Home
Class 12
CHEMISTRY
The emf of a galvanic cell, with electro...

The `emf` of a galvanic cell, with electrode potentials of silver `= + 0. 80 V` and that of copper `= + 0.34 V`, is .

A

`-1.1 V`

B

`+1.1 V`

C

`+0.46 V`

D

`+0.76 V`

Text Solution

Verified by Experts

The correct Answer is:
C
Properties of ionic solid
Promotional Banner

Similar Questions

Explore conceptually related problems

The e.m.f of galvanic cell , with oxidation potentials of Zn = +0.76 V and that of Cu = -0.34 V , is ________.

The standard electrode potential of Zn^(2+) // Zn is -0.76V and that of Ca^(2+) // Cu is 0.34V . The emf(V) and the free energy change (kJ "mol"^(-1)) , respectively , for a Daniel cell will be

(a) Calculate the potential of Zn^(2+)//Zn electrode in which zinc ion activity is 0.001 M. mol^(-1),=96500 C mol^(-1), E_(Zn^(2+)//Zn)^(@)=-0.76" V ") (b) Calculate the electrode potential of copper electrode dipped in a 0.1 M solution of copper sulphate at 298 K, assuming CuSO_(4) to be completely ionised. The standard reduction potential of copper , E_(Cu^(2+)//Cu)^(@)=0.34" V " at 298 K.

The standard electrode potentials of Zn, Ag and Cu are -0.76, 0.80 and 0.34 volt respectively, then: