Rate Law NEET Questions

Physical Chemistry - Chemical Kinetics

Rate Law MCQ Questions


13.
The rate law for a reaction is determined using
A.
concentration of products
B.
activation energy
C.
concentration of reactants
D.
experimental measurements
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ANSWER :
D. experimental measurements
14.
A reaction has rate law: rate = k. What is its order?
A.
1
B.
2
C.
0
D.
3
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ANSWER :
C. 0
15.
Which is true for rate constant k?
A.
Depends on concentration of reactants
B.
Remains constant at constant temperature
C.
Changes with pressure
D.
Equal to rate always
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ANSWER :
B. Remains constant at constant temperature
16.
Rate law gives information about
A.
overall reaction only
B.
slowest step of reaction
C.
intermediate species only
D.
stability of reactants
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ANSWER :
B. slowest step of reaction
17.
In a reaction: A + B → C, rate law is rate = k[A]^2. What is order in B?
A.
0
B.
1
C.
2
D.
Cannot be determined
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ANSWER :
A. 0
18.
Which factor does not affect rate constant k?
A.
Temperature
B.
Nature of reactants
C.
Concentration of reactants
D.
Activation energy
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ANSWER :
C. Concentration of reactants