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Effective and Ineffective Collisions

APCHEM-EAAN4G

An experiment is run where the collisions of two reactants are studied. In the first trial of the experiment, nothing happened. In the second trial, a reaction occurred.

Which of the following statements could NOT explain why this occurred?

A

The temperature was raised from Trial 1 to Trial 2.

B

A catalyst was used in Trial 2 that was not used in Trial 1.

C

The molecules collided with the correct orientation in Trial 2, but they did not do so in Trial 1.

D

The second trial was started with some products present.