Chemical Thermodynamics Question 58

Question: The enthalpy of vapourization of a liquid is $ 30,kJ,mo{{l}^{-1}} $ and entropy of vapourization is $ 75,J,mo{{l}^{-1}}K $ . The boiling point of the liquid at 1 atm is [IIT JEE (Screening) 2004]

Options:

A) 250K

B) 400K

C) 450K

D) 600K

Show Answer

Answer:

Correct Answer: B

Solution:

$ dS=\frac{d{Q_{rev.}}}{T} $ ; $ T=\frac{30\times 10^{3}}{75} $ ; $ T=400K $



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