JEE Main 2023 — Surface Chemistry Question with Solution
From: JEE Main 2023 (Online) 24th January Evening Shift
Question
The number of statement/s which are the characteristics of physisorption is __________
A. It is highly specific in nature
B. Enthalpy of adsorption is high
C. It decreases with increase in temperature
D. It results into unimolecular layer
E. No activation energy is needed
Enter your answer
Show full solutionCorrect answer: 2
Step-by-step explanation
B. It is low
C. Extent of adsorption decreases with increase of temperature
D. It results in multimolecular layer
E. No activation energy is needed
No. of correct statements
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 2023, 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.