Identify possible product(s) of dehydrohalogenation of cis-1-bromo2-methylcyclohexane. кон ELOH Br CH3 H H CH3 only CH3 CH3 CH3 only CH3 CH2

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**Question 5**

**Identify possible product(s) of dehydrohalogenation of cis-1-bromo-2-methylcyclohexane.**

The reaction involves treating a compound with potassium hydroxide (KOH) in ethanol (EtOH), resulting in the elimination of hydrogen bromide (HBr).

Options provided:

1. **Option A:** Cyclohexene with a methyl group (CH₃) on the second carbon - *only*.
   - Structure: Cyclohexene ring with one double bond, and a CH₃ group attached to the cyclohexene ring at the first position.

2. **Option B:** Cyclohexene with a methyl group (CH₃) on the second carbon - *and* a separate compound with a cyclohexane ring and a CH₃ group positioned differently.
   - Structures: Two separate structures depicted with a single + sign indicating both can form together.

3. **Option C:** Cyclohexane with a methyl group (CH₃) on the same side - *only*.
   - Structure: A cyclohexane ring without a double bond and a CH₃ group attached.

4. **Option D:** Cyclohexene with a methyl group (CH₃) on the second carbon - *and* a separate compound with a cyclohexene ring and a CH₂ group.
   - Structures: Two separate structures depicted with a single + sign indicating both can form together.

Each option represents a possible structure resulting from the elimination reaction. The correct answer depends on the mechanism and stereochemistry of the reaction.
Transcribed Image Text:**Question 5** **Identify possible product(s) of dehydrohalogenation of cis-1-bromo-2-methylcyclohexane.** The reaction involves treating a compound with potassium hydroxide (KOH) in ethanol (EtOH), resulting in the elimination of hydrogen bromide (HBr). Options provided: 1. **Option A:** Cyclohexene with a methyl group (CH₃) on the second carbon - *only*. - Structure: Cyclohexene ring with one double bond, and a CH₃ group attached to the cyclohexene ring at the first position. 2. **Option B:** Cyclohexene with a methyl group (CH₃) on the second carbon - *and* a separate compound with a cyclohexane ring and a CH₃ group positioned differently. - Structures: Two separate structures depicted with a single + sign indicating both can form together. 3. **Option C:** Cyclohexane with a methyl group (CH₃) on the same side - *only*. - Structure: A cyclohexane ring without a double bond and a CH₃ group attached. 4. **Option D:** Cyclohexene with a methyl group (CH₃) on the second carbon - *and* a separate compound with a cyclohexene ring and a CH₂ group. - Structures: Two separate structures depicted with a single + sign indicating both can form together. Each option represents a possible structure resulting from the elimination reaction. The correct answer depends on the mechanism and stereochemistry of the reaction.
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