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  4. When I- is oxidised by KMnO4 in alkaline medium, I- converts into

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Q. When $I^-$ is oxidised by $KMnO_4$ in alkaline medium, $I^-$ converts into

IIT JEEIIT JEE 2004The p-Block Elements - Part2

Solution:

$I^-$ is oxidised by $MnO_4$ in alkaline medium to form $IO^-_3$
$2KMnO_4 + KI + H_2O \longrightarrow 2KOH + 2MnO_2 + KIO_3$