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  4. Number of moles of KMnO 4 required to oxidize 1 L of 1 M iron (II) sulphate (IV) in acidic medium is

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Q. Number of moles of $KMnO _4$ required to oxidize $1 \,L$ of $1 \,M$ iron (II) sulphate (IV) in acidic medium is

Some Basic Concepts of Chemistry

Solution:

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Note In IUPAC nomenclature O.N. have been placed after element
$Fe^{2+}$ is is oxidized to$ Fe^{3+}$ and $SO_3^{2-}$ is oxidized to
$SO_4^{2-}$ by $MnO_4^-$ in acidic medium

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