At normal boiling point, molar entropy of vaporisation is _____________ Joule/K°.mole?
Correct answer: B. 92
- A. 72
- B. 92
- C. 142
- D. 192
Explanation
Trouton's rule gives the molar entropy of vaporisation at the normal boiling point as approximately 85 to 90 J/(mol·K) for many liquids. Among the choices, 92 J/(mol·K) is the suitable value.
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