MCQ
Oxidation state of $‘S’ $ in ${H_2}S{O_3}$
- A$+3$
- B$+6$
- ✓$+4$
- D$+2$
✓
Answer
Correct option: C.
$+4$
(c)${H_2}\mathop {S{O_3}}\limits^{ * \,\,\,\,\,\,\,} $
$ + 2 + x - 2 \times 3 = 0$; $x = 6 - 2 = + 4$.
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