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JEE Advanced 2024Paper 1
Exam
JEE Advanced
Year
2024
Paper
Paper 1
Subject
Chemistry
Chapter
Redox Reactions

JEE Advanced 2024 · Paper 1 · Chemistry · Redox Reactions

At room temperature, disproportionation of an aqueous solution of...

At room temperature, disproportionation of an aqueous solution of in situ generated nitrous acid (HNO2)\left(\mathrm{HNO}_2\right) gives the species

Options

  1. AH3O+,NO3−\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3^{-}and NO\mathrm{NO}
  2. BH3O+,NO3−\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3{ }^{-}and NO2\mathrm{NO}_2
  3. CH3O+,NO−\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}^{-}and NO2\mathrm{NO}_2
  4. DH3O+,NO3−\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3{ }^{-}and N2O\mathrm{N}_2 \mathrm{O}

Correct answer

A. H3O+,NO3−\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3^{-}and NO\mathrm{NO}

Step-by-step solution

3HNO2(aq)⇌H3O++NO3−+2NO3 \mathrm{HNO}_2(\mathrm{aq}) \rightleftharpoons \mathrm{H}_3 \mathrm{O}^{+}+\mathrm{NO}_3^{-}+2 \mathrm{NO}
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