A solution containing one mole for litre each of Cu(NO3)2, AgNO3, Hg2(NO3)2 and Mg(NO3)2 is electrolysed using inert electrodes.Standard electrode potentials in volts (reduction potentials) are:Ag | Ag = 0.80Hg22 |Hg = 0.79Cu2 |Cu = 0.34nMg2 |Mg = -2.37

• A. Ag,Hg,Cu, Mg
• B. Mg,Cu,Hg,Ag
• C. Ag,Hg, Cu
• D. Cu,Hg, Ag