Nernst Equation and its Applications NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Nernst Equation and its Applications MCQ Questions


13.
In Nernst equation, log is to the base
A.
2
B.
10
C.
e
D.
5
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ANSWER :
B. 10
14.
For Nernst equation, the temperature must be in
A.
Kelvin
B.
Celsius
C.
Fahrenheit
D.
Any of these
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ANSWER :
A. Kelvin
15.
Cell potential decreases when
A.
[Product] increases
B.
[Reactant] increases
C.
[Electrode] increases
D.
Temperature decreases
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ANSWER :
A. [Product] increases
16.
Nernst equation is not dependent on
A.
Number of electrons transferred
B.
Standard potential
C.
Temperature
D.
Atomic number of metal
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ANSWER :
D. Atomic number of metal
17.
Which of the following increases EMF of a cell?
A.
Decrease in reactant conc.
B.
Decrease in product conc.
C.
Increase in product conc.
D.
No change in conc.
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ANSWER :
B. Decrease in product conc.
18.
When the concentrations of all species are unity, the cell potential is equal to
A.
0
B.
Ecell
C.
E°cell
D.
∞
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ANSWER :
C. E°cell