Home
Class 12
CHEMISTRY
The standard reduction potential of Pb a...

The standard reduction potential of Pb and Zn electrodes are -0.12 6 and -0.763 volts respectively . The e.m.f of the cell
`Zn|Zn^(2+)(0.1M)||Pb^(2+)(1M)|Pb` is

A

0.637V

B

`lt 0.637V`

C

`gt 0.637V`

D

0.889

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Consider the reaction 2Ag^(+) + Cd to 2Ag + Cd^(2+) . The standard reduction potentials of Ag^(+)//Ag and Cd^(2+)//Cd are + 0*80 " volt and " 0*40 volt, respectively. What will be the emf of the cell if concentration of Cd^(2+) is 0*1 M and Ag^(+) is 0*2 M ?

The value of reaction quotient Q for the cell Zn(s)|Zn^(2+)(0.01M)||Ag^(o+)(1.25M)|Ag(s) is

The standard reduction potential of normal calomel electrode and reduction potential of saturated calomel electrodes are 0.27 and 0.33 volt respectively. What is the concentration of Cl^- in saturated solution of KCl? (a)0.1M (b)0.01M (c)0.001M (d)None

The standard electrode potential for the reactions, Ag^(+)(aq)+e^(-) rarr Ag(s) Sn^(2+)(aq)+2e^(-) rarr Sn(s) at 25^(@)C are 0.80 volt and -0.14 volt, respectively. The emf of the cell Sn|Sn^(2+)(1M)||Ag^(+)(1M)Ag is :

Find the emf of the cell Zn(s)|Zn^(+2)(0.01 M)|KCI "saturated" |Zn^(+2)(1.0 M)|Zn(s)

Find the emf of the cell Zn(s)|Zn^(+2)(0.01 M)|KCI "saturated" |Zn^(+2)(1.0 M)|Zn(s)

Standard reduction electrode potential of Zn^(2+)//Zn is -0.76V . This means:

Zinc granules are added in excess to 500mL OF 1.0m nickel nitrate solution at 25^(@)C until the equilibrium is reached. If the standard reduction potential of Zn^(2+)|Zn and Ni^(2+)|Ni are -0.75V and -0.24V , respectively, find out the concentration of Ni^(2+) in solution at equilibrium.

The value of the reaction quotient Q for the cell Zn(s)|Zn^(2+)(0.01M)||Ag^(+)(0.05M)|Ag(s) is

The standard potential of the cell reaction Zn+Cl_(2)rarr Zn^(2+)+2Cl^(-) is 2.10V .Then the emf of the cell Zn|Zn^(+2)(0.05M)|Cl^(-)(0.2M)|Cl_(2),Pt would be