1.

KMnO_(4) acts as an oxidising agent in alkaline medium. When alkaline KMnO_(4)is treated with KI, iodide ion is oxidised to

Answer»

`I_(2)`
`IO^(-)`
`IO_(3)`
`IO_(4)^(-)`

Solution :`Cr^(3+) : 3D^(3)`
`MU = sqrt(n(n+1)) B.M.`
` = sqrt(3(3+2))`
` = 3.87` B.M.


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