1.

Find the n factor of KMnO_(4) in difference medium .

Answer»

Solution :(i) In acidic medium
`KMnO_(4) rarr Mn^(-2)`
CHANGE in oxidation number of `Mn+ 7 -2=5`
`:.` the n factor of `KMnO_(4) = 5`
(ii) stronggly basic medium
`KMnO_(4) rarr K_(2) MnO_(4)`
n factor of `KMnO_(4) = +7- 6 = 1`
(iii) NEUTRAL mediumor weakly basic medium
`KMnO_(4) rarr MnO_(2)`
n factor of `KMnO_(4) = +7 - 4 =3`


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