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JEE Main20199 Jan 2019Evening ShiftChemistryEnvironmental ChemistryActual

Which of the following conditions in drinking water causes methemoglobinemia?

Options

  1. A> 50 ppm of nitrate
  2. B> 50 ppm of chloride
  3. C> 100 ppm of sulphate
  4. 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 50 p p m in water.

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