3. The oxidation state of Mn in KMnO, in redox titration before titration is +7, the oxidation state
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The oxidation state of Mn in KMnO₄ in redox titration before titration is +7 , the oxidation state of Mn after completion of titration is ...
solution : titration of potassium permanganate against oxalic acid is an example of redox titration. in this redox reaction, oxalic acid acts as reducing agent while potassium permanganate acts as oxidizing agent.
potassium permanganate is reduced to colourless manganous ions (Mn²⁺).
Therefore after completion of titration, oxidation state of Mn is +2.
Therefore the correct option is (a) +2.
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