The latent heat of vapourisation of water is 540 cal g-1 at 100°C. Kb for water is

(a) 0.562 K.mole-1

(b) 1.86 K.mole-1

(c) 0.515 K.mole-1

(d) 5.12 K.mole-1


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Elevation of Boiling Point
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