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A solution containing one mol/L of each Cu(NO3)2;AgNO3;Hg2(NO3)2;Mg(NO3)2 is being electrolyzedby using inert electrodes. The values of standard electrode potentials (reduction potentials) are Ag+/Ag=0.80 volt , Hg++2/2Hg=0.79 volt, Cu++/Cu=0.24 volt; Mg++/Mg=−2.37 volt. With increasing voltage the sequence of deposition of metals on the cathode will be: |
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Answer» A solution containing one mol/L of each Cu(NO3)2;AgNO3;Hg2(NO3)2;Mg(NO3)2 is being electrolyzedby using inert electrodes. The values of standard electrode potentials (reduction potentials) are Ag+/Ag=0.80 volt , Hg++2/2Hg=0.79 volt, Cu++/Cu=0.24 volt; Mg++/Mg=−2.37 volt. With increasing voltage the sequence of deposition of metals on the cathode will be: |
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