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A solution containing one mole per litre each of Cu(NO3)2,AgNO3,Hg2(NO3)2 is being electrolysed by using inert electrodes.The values of standard potentials are EAg+|Ag=0.80V,EHg2+2|Hg=0.79V,ECu2+|Cu=0.34V,EMg2+|Mg=2.3V with increasing voltage,the sequence of deposition of metals on the cathode will be

Ag,Hg,Cu,MgMg,Cu,Hg,AgAg,Hg,CuCu,Hg,Ag

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