The molar residual entropy (in JK⁻¹) of solid OCS would be closest to

Q146 · CSIR-NET Chemistry, December 2019

Paper: CSIR-NET December 2019 · Subject: Physical Chemistry · Chapter: Statistical Thermodynamics · Topic: Statistical Equilibrium · Marks: 2 · Difficulty: Easy

The molar residual entropy (in $\mathrm{JK}^{-1}$ ) of solid OCS would be closest to

(a)0

(b)2.9

(c)5.8

(d)8.7

Answer

Answer: C ✓ checked by 4AB · confidence high

Explanation

Two random orientations (OCS/SCO): S = R ln 2 ≈ 5.8 J K⁻¹ mol⁻¹ (c).

Study loop for Statistical Thermodynamics