JEE Main 2017ChemistryEnvironmental ChemistryEasyMCQ

JEE Main 2017 — Environmental Chemistry Question with Solution

JEE Main 2017 (02 Apr)

Question

A water sample has ppm level concentration of following anions

F-=10; SO42-=100; NO3-=50

The anion/anions that make/makes the water sample unsuitable for drinking is/are

Choose an option

Show full solutionCorrect option: B
Correct answer
BOnly F-

Step-by-step explanation

Ions              Maximum prescribed
                    concentration in drinking water

Fluoride                 1.5 ppm

Sulphate                 500 ppm

Nitrate                     50 ppm

Fluoride ion concentration is more than the limit, so it makes water unsuitable for drinking
 

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About this question

This is a previous-year question from JEE Main 2017, 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.