Label the following as cis or trans or neither. H H H L Br Br Br CH₂ H CH₂CH₂ -H H Br

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter8: Addition Via Carbocation
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**Exercise: Identifying Stereochemistry in Cyclohexane Derivatives**

**Instructions:** Label the following cyclohexane derivatives as "cis", "trans", or "neither".

Below are five structures of cyclohexane derivatives, each with different substituents. Your task is to determine the stereochemistry of each molecule.

**Structures Provided:**

1. A cyclohexane ring with two bromine (Br) atoms:
    - One bromine atom is positioned above the ring (axial position).
    - The other bromine atom is positioned below the ring (equatorial position).

2. A cyclohexane ring with a methyl (CH₃) group and a bromine (Br) atom:
    - The methyl group is positioned above the ring (axial position).
    - The bromine atom is positioned below the ring (equatorial position).

3. A cyclohexane ring with a fluorine (F) atom and a hydrogen (H) atom:
    - The fluorine atom is positioned above the ring (equatorial position).
    - The hydrogen atom is positioned below the ring (axial position).

4. A cyclohexane ring with a chlorine (Cl) atom and an ethyl (CH₂CH₃) group:
    - The chlorine atom is positioned above the ring (axial position).
    - The ethyl group is positioned below the ring (equatorial position).

5. A cyclohexane ring with a chlorine (Cl) atom and a bromine (Br) atom:
    - Both the chlorine and bromine atoms are positioned above the ring (either both axial or both equatorial).

**Answer Choices:**
- __________
- __________
- __________
- __________
- __________

Please analyze the positions of the substituents relative to each other and determine if they are on the same side (cis), on the opposite side (trans), or if the configuration does not fit either category (neither). Fill in the blanks with your answers: "cis", "trans", or "neither".
Transcribed Image Text:**Exercise: Identifying Stereochemistry in Cyclohexane Derivatives** **Instructions:** Label the following cyclohexane derivatives as "cis", "trans", or "neither". Below are five structures of cyclohexane derivatives, each with different substituents. Your task is to determine the stereochemistry of each molecule. **Structures Provided:** 1. A cyclohexane ring with two bromine (Br) atoms: - One bromine atom is positioned above the ring (axial position). - The other bromine atom is positioned below the ring (equatorial position). 2. A cyclohexane ring with a methyl (CH₃) group and a bromine (Br) atom: - The methyl group is positioned above the ring (axial position). - The bromine atom is positioned below the ring (equatorial position). 3. A cyclohexane ring with a fluorine (F) atom and a hydrogen (H) atom: - The fluorine atom is positioned above the ring (equatorial position). - The hydrogen atom is positioned below the ring (axial position). 4. A cyclohexane ring with a chlorine (Cl) atom and an ethyl (CH₂CH₃) group: - The chlorine atom is positioned above the ring (axial position). - The ethyl group is positioned below the ring (equatorial position). 5. A cyclohexane ring with a chlorine (Cl) atom and a bromine (Br) atom: - Both the chlorine and bromine atoms are positioned above the ring (either both axial or both equatorial). **Answer Choices:** - __________ - __________ - __________ - __________ - __________ Please analyze the positions of the substituents relative to each other and determine if they are on the same side (cis), on the opposite side (trans), or if the configuration does not fit either category (neither). Fill in the blanks with your answers: "cis", "trans", or "neither".
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