Question

Give a brief account of the oxoacids of nitrogen and write their structures.

Answer 1

Except for bismuth, all other elements of group 15 form oxoacids. Nitrogen forms several oxoacids.

Oxoacid	Structure
Hyponitrous acid (H2N2O2)	\[\ce{HO - N = N - OH}\]
Nitrous acid (HNO2)	\[\begin{array}{cc} \phantom{.........}\ce{O}\\ \phantom{.......}//\\ \ce{H - N}\\ \phantom{.......}\backslash\\ \phantom{.........}\ce{O}\\ \end{array}\]
Nitric acid (HNO3)	\[\begin{array}{cc} \phantom{..............}\ce{O}\\ \phantom{............}//\\ \ce{H - O - N}\\ \phantom{...........}\backslash\\ \phantom{.............}\ce{O}\\ \end{array}\]
Pemitric acid (HNO4)	\[\begin{array}{cc} \phantom{..................}\ce{O}\\ \phantom{................}//\\ \ce{H - O - O - N}\\ \phantom{...............}\backslash\\ \phantom{.................}\ce{O}\\ \end{array}\]