The cell reaction of the galvanic cell : `Cu_((s))|Cu_((aq))^(2+) ||Hg_((aq))^(2+) |Hg_((l))` is

Options

A. `Hg+Cu^(2+)toHg^(2+)+Cu`
B. `Hg+Cu^(2+)toCu^(2+)+Hg^(+)`
C. `Cu+HgtoCuHg`
D. `Cu+Hg^(2+)toCu^(2+)+Hg`

Answer

d

Explanation

`underset("anode oxidation")(Cu_((s))|Cu_((ag))^(2+))||underset("cathode reduction")(Hg_((Ag))^(2+)|Hg_((l)))`