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Two solvents A and B have values of K(b)...

Two solvents A and B have values of `K_(b)` in the ratio of 1:2 . A two molal solution of a nonelectrolyte in A has `DeltaT_(b) = 2.4^(@)C`, the value of `DeltaT_(b)` for one molal solution of non-electrolyte in B will
1) 2.4K
2) 0.12K
3) 0.24 K
4) none of these

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