Using the following diagram, determine which of the statements below is true:

This question is making an appeal to your logic.

Definitions

The hump between A + B and C + D is the activation energy.

The forward activation energy is going from a low of 40 up to a high of 100.

The backward activation energy is going from a low of 20 and a high of 100.

Answer A

Look at the curve. which is higher, 40 or 20? You pick the one that is higher? A must be true.

Answer B

If A is true, B cannot be.

Answer C

C can't be true. Again the diagram holds the answer. The hump starts higher on the side of A+B. It takes less energy to get over the hump on the A+B side than the C + D side.

Answer D

The activation energies are not the same.