Which statement is true in regard to a spontaneous redox reaction? 

${\mathrm{\Delta G}}^{\mathrm{o}}=-{\mathrm{nFE}}^{\mathrm{o}}$ cell if ${\mathrm{E}}_{\mathrm{cell}}^{\mathrm{o}}$ is positive, then ${\mathrm{\Delta G}}^{\mathrm{o}}$ will be -ve showing that cell reaction is spontaneous.