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NEET levelSingle correct optionDifficulty 1 of 3so056

The boiling point elevation constant of water is $K_{b} = 0.52 K kg mo l^{- 1}$ . A solution of a non-volatile non-electrolyte in water has molality $0.50 mol k g^{- 1}$ . By how much does its boiling point exceed that of pure water?

A $0.13 K$
B $1.04 K$
C $0.52 K$
D $0.26 K$

Answer: D

Δ T_{b} = K_{b} m

. Here

Δ T_{b} = 0.52 \times 0.50 = 0.26 K

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