Nernst Equation and its Applications NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Nernst Equation and its Applications MCQ Questions


1.
Nernst equation is used to calculate
A.
Cell constant
B.
EMF of a cell
C.
Electrode size
D.
Resistance
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ANSWER :
B. EMF of a cell
2.
Nernst equation includes which constant?
A.
Planck’s constant
B.
Universal gas constant
C.
Faraday constant
D.
Avogadro number
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ANSWER :
B. Universal gas constant
3.
EMF of a cell at non-standard conditions is calculated using
A.
Faraday’s laws
B.
Nernst equation
C.
Ohm’s law
D.
Kohlrausch law
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ANSWER :
B. Nernst equation
4.
Which term is used in the Nernst equation for concentration dependence?
A.
ΔG
B.
Reaction quotient Q
C.
Standard potential E°
D.
ΔH
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ANSWER :
B. Reaction quotient Q
5.
For the reaction Zn + Cu²⁺ → Zn²⁺ + Cu, the Nernst equation includes which concentration?
A.
[Zn] and [Cu]
B.
[Zn²⁺] and [Cu²⁺]
C.
Only [Zn²⁺]
D.
Only [Cu²⁺]
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ANSWER :
B. [Zn²⁺] and [Cu²⁺]
6.
EMF of a cell decreases with
A.
Increase in temperature
B.
Increase in reactant concentration
C.
Decrease in product concentration
D.
Decrease in reactant concentration
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ANSWER :
D. Decrease in reactant concentration