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JEE Main 20199 JanuaryEvening Shift

Exam: JEE Main
Year: 2019
Date: 9 January
Shift: Evening Shift
Subject: Chemistry
Chapter: Environmental Chemistry

JEE Main 2019 · 9 January · Evening Shift · Chemistry · Environmental Chemistry

Which of the following conditions in drinking water causes...

Which of the following conditions in drinking water causes methemoglobinemia?

Options

A $> 50$ ppm of nitrate
B $> 50$ ppm of chloride
C $> 100$ ppm of sulphate
D $> 50$ ppm of lead

Correct answer

A. $> 50$ ppm of nitrate

Step-by-step solution

Methemoglobinemia disease occur due to

N{O}_{3}^{-}

, when it's concentration is higher than

50ppm

in water.

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