Chemical Kinetics
Quiz
•
Science
•
12th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What will be the fraction of molecules having energy equal to or greater than activation energy, Ea?
K
A
Ae-Ea/Rt
e-Ea/Rt
Tags
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which among the following is a false statement?
Rate of zero order reaction is independent of initial concentration of reactant.
Half life of a third order reaction is inversely proportional to square of initial concentration of the reactant.
Molecularity of a reaction may be zero or fraction.
For a first order reaction, t1/2=0.693K
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements about the catalyst is true?
A catalyst accelerates the rate of reaction by bringing down the activation energy.
A catalyst does not participate in reaction mechanism.
A catalyst makes the reaction feasible by making ∆G more negative.
A catalyst makes equilibrium constant more favorable for forward reaction.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The half life of the first order reaction having rate constant K = 1.7 x 10-5s-1 is
12.1 h
9.7 h
11.3 h
1.8 h
Tags
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the results of Experiment 1, for any given catalyst, as the temperature was increased, the number of cycles needed to complete the reaction:
increased only.
decreased only.
increased, then decreased.
decreased, then increased.
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The rate law of any chemical reaction
must be determined experimentally
can be deduced based on the stoichiometry of the reaction
changes based on the condition of the experiment
I don't know
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A possible rate law for a third overall order of a reaction is __________________
Rate = k [A]2[B]2
Rate = k [A][B]3
Rate = k [A]3 [B]
Rate = k [A]2[B]
Tags
NGSS.HS-PS1-5
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