JEE Main 2022 — Surface Chemistry Question with Solution
From: JEE Main 2022 (Online) 29th July Evening Shift
Question
Given below are the critical temperatures of some of the gases:
| Gas | Critical temperature (K) |
|---|---|
| He | 5.2 |
| CH | 190.0 |
| CO | 304.2 |
| NH | 405.5 |
The gas showing least adsorption on a definite amount of charcoal is
Choose an option
Show full solutionCorrect option: A
Correct answer
AHe
Step-by-step explanation
The greater the value of critical temperature greater is adsorption as He has the least critical temperature so it
adsorb least.
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Surface Chemistry chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2022, covering the Surface Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.