When an aqueous solution that is 1M each in HCl, ZnCl2, and CoBr2 is electrolyzed, the elemental products formed initially at the cathode and anode are, respectively
A) Zn (s) and Cl2 (g)
B) Co (s) and Br2 (g)
C) H2 (g) and Cl2 (g)
D) Zn (s) and Br2 (g)
E) H2 (g) and Br2 (g)
The standard electrode potential of zinc is -.763, the standard electrode potential of chlorine is +1.36, the standard electrode potential of cobalt is -.277, the standard electrode potential of bromine is +1.07, the standard electrode potential of hydrogen is 0