Which of the following element act as inert electrode________________?
CCu
B. Ag
C. Pt
D. None
Electrochemistry
The half cells are interconnected through________________?
The half cells are interconnected through________________?
A. wire
B. salt bridge
C. electric circuit
D. no connection exists
Percentage of sulfuric acid in lead accumulator is__________________?
Percentage of sulfuric acid in lead accumulator is__________________?
A. 40%
B. 25%
C. 30%
D. 50%
Voltaic cell is a_________________?
Voltaic cell is a_________________?
A. irreversible cell
B. reversible cell
C. alkaline cell
D. all of the above
The strength of solution of an element whose electrode potential is to be measured is________________?
The strength of solution of an element whose electrode potential is to be measured is________________?
A. 2M
B. 1N
C. 1m
D. 1M
Capacity of one lead accumulator cell is___________________?
Capacity of one lead accumulator cell is___________________?
A. 1.5 volts
B. 2 volts
C. 3 volts
D. 1 volts
Lead accumulators are_______________?
Lead accumulators are_______________?
A. secondary cell
B. primary cell
C. voltaic cell
D. both A & C
Greater value of standard reduction potential smaller will be tendency______________?
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
In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?
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
List of elements based on hydrogen scale is called________________?
List of elements based on hydrogen scale is called________________?
A. periodic table
B. groups
C. periods
D. electrochemical series