Q. The standard electrode potentials $\left( E _{ M ^{+} / M }^{0}\right)$ of four metals $A , B , C$ and $D$ are $-1.2 \,V$, $0.6 \,V , 0.85 \,V$ and $-0.76\, V$, respectively. The sequence of deposition of metals on applying potential is:
Solution: