Q98 · CSIR NET Chemistry, June 2013
Paper: CSIR NET June 2013 · Subject: Physical Chemistry · Chapter: Statistical Thermodynamics · Topic: Statistical Equilibrium · Marks: 2 · Difficulty: Medium
The allowed transition among the following is
(a)${ }^{3} \mathrm{F}_{4} \rightarrow{ }^{3} \mathrm{D}_{3}$
(b)${ }^{3} \mathrm{F}_{4} \rightarrow{ }^{1} \mathrm{D}_{3}$
(c)${ }^{3} \mathrm{F}_{4} \rightarrow{ }^{3} \mathrm{P}_{4}$
(d)${ }^{3} \mathrm{F}_{4} \rightarrow{ }^{3} \mathrm{D}_{2}$
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
n_j/n_i = (g_j/g_i)e^{−ΔE/kT} = 2e^{−2}.
Study loop for Statistical Thermodynamics