A) \[\text{N}{{\text{O}}_{2}}\]
B) \[{{\text{N}}_{2}}\text{O}\]
C) \[{{\text{N}}_{2}}{{\text{O}}_{3}}\]
D) \[{{\text{N}}_{2}}{{\text{O}}_{5}}\]
Correct Answer: C
Solution :
Oxide of Nitrogen| Formula and name | Oxi. no. of N | Physical appearance | Method of preparation |
| \[{{\text{N}}_{\text{2}}}\text{O}\](Nitrous oxide laughing gas | + 1 | colourless gas | \[\text{N}{{\text{H}}_{4}}N{{O}_{3}}\xrightarrow{\Delta }\] \[{{N}_{2}}O+2{{H}_{2}}O\] |
| NO (Nitric oxide) | + 2 | Colourless gas | \[4N{{H}_{3}}+5{{O}_{2}}\xrightarrow{{}}\] \[4NO+6{{H}_{2}}O\] |
| \[{{N}_{2}}{{O}_{3}}\](dinitrogen tetraoxide) | + 3 | Blue solid | \[NO(g)+N{{O}_{2}}(g)\] \[\xrightarrow{-20{{\,}^{o}}C}{{N}_{2}}{{O}_{3}}\] |
| \[{{N}_{2}}{{O}_{4}}\](dinitrogentetraoxide) | + 4 | Colourless liquid | \[2N{{O}_{2}}{{N}_{2}}{{O}_{4}}\] |
| \[N{{O}_{2}}\]nitrogen dioxide | + 4 | Brown gas | \[2Pb{{(N{{O}_{3}})}_{2}}\xrightarrow{\Delta }\] \[2PbO+4N{{O}_{2}}+{{O}_{2}}\] |
| \[{{N}_{2}}{{O}_{5}}\]dinitrogen pentoxide | + 5 | colourless gas | \[4HN{{O}_{3}}+{{P}_{4}}{{O}_{10}}\] \[\xrightarrow{{}}2{{N}_{2}}{{O}_{5}}+4HP{{O}_{3}}\] |
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