| Name and Formula | Oxidation State,Preparation,and Properties |
|---|---|
| Dinitrogen oxide $(N_{2}O)$ | Oxidation state: $+1$. Preparation: $NH_{4}NO_{3} \xrightarrow{Heat} N_{2}O + 2H_{2}O$. Properties: Colourless gas,neutral. |
| Nitrogen monoxide $(NO)$ | Oxidation state: $+2$. Preparation: $2NaNO_{2} + 2FeSO_{4} + 3H_{2}SO_{4} \rightarrow Fe_{2}(SO_{4})_{3} + 2NaHSO_{4} + 2H_{2}O + 2NO$. Properties: Colourless gas,neutral. |
| Dinitrogen trioxide $(N_{2}O_{3})$ | Oxidation state: $+3$. Preparation: $2NO + N_{2}O_{4} \xrightarrow{250 \ K} 2N_{2}O_{3}$. Properties: Blue solid,acidic. |
| Nitrogen dioxide $(NO_{2})$ | Oxidation state: $+4$. Preparation: $2Pb(NO_{3})_{2} \xrightarrow{673 \ K} 4NO_{2} + 2PbO + O_{2}$. Properties: Brown gas,acidic. |
| Dinitrogen tetroxide $(N_{2}O_{4})$ | Oxidation state: $+4$. Preparation: $2NO_{2} \rightleftharpoons N_{2}O_{4}$. Properties: Colourless solid/liquid,acidic. |
| Dinitrogen pentoxide $(N_{2}O_{5})$ | Oxidation state: $+5$. Preparation: $4HNO_{3} + P_{4}O_{10} \rightarrow 4HPO_{3} + 2N_{2}O_{5}$. Properties: Colourless solid,acidic. |
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