Chemistry

Problem

E_{\text{Cu}^{2+}/\text{Cu}}^{\circ} = 0.34 \text{ V}

and

E_{\text{Cu}^{2+}/\text{Cu}^+}^{\circ} = 0.15 \text{ V}

then the value for disproportionation for

\text{Cu}^+

is : a.

-0.19 \text{ V}

-0.38 \text{ V}

0.94 \text{ V}

0.38 \text{ V}