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Which of the following netals wil be dep...

Which of the following netals wil be deposited first when a solution containing 0.1 mol/litre of each of `AgNO_(3)` , `Ca(NO_(3))_(2)`, and `Mg(NO_(3))_(2)` is electrolysed by using inert electrodes ?
It is given that `E_((Ag))^(@)=+0.80 V, E_((Cu))^(@)=0.34V, E_((Ni))^(@) =-0.25V "and" E_((Mg))^(@) =-2.38 V`.

A

Ag

B

Cu

C

Ni

D

Mg

Text Solution

Verified by Experts

The correct Answer is:
A
Reduction potential of `Ag^(+)//Ag` is highest , hence it can most easily undergo reduction and get deposited at cathode.
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