MCQ
In alkaline medium. $\mathrm{MnO}_4^{-}$oxidises $\mathrm{I}^{-}$to
- A$\mathrm{IO}_4^{-}$
- B$\mathrm{IO}^{-}$
- C$\mathrm{I}_2$
- ✓$\mathrm{IO}_3^{-}$
✓
Answer
Correct option: D.
$\mathrm{IO}_3^{-}$
d
$2 \mathrm{MnO}_4^{-}+\mathrm{H}_2 \mathrm{O}+\mathrm{I}^{-} \xrightarrow{\text { allcaline medium }} 2 \mathrm{MnO}_2+2 \mathrm{OH}^{-}+\mathrm{IO}_3^{-}$
$2 \mathrm{MnO}_4^{-}+\mathrm{H}_2 \mathrm{O}+\mathrm{I}^{-} \xrightarrow{\text { allcaline medium }} 2 \mathrm{MnO}_2+2 \mathrm{OH}^{-}+\mathrm{IO}_3^{-}$
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