4) The enantiomer of L-tartaric acid is D-tartaric acid. Draw the structure of D-tartaric acid, and label each chiral carbon as R or S.

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### Transcription for Educational Use

#### Questions

3) Why does the (R,R)-1,2-diaminocyclohexane form a solid complex with L-tartaric acid while the (S,S)-1,2-diaminocyclohexane does not? (*Hint: redraw the reaction scheme from the bottom of page 1 of this lab and use this in your explanation*).

4) The enantiomer of L-tartaric acid is D-tartaric acid. Draw the structure of D-tartaric acid, and label each chiral carbon as R or S.

5) Which enantiomer of *trans*-1,2-diaminocyclohexane would you expect that the D-tartaric acid would form a solid complex with? Explain.

#### Diagram Explanation

The diagram depicts a chemical reaction involving (R,R)-1,2-diaminocyclohexane and tartaric acid. The structures in the diagram are as follows:

- **Left Side**: 
  - Shows (R,R)-1,2-diaminocyclohexane with two amine groups (NH₂) on a cyclohexane ring.
  - Tartaric acid structure with two hydroxyl groups (OH) and two carboxylic acid groups (COOH).

- **Reaction Arrow**: 
  - Indicates the formation of products on the right side.

- **Right Side**:
  - Two complex structures are formed, each with tartaric acid coordinating with the 1,2-diaminocyclohexane.
  - The product labeled (s) and (aq) suggests a solid complex and an aqueous solution form, respectively. 

The diagram illustrates the stereochemical interactions required for the formation of a solid complex.
Transcribed Image Text:### Transcription for Educational Use #### Questions 3) Why does the (R,R)-1,2-diaminocyclohexane form a solid complex with L-tartaric acid while the (S,S)-1,2-diaminocyclohexane does not? (*Hint: redraw the reaction scheme from the bottom of page 1 of this lab and use this in your explanation*). 4) The enantiomer of L-tartaric acid is D-tartaric acid. Draw the structure of D-tartaric acid, and label each chiral carbon as R or S. 5) Which enantiomer of *trans*-1,2-diaminocyclohexane would you expect that the D-tartaric acid would form a solid complex with? Explain. #### Diagram Explanation The diagram depicts a chemical reaction involving (R,R)-1,2-diaminocyclohexane and tartaric acid. The structures in the diagram are as follows: - **Left Side**: - Shows (R,R)-1,2-diaminocyclohexane with two amine groups (NH₂) on a cyclohexane ring. - Tartaric acid structure with two hydroxyl groups (OH) and two carboxylic acid groups (COOH). - **Reaction Arrow**: - Indicates the formation of products on the right side. - **Right Side**: - Two complex structures are formed, each with tartaric acid coordinating with the 1,2-diaminocyclohexane. - The product labeled (s) and (aq) suggests a solid complex and an aqueous solution form, respectively. The diagram illustrates the stereochemical interactions required for the formation of a solid complex.
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