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49. Normal boiling point of water is 373 . Vapour pressure of water at 298 K is 23 mm. if the enthalpy of evaporation is 40.656

κ J/mole, the boiling point of water at 23 mm pressure will be

a. 250 K

b. 294 K

c. 51.6 K

d. 12.5 K

Ans.b

(12)

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