Q6. Give the mechanism of the following reaction R₂C=CR₂ Alkene H₂O R₂C-CR₂ HO X Vicinal halohydrin HO R₂C CR₂ Epoxide

Chemistry
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Question 6: Give the mechanism of the following reaction.**

The image presents a chemical reaction mechanism involving the conversion of an alkene to an epoxide. The reaction proceeds as follows:

1. **Alkene:** \( R_2C\text{=}CR_2 \)
   - This is the starting alkene.

2. **Intermediate Formation - Vicinal Halohydrin:**
   - Reactants: \( X_2, \ H_2O \) 
   - Produces: \( R_2C \text{-} CR_2 \) with \( \text{HO} \) and \( \text{X} \) groups
   - This product is known as a vicinal halohydrin.

3. **Epoxide Formation:**
   - Reactant: \( \text{HO}^- \)
   - Produces: \( R_2C \) with an epoxide ring (3-membered cyclic ether) formed by connecting two carbon atoms with an oxygen atom.

**Note:** An arrow indicates the process from alkene to vicinal halohydrin, and another from the vicinal halohydrin to the epoxide, showing the progression of the chemical reaction.

**Additional Reference:**
- See slide 13 on ether and epoxide for more detailed information on the mechanism.

*Text Note: 'reaction' and 'epoxide' are hyperlinked, indicating additional resources or slides may provide further explanation.*
Transcribed Image Text:**Question 6: Give the mechanism of the following reaction.** The image presents a chemical reaction mechanism involving the conversion of an alkene to an epoxide. The reaction proceeds as follows: 1. **Alkene:** \( R_2C\text{=}CR_2 \) - This is the starting alkene. 2. **Intermediate Formation - Vicinal Halohydrin:** - Reactants: \( X_2, \ H_2O \) - Produces: \( R_2C \text{-} CR_2 \) with \( \text{HO} \) and \( \text{X} \) groups - This product is known as a vicinal halohydrin. 3. **Epoxide Formation:** - Reactant: \( \text{HO}^- \) - Produces: \( R_2C \) with an epoxide ring (3-membered cyclic ether) formed by connecting two carbon atoms with an oxygen atom. **Note:** An arrow indicates the process from alkene to vicinal halohydrin, and another from the vicinal halohydrin to the epoxide, showing the progression of the chemical reaction. **Additional Reference:** - See slide 13 on ether and epoxide for more detailed information on the mechanism. *Text Note: 'reaction' and 'epoxide' are hyperlinked, indicating additional resources or slides may provide further explanation.*
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Step 1: Formation of halonium ring

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