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Select the correct option if it is known that \( K_{\text {sp }} \) \( (\mathrm{AgCl})K_{\text {sp }}(\mathrm{AgBr})K_{\text {sp }}(\mathrm{AgI}) \)
(a) \( E_{\mathrm{I}^{-}|\mathrm{AgI}| \mathrm{Ag}}^{\circ}E_{\mathrm{Br}^{-}|\mathrm{AgBr}| \mathrm{Ag}}^{\circ}E_{\mathrm{Cl}^{-}|\mathrm{AgCl}| \mathrm{Ag}}^{\circ} \)
(b) \( E_{\mathrm{I}^{-}|\mathrm{AgI}| \mathrm{Ag}}^{\circ}E_{\mathrm{Br}^{-}|\mathrm{AgBr}| \mathrm{Ag}}^{\circ}E_{\mathrm{Cl}^{-}|\mathrm{AgCl}| \mathrm{Ag}}^{\circ} \)
(c) \( E_{\mathrm{I}^{-}|\mathrm{AgI}| \mathrm{Ag}}^{\circ}E_{\mathrm{Cl}^{-}|\mathrm{AgCl}| \mathrm{Ag}}^{\circ}E_{\mathrm{Br}^{-}|\mathrm{AgBr}| \mathrm{Ag}}^{\circ} \)
(d) \( E_{\mathrm{I}^{-}|\mathrm{AgI}| \mathrm{Ag}}^{\circ}=E_{\mathrm{Br}^{-}|\mathrm{AgBr}| \mathrm{Ag}}^{\circ}=E_{\mathrm{Cl}^{-}|\mathrm{AgCl}| \mathrm{Ag}}^{\circ} \)
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