1.

The standard electrode potential of Zn^(2+)|ZnandCu^(2+)|Cu are - 0.76 and 0.34 V respectively . The standard e.m.f. of the cell is :

Answer»

0.42 V
`-1.10 V`
ZERO
`1.10 V`.

SOLUTION :`E^(@)_("CELL")=E^(@)_("CATHODE")-E^(@)_("anode")``=0.34-(-0.76)=1.10V`.


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