Calculate the standard cell potential for the following Galvanic cell, $\mathrm{Cr}\left|{\mathrm{Cr}}^{3+}\right|\left|{\mathrm{Cd}}^{2+}\right|\mathrm{Cd}$
$\left[\mathrm{Given},{\mathrm{E}}_{{\mathrm{Cr}}^{3+/\mathrm{Cr}}}^{\mathrm{o}}=-0.74\mathrm{V} \mathrm{and} {\mathrm{E}}_{{\mathrm{Cd}}^{2+}/\mathrm{Cd}}^{\mathrm{o}}=-0.40\mathrm{V}\right]$
 

• A

  0.74 V

• B

  -0.34 V

• C

  +0.34 V

   

• D

  1.14 V