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[" A solution containing one mole per li...

[" A solution containing one mole per litre each of "Cu(NO_(3))_(2),AgNO_(3),Hg_(2)(NO_(3))_(2)" and Mg(NO_3k ")_((NO_(3k))_(2))],[" is being electrolysed by using inert electrodes.The values of standard electrode potential "],[" (reduction potentials) in volts are "],[[Ag_(2)^(+)|Cu=0.80V_(i),Hg_(2^(+))^(2+)/Mg=0.79V],[" With increasing voltage the sequence of deposition of metals on the cathode will be "],[" (A) Ag,Hg,Cu,Mg "," (B) "Mg,Cu,Hg,Ag],[" (C) "Ag,Hg,Cu," (D) "Cu,Hg,Ag]]

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