d. NO₂ H₂ Pd/C

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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This image depicts a chemical reaction consisting of a nitro-substituted aromatic compound undergoing hydrogenation. 

### Chemical Reaction Details:

- **Starting Compound**: The structure on the left shows a benzene ring with two substituents:
  - A carbonyl group (C=O) attached to a carbon next to the ring (acetophenone moiety).
  - A nitro group (NO₂) attached to the ring, likely in the para position relative to the carbonyl group.

- **Reaction Conditions**:
  - **Reagents**: 
    - Hydrogen gas (H₂) is used as a reducing agent.
    - Palladium on carbon (Pd/C) acts as a catalyst to facilitate the reaction.

- **Reaction Type**:
  - This is a catalytic hydrogenation reaction, commonly used to reduce nitro groups to amino groups. The nitro group (NO₂) on the aromatic ring is expected to be reduced to an amine group (NH₂).

This reaction is significant in organic synthesis, particularly in the production of anilines from nitroaromatic compounds.
Transcribed Image Text:This image depicts a chemical reaction consisting of a nitro-substituted aromatic compound undergoing hydrogenation. ### Chemical Reaction Details: - **Starting Compound**: The structure on the left shows a benzene ring with two substituents: - A carbonyl group (C=O) attached to a carbon next to the ring (acetophenone moiety). - A nitro group (NO₂) attached to the ring, likely in the para position relative to the carbonyl group. - **Reaction Conditions**: - **Reagents**: - Hydrogen gas (H₂) is used as a reducing agent. - Palladium on carbon (Pd/C) acts as a catalyst to facilitate the reaction. - **Reaction Type**: - This is a catalytic hydrogenation reaction, commonly used to reduce nitro groups to amino groups. The nitro group (NO₂) on the aromatic ring is expected to be reduced to an amine group (NH₂). This reaction is significant in organic synthesis, particularly in the production of anilines from nitroaromatic compounds.
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