Q35 · CSIR-NET Chemistry, December 2014
Paper: CSIR-NET December 2014 · Subject: Physical Chemistry · Chapter: Statistical Thermodynamics · Topic: Statistical Thermodynamics – General · Marks: 2 · Difficulty: Medium
Identify the speed distribution functions of Ne, Ar and Kr with the curves in the figure above: 
(a)Ne-A ,Ar-B, Kr-C
(b)Ne-B ,Ar-C, Kr-A
(c)Ne-C ,Ar-B, Kr-A
(d)Ne-C ,Ar-A, Kr-B
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
At the same T the heaviest gas has the narrowest, lowest-speed distribution: Kr is A, Ar is B and Ne (lightest) is C (c).
Study loop for Statistical Thermodynamics