MCQ
The oxidation number of nitrogen in $NO_3^ - $ is
- A$-1$
- B$+2$
- C$+3$
- ✓$+5$
✓
Answer
Correct option: D.
$+5$
(d) $\mathop {NO_3^ - }\limits^{ * \,\,\,\,\,\,} $
$x - 2 \times 3 = - 1$; $x = 6 - 1 = + 5$.
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