Question
Question: In the presence of a catalyst the heat evolved or absorbed during the reaction \_\_\_\_\_\_\_\_\_\_....
In the presence of a catalyst the heat evolved or absorbed during the reaction __________.
A
Increase
B
Decreases
C
Remains unchanged
D
May increase or decrease
Answer
May increase or decrease
Explanation
Solution
Activation energy is the difference in energy of
intermediate activated complex and the average energy of reactants.