Rate Law NEET Questions

Physical Chemistry - Chemical Kinetics

Rate Law MCQ Questions


7.
Which statement is correct?
A.
Rate law includes only products
B.
Rate law is independent of reactants
C.
Rate law includes only reactants
D.
Rate law includes intermediates
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ANSWER :
C. Rate law includes only reactants
8.
In rate = k[A]^m[B]^n, the values of m and n are
A.
determined by stoichiometry
B.
calculated from product formed
C.
determined experimentally
D.
based on order of reaction
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ANSWER :
C. determined experimentally
9.
Which is true about rate constant (k)?
A.
It depends on concentration
B.
It changes with time
C.
It is independent of temperature
D.
It depends on temperature
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ANSWER :
D. It depends on temperature
10.
If rate = k[A]^2[B], the reaction is
A.
first order
B.
second order
C.
third order
D.
zero order
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ANSWER :
C. third order
11.
A rate law expresses
A.
rate as a function of product
B.
rate as a function of reactant
C.
rate as a function of time
D.
rate as a function of energy
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ANSWER :
B. rate as a function of reactant
12.
In rate = k[A][B], if [A] is doubled and [B] is constant, rate becomes
A.
unchanged
B.
doubled
C.
tripled
D.
quadrupled
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ANSWER :
B. doubled