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.Management Sciences
Category: Electrochemistry
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
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
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
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
The degree of dissociation of week electrolyte increases as________________?
A. Pressure increases
B. Dilution decreases
C. Dilution increases
D. None
In a galvanic cell________________?
A. Chemical energy is converted into electricity
B. Chemical energy is converted into heat
C. Electrical energy is converted into chemical energy
D. Electrical energy is converted into heat
E0red of an element cab be calculated by comparing it with _____________________?
A. New electrode of same element
B. SHE
C. 1M solution of ions of respective element
D. 2M solution of HCI
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
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