Arrhenius Equation NEET Questions

Physical Chemistry - Chemical Kinetics

Arrhenius Equation MCQ Questions


1.
Arrhenius equation expresses the relation between
A.
Rate constant and temperature
B.
Rate constant and pressure
C.
Concentration and rate constant
D.
Rate and volume
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ANSWER :
A. Rate constant and temperature
2.
The mathematical form of Arrhenius equation is
A.
k = Ae^(-Ea/RT)
B.
k = A + Ea/RT
C.
k = A/RT
D.
k = Ae^(RT/Ea)
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ANSWER :
A. k = Ae^(-Ea/RT)
3.
In Arrhenius equation, ‘A’ represents
A.
Rate of reaction
B.
Activation energy
C.
Frequency factor
D.
Energy barrier
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ANSWER :
C. Frequency factor
4.
In Arrhenius equation, the exponential term represents
A.
Activation frequency
B.
Collision rate
C.
Fraction of molecules with sufficient energy
D.
Reaction enthalpy
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ANSWER :
C. Fraction of molecules with sufficient energy
5.
The rate constant k of a reaction varies with temperature T according to the equation: k = Ae^(-Ea/RT). What does Ea represent?

NEET - 2015

A.
Activation energy
B.
Average energy
C.
Threshold energy
D.
Collision energy
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ANSWER :
A. Activation energy
6.
Which of the following can be determined using the Arrhenius equation?

NEET - 2024

A.
Enthalpy of reaction
B.
Entropy of reaction
C.
Activation energy
D.
Equilibrium constant
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ANSWER :
C. Activation energy