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 $- 5$
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$(i)$ Pyro silicate
$(ii)$ Cyclic silicate
$(iii)$ Double chain silicate
$(iv)$ Single chain silicate
$(v)$ $3D$ silicate
$(vi)$ Sheet silicate

Which of the following structures best represents the intermediate responsible for this process?
