If and then the value for disproportionation for is :

CHEMISTRY · Single correct · A Level · Chemistry · Electrode potentials · Electrode potentials

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 : (1)

-0.19 \text{ V}

(2)

-0.38 \text{ V}

(3)

0.94 \text{ V}

(4)

0.38 \text{ V}