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NEET
Exam
NEET
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

NEET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Which of the following can be used to remove the impurities NO and...

Which of the following can be used to remove the impurities NO and HNO3 from dinitrogen gas?

Options

  1. AAqueous sulphuric acid containing potassium dichromate
  2. BSodium hydroxide solution
  3. CActivated charcoal
  4. DAll of the above

Correct answer

A. Aqueous sulphuric acid containing potassium dichromate

Step-by-step solution

The paragraph states that the impurities NO and HNO3 can be removed from dinitrogen gas by passing the gas through aqueous sulphuric acid containing potassium dichromate.
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