Chemistry > Physical Chemistry > Electrochemistry

Standard electrode potential for $\text{Sn}^{4+}/\text{Sn}^{2+}$ couple is +0.15 V and that for the $\text{Cr}^{3+}/\text{Cr}$ couple is $-$0.74 V. The two couples in their standard states are connected to make a cell. The cell potential will be