Regarding nitrous acid in the following the correct stateme…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Compounds of Nitrogen and Phosphorus Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

Regarding nitrous acid in the following the correct statements are

It is prepared by dissolving N 2 O 3 in water

It acts as an oxidising agent with NO, N 2 O and HI

From the aqueous solution of NO 2 – , NO 2 – ions can be removed by boiling with urea

NO 2 – can liberate I 2 from the acidified KI solution

Text Solution

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The correct answer is:

CHECK THE SOLUTION.

(a, b, c, d)

HNO 2 or NO 2 – on boiling with urea

2HNO 2 + OC(NH 2 ) 2 ⎯→ 2N 2 + CO 2 + 3H 2 O

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