
Catalysts and Reaction Mechanisms
Interactive Video
•
Chemistry, Science, Biology
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common question students ask about reaction mechanisms?
How to balance chemical equations
How to identify catalysts and intermediates
How to determine molecular weight
How to measure reaction rates
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characterizes an intermediate in a reaction mechanism?
It is a reactant that remains unchanged
It is formed and consumed during the reaction
It is a stable product
It speeds up the reaction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to an intermediate during a reaction?
It is formed and then remains unchanged
It is formed and then consumed
It speeds up the reaction
It decreases the activation energy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are reaction mechanisms considered theoretical?
They are directly observable
They are based on experimental data
They are purely hypothetical and based on intuition
They are always proven with evidence
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the slow step in a reaction mechanism?
It is the last step
It determines the overall reaction rate
It is the fastest step
It is the step where products are formed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of chemists' intuition in reaction mechanisms?
To provide experimental evidence
To hypothesize the steps of a reaction
To measure reaction rates
To balance chemical equations
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of a catalyst in a chemical reaction?
To remain unchanged
To form new products
To increase the temperature
To decrease the activation energy
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