Chemistry - Electrochemistry Question with Solution | TestHub

The reaction would be spontaneous if oxidation potential of $B$ is greater than oxidation potential of A.

The reaction will be spontaneous if $E_{A^{+}\mid A}-E_{B^{+}\mid B}$ is $+ve$.

The reaction will be spontaneous if ${\mathrm{E}}_{A^{+}\mid A}^o-{\mathrm{E}}_{B^{+}\mid B}^o$ is -ve.

The reaction will be spontaneous if A is a gas.