Question

Consider following scheme involving oxides and oxy-acids of nitrogen. Out of the following which reactions are disproportionations?

• A. 2, 10
• B. 2, 3
• C. 1, 11
• D. 13, 14

Answer 1

Answer: (A), (C)

The correct options are
A 2, 10
C 1, 11

Oxidation state of N in different compounds

$N_2$ --- 0
$N{H}_3$ --- -3
$NO$ --- +2
$HN{O}_2$ --- +3
$N{O}_2,N_2{O}_4$ --- +4
$N_2{O}_5$ --- +5
$HN{O}_3$ --- +5

Disproportionation is a specific type of redox reaction in which a species is simultaneously reduced and oxidised to form two different products.