-0.360^@C`

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The correct Answer is:
C
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