Question 10 Structure A Br ...C H3C\ H CH₂CH3 Structure B CH 3 Bric H CH₂CH3 Determine the relationship between the structures above. Are they the same molecule, constitutional isomers, or stereoisomers? If A and B are stereoisomers, futher classify them as diastereomers or enantiomers. A and B are the same molecule A and B are constitutional isomers A and B are stereoisomers and diastereomers A and B are stereoisomers and enantiomers

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### Question 10

#### Structure A

![Structure A image description](possibly_br_structure_A.png)

#### Structure B

![Structure B image description](possibly_br_structure_B.png)

Determine the relationship between the structures above. Are they the same molecule, constitutional isomers, or stereoisomers? If A and B are stereoisomers, further classify them as diastereomers or enantiomers.

**Options:**

- A and B are the same molecule.
- A and B are constitutional isomers.
- A and B are stereoisomers and diastereomers.
- A and B are stereoisomers and enantiomers.

---

### Explanation of Graphs and Diagrams:

#### Structure A:

- Contains a carbon (C) center with four substituents:
  - A bromine (Br) atom.
  - A hydrogen (H) atom.
  - A methyl group (CH₃).
  - An ethyl group (CH₂CH₃).

The 3D orientation of these groups around the carbon center appears to show the bromine and hydrogen atoms in bold and dashed wedges respectively, indicating different spatial positioning.

#### Structure B:

- Contains a similar carbon (C) center with four substituents:
  - A bromine (Br) atom.
  - A hydrogen (H) atom.
  - A methyl group (CH₃).
  - An ethyl group (CH₂CH₃).

In Structure B, the spatial orientation of the substituents around the carbon center is different from that in Structure A. This is indicated by the positions of the bold and dashed wedges representing the bromine and hydrogen atoms.

---

Compare the two structures to determine their relationship based on molecule type (same molecule), isomer type (constitutional isomers), and stereoisomer type (diastereomers or enantiomers). Make your selection from the provided options.
Transcribed Image Text:### Question 10 #### Structure A ![Structure A image description](possibly_br_structure_A.png) #### Structure B ![Structure B image description](possibly_br_structure_B.png) Determine the relationship between the structures above. Are they the same molecule, constitutional isomers, or stereoisomers? If A and B are stereoisomers, further classify them as diastereomers or enantiomers. **Options:** - A and B are the same molecule. - A and B are constitutional isomers. - A and B are stereoisomers and diastereomers. - A and B are stereoisomers and enantiomers. --- ### Explanation of Graphs and Diagrams: #### Structure A: - Contains a carbon (C) center with four substituents: - A bromine (Br) atom. - A hydrogen (H) atom. - A methyl group (CH₃). - An ethyl group (CH₂CH₃). The 3D orientation of these groups around the carbon center appears to show the bromine and hydrogen atoms in bold and dashed wedges respectively, indicating different spatial positioning. #### Structure B: - Contains a similar carbon (C) center with four substituents: - A bromine (Br) atom. - A hydrogen (H) atom. - A methyl group (CH₃). - An ethyl group (CH₂CH₃). In Structure B, the spatial orientation of the substituents around the carbon center is different from that in Structure A. This is indicated by the positions of the bold and dashed wedges representing the bromine and hydrogen atoms. --- Compare the two structures to determine their relationship based on molecule type (same molecule), isomer type (constitutional isomers), and stereoisomer type (diastereomers or enantiomers). Make your selection from the provided options.
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