Are the substitutes in the molecule cis or trans? "CH3

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Are the substitutes in the molecule cis or trans?**

In the diagram provided, we observe a cyclohexane molecule with two methyl (CH₃) groups as substituents. The question asks whether these substituents are in the cis or trans configuration.

**Diagram Explanation**:
- The diagram features a hexagonal structure representing a cyclohexane ring.
- Two methyl groups are attached to the cyclohexane ring. These are shown as:
  - One methyl group (H₃C) is bonded to a carbon atom, displayed by a dashed line.
  - Another methyl group (CH₃) is bonded to another carbon atom in the ring, also displayed by a dashed line.

**Concept**:
- *Cis Configuration*: Both substituents (methyl groups in this case) are on the same side of the ring. This is often represented with both groups either protruding forward (wedge) or both receding backward (dashed line).
- *Trans Configuration*: The substituents are on opposite sides of the ring. One group might be protruding forward (wedge) while the other recedes backward (dashed line).

**Analysis**:
- In the given cyclohexane molecule, both methyl groups are attached via dashed lines, indicating that they are on the same side of the cyclohexane ring.
- This arrangement of the substituents being on the same side qualifies them as being in the *cis configuration*.

Therefore, the substituents in the molecule are in the *cis* configuration.
Transcribed Image Text:**Are the substitutes in the molecule cis or trans?** In the diagram provided, we observe a cyclohexane molecule with two methyl (CH₃) groups as substituents. The question asks whether these substituents are in the cis or trans configuration. **Diagram Explanation**: - The diagram features a hexagonal structure representing a cyclohexane ring. - Two methyl groups are attached to the cyclohexane ring. These are shown as: - One methyl group (H₃C) is bonded to a carbon atom, displayed by a dashed line. - Another methyl group (CH₃) is bonded to another carbon atom in the ring, also displayed by a dashed line. **Concept**: - *Cis Configuration*: Both substituents (methyl groups in this case) are on the same side of the ring. This is often represented with both groups either protruding forward (wedge) or both receding backward (dashed line). - *Trans Configuration*: The substituents are on opposite sides of the ring. One group might be protruding forward (wedge) while the other recedes backward (dashed line). **Analysis**: - In the given cyclohexane molecule, both methyl groups are attached via dashed lines, indicating that they are on the same side of the cyclohexane ring. - This arrangement of the substituents being on the same side qualifies them as being in the *cis configuration*. Therefore, the substituents in the molecule are in the *cis* configuration.
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