2. What is the major product of this reaction? OH А. В. C. D. OH conc. H₂SO4 140°С

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Chapter1: Chemical Foundations
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**Question 2:**

**What is the major product of this reaction?**

The reactant is a cyclobutane ring with an attached isopropanol group. The reaction conditions are concentrated sulfuric acid (H₂SO₄) at a temperature of 140°C.

**Options:**

**A.** A cyclopentane ring with an exocyclic OH group attached.

**B.** A cyclobutene ring with an ethyl group attached.

**C.** A cyclopentane ring with a methyl group attached.

**D.** A cyclohexene ring without any substituents.

**Explanation:**

In this reaction, the cyclobutane undergoes dehydration under acidic conditions and heat to form the most stable alkene product. The trends suggest that more substituted alkenes tend to be more stable (Zaitsev's rule). The correct answer among the options should be determined based on these principles.
Transcribed Image Text:**Question 2:** **What is the major product of this reaction?** The reactant is a cyclobutane ring with an attached isopropanol group. The reaction conditions are concentrated sulfuric acid (H₂SO₄) at a temperature of 140°C. **Options:** **A.** A cyclopentane ring with an exocyclic OH group attached. **B.** A cyclobutene ring with an ethyl group attached. **C.** A cyclopentane ring with a methyl group attached. **D.** A cyclohexene ring without any substituents. **Explanation:** In this reaction, the cyclobutane undergoes dehydration under acidic conditions and heat to form the most stable alkene product. The trends suggest that more substituted alkenes tend to be more stable (Zaitsev's rule). The correct answer among the options should be determined based on these principles.
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