JEE Main 2017 — Environmental Chemistry Question with Solution
From: JEE Main 2017 (Offline)
Question
A water sample has ppm level concentration of following anions
F- = 10; = 100; = 50
The anion/anions that make/makes the water sample unsuitable for drinking is/are :
F- = 10; = 100; = 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
Permissible limit for SO4
2-
= 500 ppm
Permissible limit for NO3 - = 50 ppm
Permissible limit for F- = 1 ppm
Permissible limit for NO3 - = 50 ppm
Permissible limit for F- = 1 ppm
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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.