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Question

The redox reaction Zn(s)+PbCl2(aq)Pb(s)+ZnCl2(aq) can be represented as following half equations : Zn(s)Zn2+(aq)+2e (oxidation) and Pb2+(aq)+2ePb(s) (reduction).
If true enter 1, else enter 0.
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Solution

The correct option is A 1
Redox reaction is Zn(s)+PbCl2(aq)Pb(s)+ZnCl2(aq).
The complete ionic equation is Zn(s)+Pb2+(aq)+2Cl(aq)Pb(s)(aq)+Zn2+(aq)+2Cl(aq).
The net ionic equation is Zn(s)(aq)+Pb2+(aq)Pb(s)+Zn2+(aq).
Thus, it can be represented as following half equations :
Zn(s)Zn2+(aq)+2e (oxidation)
and
Pb2+(aq)+2ePb(s) (reduction)

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