MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryThermodynamics and ThermochemistryState/Phase Change of Reactants and Products
The enthalpy of vaporisation of a substance is 8400 J mol–1 and its boiling point is –173ºC. The entropy change for vaporisationis :
A.84 J mol-1 K-1✓ Correct
B.21 J mol-1 K-1
C.49 J mol-1 K-1
D.12 J mol-1 K-1
Explanation
1 1 rev q 8400 S 84Jmol K T 100
Practice More Like This
Take chapter-wise tests, track your progress, and master Thermodynamics and Thermochemistry.
Start Free Practice →