MCQ
Oxidation number of nitrogen in $NaN{O_2}$ is
  • A
    $+2$
  • $+3$
  • C
    $+4$
  • D
    $-3$

Answer

Correct option: B.
$+3$
(b) Let the oxidation number of $N$ in $NaN{O_2}$ be $x$

$ + 1 + x + ( - 2) \times 2 = 0$

$1 + x - 4 = 0$; $x = + 3$

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