WorksheetsKinetics and Collision Theory
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
If the reactant particles collide with less than the activation energy, the particles will be rebound, and no reaction will occur.
a)
True
b)
False
2.
With the increase in temperature, the average kinetic energy of the molecules increases, leading to a decrease in number of collisions per unit time.
a)
True
b)
False
3.
In a chemical reaction, collisions between the molecules provide the potential energy needed to break the bond.
a)
True
b)
False
4.
The collision theory qualitatively explains how chemical reactions occur and why reaction rates differ for different reactions
a)
True
b)
False
5.
The collisions which bring about a chemical reaction are called:
a)
Consistent collisions
b)
Normal collisions
c)
Effective collisions
d)
None of the above
6.
More collisions correspond to a:
a)
Faster reaction rate
b)
Slower reaction rate
c)
Constant reaction rate
d)
None of the above
7.
Which of the following is/are the fundamental idea(s) of collision theory?
a)
Molecules react by colliding together
b)
The effective collisions must occur with certain minimum amounts of energy
c)
In a large sample, the greater the number of effective collisions, and the faster the rate of reaction
d)
All of the above
8.
What two factors govern whether a collision between reacting particles will be effective?
a)
orientation and potential energy
b)
kinetic energy and temperature
c)
kinetic energy and orientation
d)
potential energy and kinetic energy
9.
Collisions may take place between:
a)
Atoms
b)
Ions
c)
Molecules
d)
All of the above
10.
Under the collision theory, the particles must collide ____ and ____ for a reaction to occur.
a)
sufficient rate and sufficient energy
b)
sufficient surface area and correct orientation
c)
sufficient catalyst and sufficient energy
d)
sufficent energy and correct orientation
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