Ecello of the reaction is Zn(s)+Cu2+(aq)→Zn2+aq+Cu(s);If EZn2+/Zno=-0.76,ECu2+/Cuo=0.34V
0.34 V
-0.76 V
+1.10 V
-1.10 V
For the given reaction,Ecello=ECu2+/Cuo-EZn2+/Zno =0.34--0.76=+1.10V