$\mathrm{E}^{0}$ of $\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}$ is -0.41 V and $\mathrm{E}^{0} \mathrm{Mn}

Question

$\mathrm{E}^{0}$ of $\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}$ is -0.41 V and $\mathrm{E}^{0} \mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}$ is +1.51 V . \ These values suggest that\

Professor PC Thomas Classes · Answer

$\mathrm{Cr}^{2+}$ acts as a reducing agent whereas $\mathrm{Mn}^{3+}$ as an oxidising agent\