1. Tardigrade
  2. Question
  3. Chemistry
  4. The enthalpy of vaporization of liquid is 30 kJ mol- 1 and entropy of vapourisation is 75 J mol- 1K- 1 . The boiling point of the liquid at 1 atm is

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. The enthalpy of vaporization of liquid is $30 \, kJ \, mol^{- 1}$ and entropy of vapourisation is $75 \, J \, mol^{- 1}K^{- 1}$ . The boiling point of the liquid at 1 atm is

NTA AbhyasNTA Abhyas 2022

Solution:

$ds=\frac{d q_{r e v}}{T}\Rightarrow 75=\frac{30 \times 10^{3}}{T}\Rightarrow T=400 \, K$
Hence (B) is correct option.