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1 M solution each of Cu(NO3)2, AgNO3, Hg...

1 M solution each of `Cu(NO_3)_2`, `AgNO_3`, `Hg(NO_3)_2` and `Mg(NO_3)_2` is electrolysed using Pt electrons. The values of standard reduction electrode potentials in volts are:
`Ag^+|Ag=+0.80V, Cu^(2+)|Cu=+0.34V`
`Hg^(2+)|Hg=+0.79V, Mg^(2+)|Mg=-2.37V` The sequence of deposition of metals on the cathode will be

A

Mg, Ag, Cu

B

Mg, Cu, Ag

C

Ag, Hg, Cu

D

Cu, Hg, Ag

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MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE
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