A. Name the following molecules. ( to Br F NH HO, B. Rank the above 4 molecules according to boiling point (4-highest, 1-lowest). Place the number above the structure

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### Organic Chemistry: Molecular Identification and Properties

#### A. Molecular Nomenclature
Below are the structures of four different organic molecules. Provide the IUPAC names for each:

1. ![Molecule1](<structure image>)
   - Chlorine (Cl) attached to the first position and Bromine (Br) attached to the third position of a hexagonal ring with a ketone group (O) at the second position.
   
2. ![Molecule2](<structure image>)
   - A branching structure with four carbon atoms forming a main chain and two additional carbon atoms creating a Y-shape with a double bond between the second and third carbon atoms.
   
3. ![Molecule3](<structure image>)
   - A four-carbon main chain with a fluorine atom (F) attached to the second carbon and a hydroxyl group (OH) attached to the fourth carbon next to a carbonyl (O) group.
   
4. ![Molecule4](<structure image>)
   - A five-carbon chain with an amine group (NH) attached to the third carbon.

#### B. Boiling Point Ranking
Rank these four molecules based on their boiling points (from 4 being the highest to 1 being the lowest). Write the ranking number above each structure:

- **Considerations**: Boiling points can be influenced by molecular weight, the presence of polar groups that can form hydrogen bonds (such as -OH and -NH), and molecular geometry.

After careful evaluation, place the ranking of boiling points above each molecular structure.

---

This exercise aims to strengthen your understanding of molecular naming and how molecular structure influences physical properties such as boiling points.
Transcribed Image Text:### Organic Chemistry: Molecular Identification and Properties #### A. Molecular Nomenclature Below are the structures of four different organic molecules. Provide the IUPAC names for each: 1. ![Molecule1](<structure image>) - Chlorine (Cl) attached to the first position and Bromine (Br) attached to the third position of a hexagonal ring with a ketone group (O) at the second position. 2. ![Molecule2](<structure image>) - A branching structure with four carbon atoms forming a main chain and two additional carbon atoms creating a Y-shape with a double bond between the second and third carbon atoms. 3. ![Molecule3](<structure image>) - A four-carbon main chain with a fluorine atom (F) attached to the second carbon and a hydroxyl group (OH) attached to the fourth carbon next to a carbonyl (O) group. 4. ![Molecule4](<structure image>) - A five-carbon chain with an amine group (NH) attached to the third carbon. #### B. Boiling Point Ranking Rank these four molecules based on their boiling points (from 4 being the highest to 1 being the lowest). Write the ranking number above each structure: - **Considerations**: Boiling points can be influenced by molecular weight, the presence of polar groups that can form hydrogen bonds (such as -OH and -NH), and molecular geometry. After careful evaluation, place the ranking of boiling points above each molecular structure. --- This exercise aims to strengthen your understanding of molecular naming and how molecular structure influences physical properties such as boiling points.
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