The standard electrode potentials for some half-reactions are given below. Which statement is correct?
$(A) Sn^{4+} + 2e^{-} \rightarrow Sn^{2+}, E^o = +0.15 \ V$
$(B) 2Hg^{2+} + 2e^{-} \rightarrow Hg_{2}^{2+}, E^o = +0.92 \ V$
$(C) PbO_2 + 4H^{+} + 2e^{-} \rightarrow Pb^{2+} + 2H_2O, E^o = +1.45 \ V$

  • A
    $Pb^{2+}$ is a stronger reducing agent than $Sn^{2+}$.
  • B
    $Sn^{4+}$ is a stronger oxidizing agent than $Pb^{4+}$.
  • C
    $Sn^{2+}$ is a stronger reducing agent than $Hg_{2}^{2+}$.
  • D
    $Hg^{2+}$ is a stronger oxidizing agent than $Pb^{4+}$.

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