The strength of solution of an element whose electrode potential is to be measured is________________?
A. 2M
B. 1N
C. 1m
D. 1M
Submitted by :- Jamil Ahmed
CHEMISTRY
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Capacity of one lead accumulator cell is___________________?
A. 1.5 volts
B. 2 volts
C. 3 volts
D. 1 volts
Submitted by :- Mansoor Khan
Lead accumulators are_______________?
A. secondary cell
B. primary cell
C. voltaic cell
D. both A & C
Submitted by :- Jamil Ahmed
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
Submitted by :- Mansoor Khan
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
Submitted by :- Jamil Ahmed
List of elements based on hydrogen scale is called________________?
A. periodic table
B. groups
C. periods
D. electrochemical series
Submitted by :- Jamil Ahmed
Chemical used in salt bridge is________________?
A. KOH
B. KCI
C. KNO3
D. KBr
Submitted by :- Jamil Ahmed
H2 gas in SHE is filled at pressure of___________________?
A. 760mm of Hg
B. 750mm of Hg
C. 780mm of Hg
D. 800mm of Hg
Submitted by :- Jamil Ahmed
Right half cell contains _____________ electrode?
A. Al
B. Zn
C. Cu
D. Fe
Submitted by :- Jamil Ahmed
Decrease in oxidation number is called__________________?
A. oxidation
B. reduction
C. oxidation-reduction
D. all of above represent same entity
Submitted by :- Jamil Ahmed