Paper: CSIR-NET June 2013 · Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Marks: 2 · Difficulty: Medium
Among the oxides of nitrogen, $\mathrm{N}_{2} \mathrm{O}_{3}, \mathrm{N}_{2} \mathrm{O}_{4}$, and $\mathrm{N}_{2} \mathrm{O}_{5}$ the compound(s) having $\mathrm{N}-\mathrm{N}$ bond is/are
(a)$\mathrm{N}_{2} \mathrm{O}_{4}$ and $\mathrm{N}_{2} \mathrm{O}_{5}$
(b)$\mathrm{N}_{2} \mathrm{O}_{3}$ and $\mathrm{N}_{2} \mathrm{O}_{5}$
(c)$\mathrm{N}_{2} \mathrm{O}_{3}$ and $\mathrm{N}_{2} \mathrm{O}_{4}$
(d)$\mathrm{N}_{2} \mathrm{O}_{5}$ only
Answer
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Explanation
N₂O₃ (ON–NO₂) and N₂O₄ (O₂N–NO₂) have N–N bonds; N₂O₅ is O₂N–O–NO₂.