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A solution containing one mole per litre...

A solution containing one mole per litre each of `Cu(NO_(3))_(2),AgNO_(3),Hg_(2)(NO_(3))_(2),Mg(NO_(3))_(2)` is being electrolyesd by using inert electrodes. The value of standard reduction potentials are `Ag^(+)//Ag= +0.80V,Hg_(2)^(2+)//Hg=0.79V, Cu^(2+)// Cu=+0.34V,Mg^(2+)//Mg=-2.7V.` with increasing voltage, the sequence of deposition of metals on the cathode will be:

A

AG,MgHg,Cu

B

Cu,Hg,Ag,Mg

C

Ag,Hg,Cu

D

Mg,Cu,Hg,Ag

Text Solution

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The correct Answer is:
C
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