O A Oc в A OD Which of the following compounds is a meso compound? H H COOH CH₂ OH OH B HI HO COOH CH₂ OH H С. COOH н-с НО OH H D. НО но- COOH н -H COOH

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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Which of the following compounds is a meso compound?**

The image presents four different chemical compounds labeled A, B, C, and D. Each compound's structure is diagrammed with specific attention to the arrangement of atoms and functional groups. Below the structures, there are multiple-choice options (A, B, C, and D) for selecting the correct answer.

### Compound Structures:

- **A:**
  ```
  COOH
    |
  H-C-OH
    |
  H-C-OH
    |
   CH3
  ```
- **B:**
  ```
  COOH
    |
  H-C-OH
    |
  HO-C-H
    |
   CH3
  ```

- **C:**
  ```
  COOH
    |
  H-C-OH
    |
  HO-C-H
    |
    F
  ```

- **D:**
  ```
  COOH
    |
  HO-C-H
    |
  HO-C-H
    |
  COOH
  ```

### Multiple-Choice Options:

- ⭘ A
- ⭘ C
- ⭘ B
- ⭘ D

### Explanation of the Graphical Structures:

Each compound structure is presented with the functional groups and atoms connected in a specific manner. This particular problem is likely asking to identify which of the given structures is a meso compound. A meso compound possesses multiple stereocenters but also has an internal plane of symmetry, making it achiral overall despite containing chiral centers.

- **For A:** There appears to be no symmetry due to the difference in groups attached to the stereocenters.
- **For B:** The compound has asymmetric connections with different groups attached.
- **For C:** Similar to structure B, asymmetry is present due to the presence of different groups.
- **For D:** This structure shows symmetry, with matching groups on both sides of the compound.

Thus, **Option D** is the meso compound as it has an internal plane of symmetry.
Transcribed Image Text:**Which of the following compounds is a meso compound?** The image presents four different chemical compounds labeled A, B, C, and D. Each compound's structure is diagrammed with specific attention to the arrangement of atoms and functional groups. Below the structures, there are multiple-choice options (A, B, C, and D) for selecting the correct answer. ### Compound Structures: - **A:** ``` COOH | H-C-OH | H-C-OH | CH3 ``` - **B:** ``` COOH | H-C-OH | HO-C-H | CH3 ``` - **C:** ``` COOH | H-C-OH | HO-C-H | F ``` - **D:** ``` COOH | HO-C-H | HO-C-H | COOH ``` ### Multiple-Choice Options: - ⭘ A - ⭘ C - ⭘ B - ⭘ D ### Explanation of the Graphical Structures: Each compound structure is presented with the functional groups and atoms connected in a specific manner. This particular problem is likely asking to identify which of the given structures is a meso compound. A meso compound possesses multiple stereocenters but also has an internal plane of symmetry, making it achiral overall despite containing chiral centers. - **For A:** There appears to be no symmetry due to the difference in groups attached to the stereocenters. - **For B:** The compound has asymmetric connections with different groups attached. - **For C:** Similar to structure B, asymmetry is present due to the presence of different groups. - **For D:** This structure shows symmetry, with matching groups on both sides of the compound. Thus, **Option D** is the meso compound as it has an internal plane of symmetry.
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