Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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**Question:** What is the activation energy for the reaction B → A in the following diagram?

**Diagram Explanation:**

The diagram is a potential energy graph depicting the energy changes during a chemical reaction. It includes:

- **Y-Axis:** Labeled as Energy.
- **X-Axis:** Labeled as Reaction Coordinate.
- A curve representing the energy changes of the reaction is drawn along the graph.
- Various points labeled A, B, C, D, and E are marked along the energy curve.
- The initial energy level (labeled A) represents the potential energy of reactant B.
- The peak of the curve (labeled D) represents the transition state or the highest energy point of the reaction.
- Points marked on the vertical axis show different energy levels associated with different stages of the reaction.

**Options:**
- ○ B
- ○ D
- ○ E
- ○ C
- ○ A

**Note:**

The activation energy is the energy difference between the reactants and the transition state, typically represented by the difference between A (or a similar point at the reactant level) and the peak, D.
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Transcribed Image Text:**Question:** What is the activation energy for the reaction B → A in the following diagram? **Diagram Explanation:** The diagram is a potential energy graph depicting the energy changes during a chemical reaction. It includes: - **Y-Axis:** Labeled as Energy. - **X-Axis:** Labeled as Reaction Coordinate. - A curve representing the energy changes of the reaction is drawn along the graph. - Various points labeled A, B, C, D, and E are marked along the energy curve. - The initial energy level (labeled A) represents the potential energy of reactant B. - The peak of the curve (labeled D) represents the transition state or the highest energy point of the reaction. - Points marked on the vertical axis show different energy levels associated with different stages of the reaction. **Options:** - ○ B - ○ D - ○ E - ○ C - ○ A **Note:** The activation energy is the energy difference between the reactants and the transition state, typically represented by the difference between A (or a similar point at the reactant level) and the peak, D.
Expert Solution
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Step 1

Activation energy is minimum energy required to take part in the chemical reaction.

Reverse reactiion for B to A C is energy of product and E is activation energy 

Correct option is C

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