Electrode potential of Zn is
A. oxidation
B. reduction
C. oxidation-reduction
D. depends on the nature of the coupled electrode
Electrode potential of Zn is Read More »
Chemistry
Potential of SHE is considered as
A. zero
B. unity
C. constant
D. multiple of 1
Potential of SHE is considered as Read More »
Right half cell contains _______ electrode?
A. A1
B. Zn
C. Cu
D. Fe
Right half cell contains _______ electrode? Read More »
Decrease in oxidation number is called
A. oxidation
B. reduction
C. oxidation-reduction
D. all of above represent same entity
Decrease in oxidation number is called Read More »
Reaction at anode is called
A. oxidation
B. reduction
C. redox
D. decomposition
Reaction at anode is called Read More »
In electrolytic solution conductance of electricity is due to
A. free electrons
B. ions
C. metals
D. electrodes
In electrolytic solution conductance of electricity is due to Read More »
The degree of dissociation of week electrolyte increases as
A. Pressure increases
B. Dilution decreases
C. Dilution increases
D. None
The degree of dissociation of week electrolyte increases as Read More »
Which of the following is true in the case of Zn-Cu cell?
A. The flow of electrons takes place from copper to zinc
B. E0red of copper electrode is less than that of zinc electrode
C. Zinc acts as an anode and copper as cathode
D. All are correct
Which of the following is true in the case of Zn-Cu cell? Read More »
Which of the following cell is not rechargeable ?
A. Lead storage battery
B. Silver oxide cell
C. Fuel cell
D. Ni-Cd cell
Which of the following cell is not rechargeable ? Read More »