When \( \mathrm{KMnO}_{4} \) reacts with \( \mathrm{Br}_{2} \) in a...

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When \( \mathrm{KMnO}_{4} \) reacts with \( \mathrm{Br}_{2} \) in alkaline medium
P gives bromate ion. Then oxidation state of \( \mathrm{Mn} \)

W changes from +7 to :
(1) +6
(2) +4
(3) +3
(4) +2
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