VI. Give the mechanism, with all elementary steps, to rationalize the reaction given below, using curved arrows to show the flow of electrons. If any lone pairs are involved in a reaction, their involvement must be explicitly shown. The rate- limiting step must be identified. (¹^ HCI CI

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**VI. Reaction Mechanism Guide**

**Objective:** Provide a detailed mechanism for the following reaction, highlighting all elementary steps. Utilize curved arrows to depict the electron flow. Ensure that any lone pairs participating in the reaction are clearly represented. Identify the rate-limiting step.

**Reaction:**

- **Reactants:** An alkene and hydrochloric acid (HCl).
- **Product:** An alkyl chloride.

**Process Overview:**

1. **Initial Interaction:**
   - The alkene acts as a nucleophile due to its electron-rich double bond.
   - HCl dissociates, with the hydrogen (H⁺) acting as an electrophile.

2. **Protonation of the Alkene:**
   - The π-bond electrons of the alkene attack the electrophilic hydrogen (H⁺), resulting in the formation of a carbocation intermediate.

3. **Formation of Alkyl Chloride:**
   - The chloride ion (Cl⁻) generated from HCl attacks the carbocation, completing the alkyl chloride product formation.

**Diagram Details:**

- The image shows an alkene reacting with HCl, leading to the formation of an alkyl chloride. Curved arrows should illustrate electron movements:
  - From the alkene double bond to H⁺.
  - From Cl⁻ to the carbocation.

**Key Consideration:**
- Identify and highlight the rate-limiting step in the reaction, typically the formation or stabilization of the carbocation intermediate.
Transcribed Image Text:**VI. Reaction Mechanism Guide** **Objective:** Provide a detailed mechanism for the following reaction, highlighting all elementary steps. Utilize curved arrows to depict the electron flow. Ensure that any lone pairs participating in the reaction are clearly represented. Identify the rate-limiting step. **Reaction:** - **Reactants:** An alkene and hydrochloric acid (HCl). - **Product:** An alkyl chloride. **Process Overview:** 1. **Initial Interaction:** - The alkene acts as a nucleophile due to its electron-rich double bond. - HCl dissociates, with the hydrogen (H⁺) acting as an electrophile. 2. **Protonation of the Alkene:** - The π-bond electrons of the alkene attack the electrophilic hydrogen (H⁺), resulting in the formation of a carbocation intermediate. 3. **Formation of Alkyl Chloride:** - The chloride ion (Cl⁻) generated from HCl attacks the carbocation, completing the alkyl chloride product formation. **Diagram Details:** - The image shows an alkene reacting with HCl, leading to the formation of an alkyl chloride. Curved arrows should illustrate electron movements: - From the alkene double bond to H⁺. - From Cl⁻ to the carbocation. **Key Consideration:** - Identify and highlight the rate-limiting step in the reaction, typically the formation or stabilization of the carbocation intermediate.
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