If $E^{\circ}_{Fe^{2+}/Fe}=-0.441V$ and $E^{\circ}_{Fe^{3+}/Fe^{2+}}=-0.771V$, the standard EMF of the reaction : ${Fe/2Fe^{3+}}\to 3Fe^{2+}$ will be:

Question

( A ) 0.111 V
( B ) 1.212 V
( C ) 1.653 V
( D ) 0.330 V