Reduction potential of Zinc Electrode in contact with 0.01M ${\mathrm{ZnSO}}_4$ is  $-0.82\mathrm{V}.$ SRP of Zinc Electrode will be

$$\begin{gathered} -0.82\mathrm{V}= {\mathrm{E}}_{{\mathrm{Zn}}^{+2}/\mathrm{Zn}}^0+ \frac{0.0591}{2}\log \left[{\mathrm{Zn}}^{+2}\right]; \\ -0.82\mathrm{V}= {\mathrm{E}}_{{\mathrm{Zn}}^{+2}/\mathrm{Zn}}^0+ \frac{0.0591}{2}\log \left({10}^{-2}\right); \\ {\mathrm{E}}_{{\mathrm{Zn}}^{+2}/\mathrm{Zn}}^0= -0.82\mathrm{V}+0.06\mathrm{V}=-0.76\mathrm{V} \end{gathered}$$