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Boiling point of pure $H_2O$ is 373.15 K. If 32.5 g of KCN is dissolved in 100 ml of $H_2O$, what will be the boiling point of solution ? (Given Kb for $H_2O = 0.52 K. kg mol^{−1 }$ and Molar mass of KCN= 65 gm / mole)

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A)
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$105.20^{\large\circ}$C
Hence (A) is the correct answer.