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# Molecular Collisions

APCHEM-NGGRKA

A certain reaction is described as:

$$A + B\rightarrow C$$

Just because a molecule of A collides with a molecule of B, this does not necessarily result in the formation of a molecule of C.

Which of the following BEST describes the factor or factors that help to determine whether or not a molecular collision between A and B will result in the formation of the product, C?

A

Molecules of A and B must have the proper orientation when they collide with each other.

B

Molecules of A and B must have enough energy to overcome the activation energy barrier.

C

Molecules of A and B must have enough energy to overcome the activation energy barrier, and they must have the proper spatial orientation.

D

For there to be a successful collision, molecules of A and B must be in the gas phase when they collide with each other.