Draw one of the two major isomers of monohalogenation produced in this reaction. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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### Monohalogenation Reaction of an Alkane

**Objective:**
Draw one of the two major isomers resulting from the monohalogenation reaction given below. Use a dash or a wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable.

**Chemical Structure:**
- The given structure is a linear alkane with a zigzag chain.
- There is an indication of stereochemistry with a solid wedge bond protruding upwards from the middle carbon, suggesting it as a focus point for asymmetric centers.

**Reaction Conditions:**
- The reaction involves bromination using Br₂ (1 equivalent) under the influence of light (hv).
  
**Instructions:**
- Identify the carbon atoms in the alkane that can react under the given conditions.
- Consider the stability of potential radicals formed during the reaction to determine the major products.
- Draw the two major isomers that form after one bromine atom is added to the alkane.
- Represent any applicable stereochemistry using standard dash (for bonds going away from the viewer) and wedge notation (for bonds coming toward the viewer).

### Key Concepts:

- **Monohalogenation:** This is a substitution reaction where a halogen atom, in this case, bromine, replaces a hydrogen atom in the alkane.
- **Radical Stability:** More stable radicals will form more readily, influencing which isomers are major products.
- **Stereochemistry:** Understanding and representing the 3D arrangement of atoms in molecules is critical for identifying isomer variants. 

This fundamental understanding helps students predict products and comprehend stereochemical effects in halogenation reactions.
Transcribed Image Text:### Monohalogenation Reaction of an Alkane **Objective:** Draw one of the two major isomers resulting from the monohalogenation reaction given below. Use a dash or a wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable. **Chemical Structure:** - The given structure is a linear alkane with a zigzag chain. - There is an indication of stereochemistry with a solid wedge bond protruding upwards from the middle carbon, suggesting it as a focus point for asymmetric centers. **Reaction Conditions:** - The reaction involves bromination using Br₂ (1 equivalent) under the influence of light (hv). **Instructions:** - Identify the carbon atoms in the alkane that can react under the given conditions. - Consider the stability of potential radicals formed during the reaction to determine the major products. - Draw the two major isomers that form after one bromine atom is added to the alkane. - Represent any applicable stereochemistry using standard dash (for bonds going away from the viewer) and wedge notation (for bonds coming toward the viewer). ### Key Concepts: - **Monohalogenation:** This is a substitution reaction where a halogen atom, in this case, bromine, replaces a hydrogen atom in the alkane. - **Radical Stability:** More stable radicals will form more readily, influencing which isomers are major products. - **Stereochemistry:** Understanding and representing the 3D arrangement of atoms in molecules is critical for identifying isomer variants. This fundamental understanding helps students predict products and comprehend stereochemical effects in halogenation reactions.
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