JEE PYQ: States Of Matter Question 23
Question 23 - 2019 (12 Jan Shift 2)
Given gas critical temperature/K: $\text{H}_2$: 33, $\text{CH}_4$: 190, $\text{CO}_2$: 304, $\text{SO}_2$: 630. Which gas shows least adsorption on charcoal?
(1) $\text{SO}_2$ (2) $\text{CH}_4$ (3) $\text{CO}_2$ (4) $\text{H}_2$
Show Answer
Answer: (4) $\text{H}_2$
Solution
Smaller critical temperature means lesser adsorption. $\text{H}_2$ has the least critical temperature (33 K).
BETA
