1. Proton transfer involving HBr HO 2. SN2 involving Br ?

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability
Section20.7: Green Chemistry And Sustainability
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**Instructions for Reaction Mechanism:**

**Objective:**
Draw the curved arrow notation and products for each elementary step described by the sequence shown.

**Steps:**

1. **Proton Transfer Involving HBr**
2. **S<sub>N</sub>2 Reaction Involving Br⁻**

- **Initial Reactant:** Primary alcohol (structural formula shown with OH group).
- **Process:** 
  - The first step involves a proton transfer with HBr.
  - The second step is an S<sub>N</sub>2 reaction involving the bromide ion (Br⁻).

**Note:** The products of the first step should serve as the reactants for the second step. Click on each box for step-specific instructions.

---

**Diagram Explanation:**
- **Left to Right Progression:** Begins with a primary alcohol. The long arrow indicates progression through the two-step reaction sequence leading to an unspecified product, marked with a question mark (?).
- **Reaction Flow:** 
  - **First Step:** Proton transfer.
  - **Second Step:** Nucleophilic substitution.
Transcribed Image Text:**Instructions for Reaction Mechanism:** **Objective:** Draw the curved arrow notation and products for each elementary step described by the sequence shown. **Steps:** 1. **Proton Transfer Involving HBr** 2. **S<sub>N</sub>2 Reaction Involving Br⁻** - **Initial Reactant:** Primary alcohol (structural formula shown with OH group). - **Process:** - The first step involves a proton transfer with HBr. - The second step is an S<sub>N</sub>2 reaction involving the bromide ion (Br⁻). **Note:** The products of the first step should serve as the reactants for the second step. Click on each box for step-specific instructions. --- **Diagram Explanation:** - **Left to Right Progression:** Begins with a primary alcohol. The long arrow indicates progression through the two-step reaction sequence leading to an unspecified product, marked with a question mark (?). - **Reaction Flow:** - **First Step:** Proton transfer. - **Second Step:** Nucleophilic substitution.
## Reaction Mechanism Diagram

### Instruction:
Each box should contain two structures; be sure to include all lone pair electrons and nonzero formal charges.

### Diagram Overview:
- **Step 1:** The first box depicts a chemical reaction where a hydrogen atom bonded to a bromine atom with a negative charge (Br⁻) interacts with an organic molecule.

- **Mechanism Details:**
  - *Arrow Notation:* Indicates electron pair movement from bromine to form a bond with a hydrogen atom, suggesting nucleophilic attack.
  - The bromine atom has lone pair electrons highlighted, showcasing its nucleophilic nature.

- **Step 2:** Transition to the second reaction step is shown.

- **Step 2 Details:**
  - Resulting organic structure includes a long carbon chain and a separate molecule with a hydrogen atom.
  - This suggests the completion of a reaction where the bromine ion leaves, forming a new product.

### Additional Tools:
- **Periodic Table:** Accessible for reference on elements involved in the reaction.
- **Hints:** Available to provide further clarification on the steps.

This educational diagram illustrates key steps in the mechanism of an organic reaction, emphasizing electron pair movements and intermediate formations.
Transcribed Image Text:## Reaction Mechanism Diagram ### Instruction: Each box should contain two structures; be sure to include all lone pair electrons and nonzero formal charges. ### Diagram Overview: - **Step 1:** The first box depicts a chemical reaction where a hydrogen atom bonded to a bromine atom with a negative charge (Br⁻) interacts with an organic molecule. - **Mechanism Details:** - *Arrow Notation:* Indicates electron pair movement from bromine to form a bond with a hydrogen atom, suggesting nucleophilic attack. - The bromine atom has lone pair electrons highlighted, showcasing its nucleophilic nature. - **Step 2:** Transition to the second reaction step is shown. - **Step 2 Details:** - Resulting organic structure includes a long carbon chain and a separate molecule with a hydrogen atom. - This suggests the completion of a reaction where the bromine ion leaves, forming a new product. ### Additional Tools: - **Periodic Table:** Accessible for reference on elements involved in the reaction. - **Hints:** Available to provide further clarification on the steps. This educational diagram illustrates key steps in the mechanism of an organic reaction, emphasizing electron pair movements and intermediate formations.
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