At 298 K, the standard reduction potentials are 1.51 V for , 1.36 V for , 1.07 V for…

CHEMISTRY · Single correct · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry

Problem

At 298 K, the standard reduction potentials are 1.51 V for

\text{MnO}_4^-/\text{Mn}^{2+}

, 1.36 V for

\text{Cl}_2/\text{Cl}^-

, 1.07 V for

\text{Br}_2/\text{Br}^-

, and 0.54 V for

\text{I}_2/\text{I}^-

. At pH = 3, permanganate is expected to oxidize

\left(\frac{RT}{F} = 0.059\,\text{V}\right)

: (1)

\text{Cl}^-

and

\text{Br}^-

(2)

\text{Cl}^-

\text{Br}^-

and

\text{I}^-

(3)

\text{Br}^-

and

\text{I}^-

(4)

\text{I}^-

only