Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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propose a mechanism--not the name of the mechanism, but showing electron movement-for following reaction. Your mechanism must account for both products and show intermediates

### Organic Chemistry Reaction: Dehydrohalogenation of Alkyl Halides

**Reaction Overview:**

This reaction depicts the dehydrohalogenation of an alkyl halide using sodium hydroxide (NaOH) in the presence of water (H₂O) and heat (indicated by the delta symbol, Δ). The alkyl halide shown is a bromide, which undergoes elimination to form alkenes.

**Chemical Equation:**

- **Reactant:**
  - **2-Bromo-2-methylpropane** (C₄H₉Br)
  
- **Reaction Conditions:**
  - **Reagents:**
    - Sodium Hydroxide (NaOH)
    - Water (H₂O)
  - **Conditions:**
    - Heated (Δ)

- **Products:**
  - **Alkenes:**
    - 2-Methylpropene
    - 1-Butene

**Mechanism:**

The reaction involves the removal of a hydrogen atom and a bromine atom from the adjacent carbon atoms (dehydrohalogenation), resulting in the formation of a double bond and the production of alkenes.

**Outcome:**

Two alkenes are formed as products due to the possible formation of more than one alkene during the elimination reaction. The major product in many cases is the more substituted alkene (the Zaitsev product), but other factors such as sterics and reaction conditions can influence the distribution of products.
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Transcribed Image Text:### Organic Chemistry Reaction: Dehydrohalogenation of Alkyl Halides **Reaction Overview:** This reaction depicts the dehydrohalogenation of an alkyl halide using sodium hydroxide (NaOH) in the presence of water (H₂O) and heat (indicated by the delta symbol, Δ). The alkyl halide shown is a bromide, which undergoes elimination to form alkenes. **Chemical Equation:** - **Reactant:** - **2-Bromo-2-methylpropane** (C₄H₉Br) - **Reaction Conditions:** - **Reagents:** - Sodium Hydroxide (NaOH) - Water (H₂O) - **Conditions:** - Heated (Δ) - **Products:** - **Alkenes:** - 2-Methylpropene - 1-Butene **Mechanism:** The reaction involves the removal of a hydrogen atom and a bromine atom from the adjacent carbon atoms (dehydrohalogenation), resulting in the formation of a double bond and the production of alkenes. **Outcome:** Two alkenes are formed as products due to the possible formation of more than one alkene during the elimination reaction. The major product in many cases is the more substituted alkene (the Zaitsev product), but other factors such as sterics and reaction conditions can influence the distribution of products.
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