
Kinetics 2
Quiz
•
Chemistry
•
11th - 12th Grade
•
Hard
Jaclyn Mailen
Used 1+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Order of a reaction does not give any information about the reaction mechanism.
True
False
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
For the reaction: rate = k[C]2
Determine the time taken for the reaction become 50% from its initial concentration if [D]o is 1.5 M and k is 1.2 x 10-2 M-1min-1.
55.5 min
57.7 min
41.67 min
0.93 min
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A straight line graph obtained when we plot a graph of ln [reactant] vs time. The order of reaction is ________
zeto order
First order
Second order
Third order
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which rate law represent the above rate constant?
k= 2.6 X 10-2 M-2s-1.
rate = k [A][B]
rate = k [A][B]2
rate = k [A]2[B]2
rate = k [A]2[B]o
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In the chemical reaction, the successful formation of products depends on the following factors EXCEPT:
The collisions between reacting molecules must be effective
The colliding molecules must approach each other in the right orientation
The energy of colliding molecules must be equal to or more than activation energy
A collision between molecules must produce sufficient energy to overcome the activation energy
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The catalyst alters the rate of a chemical reaction by,
providing an alternative pathway with a lower Ea
changing the products formed in the direction of the reaction
providing a surface on which the molecules react
increasing the frequencies of collisions between molecules
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the catalyst in the following rate mechanism?
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