Rate Law NEET Questions

Physical Chemistry - Chemical Kinetics

Rate Law MCQ Questions


1.
Rate law expresses relation between
A.
rate and product concentration
B.
rate and pressure
C.
rate and temperature
D.
rate and reactant concentration
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ANSWER :
D. rate and reactant concentration
2.
Which of the following is determined experimentally?
A.
Stoichiometry
B.
Molecularity
C.
Rate law
D.
Order of reaction
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ANSWER :
C. Rate law
3.
For a reaction A + B → C, rate = k[A][B]^2. The order is
A.
1
B.
2
C.
3
D.
4
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ANSWER :
C. 3
4.
Rate law is applicable to
A.
overall balanced equation
B.
elementary reactions only
C.
experimental data only
D.
any theoretical mechanism
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ANSWER :
C. experimental data only
5.
Rate = k[A]^0[B]^1. What is the effect of increasing [A]?
A.
Rate doubles
B.
Rate triples
C.
Rate is unchanged
D.
Rate becomes half
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ANSWER :
C. Rate is unchanged
6.
Rate law can be determined by
A.
stoichiometric coefficients
B.
experimental method
C.
temperature alone
D.
enthalpy of reaction
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ANSWER :
B. experimental method