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Q.

The emf(in V) of a Daniel cell containing 0.1M  ZnSO4 and  0.01MCuSO4 solution at their respective electrodes is ECu2+/Cu0=0.34v,EZn2+/Zn0=0.76v 

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a

1.10

b

1.13

c

1.16 

d

1.07

answer is D.

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Detailed Solution

Ecell=ECell00.06nlogproductsreactants

Ecell0=ECathode0EAnode

At Anode       ZnZn+2+2c¯
At Cathode       Cu2++2c¯Cu¯

              Cu2++znCu+Zn+2¯

ECell=0.340.760.062log101102
               =1.07V

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