A `0.2` molal aqueous solution of a weak acid `(HX)` is `20` percent ionised. The freezing point of this solution is (Given `K_(

A `0.2` molal aqueous solution of a weak acid `(HX)` is `20` percent ionised. The freezing point of this solution is (Given `K_(f)=1.86.^(@)CKgmol^-1` for water):
A. `-0.45^(@)C`
B. `-0.90^(@)C`
C. `-0.31^(@)C`
D. `-0.53^(@)C`

A `0.2` molal aqueous solution of a weak acid `(HX)` is `20` percent ionised. The freezing point of this solution is (Given `K_(f)=1.86.^(@)CKgmol^-1`

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