Q57 / 180 · AIIMS 2004 · Chemistry

The statement true for $\mathrm{N}_3^{-}$is

  • A
    it has a non-linear structure
  • B
    it is called pseudohalogen
  • Correct answer
    C
    the formal oxidation state of nitrogen in this anion is -1
  • D
    it is isoelectronic with $\mathrm{NO}_2$.

Solution

Azide ion is a linear molecule, it is a pseudo halide and formal oxidation state of $\mathrm{N}$ in azide ion is -1 . Figure

Hence, the correct answer is option: 'C'.

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