Reaction Energy Profile Practice Test

Two different single-step reactions, Reaction 1 and Reaction 2, are carried out at the same temperature. Their reaction energy profile diagrams are shown below on the same axes.

Which reaction is expected to have the faster rate at that temperature?

Two single-step reactions, I and II, are carried out at the same temperature. Their reaction energy profiles are shown.

Potential energy

|

| ‡ (I)

| / \

| Reactants / ___ Products (I)

|

| ‡ (II)

| / \

| Reactants__/ ________ Products (II)

|

+--------------------------------------> Reaction coordinate

Based on the diagrams, which statement best compares the initial reaction rates of I and II?