A) collision frequency increases by a factor of 2 to 3.
B) fraction of molecules possessing threshold energy increases by a factor of 2 to 3.
C) Activation energy is lowered by a factor of 2 to 3.
D) none of these
Correct Answer: B
Solution :
[b] For a 10 K- rise in temperature, collision frequency increases merely by 1 to 2% but the number of effective collisions increases by 100 to 200%.
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