MCQ
In the conversion $B{r_2}\, \to \,BrO_3^ - ,$ the oxidation state of bromine changes from
  • A
    $-1 $ to $ -1$
  • B
    $0 $ to $-1$
  • $0 $ to $+ 5$
  • D
    $0$ to $- 5$

Answer

Correct option: C.
$0 $ to $+ 5$
(c) $\mathop {B{r_2}}\limits^{0\,\,\,} \to \mathop {BrO_3^ - }\limits^{ + 5\,\,\,\,\,\,\,} $, in this reaction oxidation state change from $0 $ to $ + 5.$

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