JEE Main 2025 — Chemical Bonding And Molecular Structure Question with Solution
From: JEE Main 2025 (Online) 3rd April Evening Shift
Question
Given below are two statements:
Statement I : Wet cotton clothes made of cellulose based carbohydrate takes comparatively longer time to get dried than wet nylon polymer based clothes.
Statement II : Intermolecular hydrogen bonding with water molecule is more in nylon-based clothes than in the case of cotton clothes.
In the light of above statements, choose the correct answer from the options given below
Choose an option
Show full solutionCorrect option: D
Step-by-step explanation
The correct choice is Option D: Statement I is true but Statement II is false.
Statement I (True)
Cotton is made from cellulose, which is a kind of carbohydrate. Cellulose has many –OH groups (hydroxyl groups) which can make strong hydrogen bonds with water. Because of this, cotton holds more water and takes more time to dry than nylon.
Statement II (False)
Nylon is made of polymer chains with only a few special groups (amide –NH and C=O) that can form hydrogen bonds with water. Nylon forms fewer hydrogen bonds with water compared to cotton. So, cotton actually makes more hydrogen bonds with water than nylon does.
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This is a previous-year question from JEE Main 2025, covering the Chemical Bonding And Molecular Structure 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.