A 0.2 molal aqueous solution of a weak acid (HX) is 20% ionised. The freezing point of this solution is (Given \[{{K}_{f}}={{1.86}^{o}}C/m\] for water) [IIT 1995]

A 0.2 molal aqueous solution of a weak acid (HX) is 20% ionised. The f

1.	A 0.2 molal aqueous solution of a weak acid (HX) is 20% ionised. The freezing point of this solution is (Given \[{{K}_{f}}={{1.86}^{o}}C/m\] for water) [IIT 1995]
A.	\[-{{0.31}^{o}}C\]
B.	\[-{{0.45}^{o}}C\]
C.	\[-{{0.53}^{o}}C\]
D.	\[-{{0.90}^{o}}C\]
Answer» C. \[-{{0.53}^{o}}C\]

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A 0.2 molal aqueous solution of a weak acid (HX) is 20% ionised. The freezing point of this solution is (Given \[{{K}_{f}}={{1.86}^{o}}C/m\] for water) [IIT 1995]

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