Question 1

Which of the following reaction coordinate diagrams (a, b, c, or d) represents a reaction that is both thermodynamically and kinetically stable? Use the provided image for reference.

Accepted Answer

Diagram a

Question 2

In the context of the provided reaction coordinate diagrams, which diagram represents a reaction that is thermodynamically stable but kinetically unstable?

Accepted Answer

Diagram d

Question 3

Based on the reaction coordinate diagrams, which diagram shows a reaction that is both thermodynamically and kinetically unstable?

Accepted Answer

Diagram b

Question 4

Which diagram best represents a reaction that is spontaneous and can occur at low temperatures? Use the image for reference.

Accepted Answer

Diagram a

Question 5

If a reaction has a large $$\Delta G$$^{\ddagger}$$ and a positive $$\Delta G^\circ$$, which diagram from the image best represents this scenario?

Accepted Answer

Diagram b

Question 6

Which of the following statements about the diagrams is correct?

Accepted Answer

Diagram c represents a reaction with a low activation energy and a negative $$\Delta G^\circ.$$

Question 7

Which diagram would most likely represent a reaction that requires a catalyst to proceed at a reasonable rate at room temperature?

Accepted Answer

Diagram d

Question 8

If a reaction is described as 'not spontaneous,' which diagram from the image best fits this description?

Accepted Answer

Diagram b

Question 9

Which diagram shows a reaction that is likely to be reversible under standard conditions?

Accepted Answer

Diagram c

Question 10

For a reaction to be both fast and spontaneous, which combination of $$\Delta G$$^{\ddagger}$$ and $$\Delta G^\circ$$ is required, and which diagram best represents this?

Accepted Answer

$$\Delta G$$^{\ddagger}$$ is small and $$\Delta G^\circ$$ is negative; Diagram a

Analyzing Reaction Stability and Spontaneity Using Energy Diagrams

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