$KMnO_4$ reacts with ferrous sulphate according to the equation:
$MnO_4^- + 5Fe^{2+} + 8H^{+} \to Mn^{2+} + 5Fe^{3+} + 4H_2O$
Here,$10 \ mL$ of $0.1 \ M$ $KMnO_4$ is equivalent to:

  • A
    $20 \ mL$ of $0.1 \ M$ $FeSO_4$
  • B
    $30 \ mL$ of $0.1 \ M$ $FeSO_4$
  • C
    $40 \ mL$ of $0.1 \ M$ $FeSO_4$
  • D
    $50 \ mL$ of $0.1 \ M$ $FeSO_4$

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