JEE Main 2016ChemistryEnvironmental ChemistryMediumMCQ

JEE Main 2016 — Environmental Chemistry Question with Solution

JEE Main 2016 (10 Apr Online)

Question

Which one of the following substances used in dry cleaning is a better strategy to control environmental pollution?

Choose an option

Show full solutionCorrect option: B
Correct answer
BCarbon dioxide

Step-by-step explanation

CO2 is used in dry cleaning is a better strategy to control environmental pollution. Liquid carbon dioxide is better to replace conventional halogenated solvents which are potentially carcinogenic. These detergents are developed in a way that one end of the molecule is soluble in non-polar substances like grease, oil stains and the other end dissolves in liquid carbon dioxide.

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About this question

This is a previous-year question from JEE Main 2016, covering the Environmental 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.