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Using the data given below
\[
\begin{array}{ll}
E_{\mathrm{Cr}_{2} \mathrm{O}_{7}^{2}}^{\ominus} / \mathrm{Cr}^{3 *}=1.33 \mathrm{~V} & \mathrm{E}_{\mathrm{Cl}_{2} / \mathrm{Cl}}^{\ominus}=1.36 \mathrm{~V} \\
\mathrm{E}_{\mathrm{MnO}_{4}^{-} / \mathrm{Mn}^{2 *}}^{\ominus}=1.51 \mathrm{~V} & \mathrm{E}_{\mathrm{Cr}^{3 *} / \mathrm{Cr}}^{\circ}=-0.74 \mathrm{~V}
\end{array}
\]
P
W
find out the most stable ion in its reduced form.
(i) \( \mathrm{Cl}^{-} \)
(ii) \( \mathrm{Cr}^{3 *} \)
(iii) \( \mathrm{Cr} \)
(iv) \( \mathrm{Mn}^{2+} \)
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