A. oxidation
B. reduction
C. oxidation-reduction
D. depends on the nature of the coupled electrode
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Related Mcqs:
- For the measurement of standard electrode potential Zn is dipped in________________?
A. 1 M ZnO solution
B. 1 M ZnSO4 solution
C. 1.5 M ZnSO4 solution
D. 0.1 M ZnSO4 solution - In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?
A. greater
B. lesser
C. sum of reduction and oxidation potentials
D. none - The strength of solution of an element whose electrode potential is to be measured is________________?
A. 2M
B. 1N
C. 1m
D. 1M - If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?
A. H2 is deposited at cathode
B. Colour of the solution becomes fade
C. Cu is deposited at anode
D. All are possible - Right half cell contains _____________ electrode?
A. A1
B. Zn
C. Cu
D. Fe - At which electrode the reduction of the solution is occurring in Al-Ag cell_____________?
A. A
B. Ag
C. Both
D. Neither - Greater value of standard reduction potential smaller will be tendency______________?
A. to form positive ions
B. to form negative ions
C. gain electrons
D. all are possible - Potential of SHE is considered as__________________?
A. zero
B. unity
C. constant
D. multiple of 1 - Greater value of standard reduction potential greater will be tendency__________________?
A. to get oxidized
B. to get reduced
C. to accept electrons
D. both B and C - The reduction potential Zn is_________________?
A. 0.76
B. -0.76
C. -0.55
D. 0.55
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