Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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The image displays a chemical reaction and asks for the product(s) of that reaction. The reaction involves the conversion of a compound using ozone (O₃) followed by zinc and an acid (Zn, H⁺).

### Reaction Details:
- **Starting Compound**: A linear hydrocarbon with a double bond, denoted as CH₃-CH==CH-(CH₂)₃-CH₃.
- **Reagents**: 
  - Step 1: O₃ (ozone)
  - Step 2: Zn, H⁺ (reductive workup)

### Possible Products:
The image shows four possible structures labeled A, B, C, and D. 

- **A**: A compound with two hydroxyl groups and a methyl branch.
- **B**: A compound with a ketone and an aldehyde functional group.
- **C**: A linear ketone with a methyl branch.
- **D**: Two separate molecules:
  - An aldehyde (acetaldehyde).
  - Another aldehyde with an alkene chain (butanal).

### Explanation:
The reaction depicted is ozonolysis, which cleaves double bonds and typically forms aldehydes or ketones depending on the structure. The reductive workup with zinc and acid prevents further oxidation of aldehydes to carboxylic acids. The expected products would most likely be aldehydes or ketones resulting from the cleavage.
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Transcribed Image Text:The image displays a chemical reaction and asks for the product(s) of that reaction. The reaction involves the conversion of a compound using ozone (O₃) followed by zinc and an acid (Zn, H⁺). ### Reaction Details: - **Starting Compound**: A linear hydrocarbon with a double bond, denoted as CH₃-CH==CH-(CH₂)₃-CH₃. - **Reagents**: - Step 1: O₃ (ozone) - Step 2: Zn, H⁺ (reductive workup) ### Possible Products: The image shows four possible structures labeled A, B, C, and D. - **A**: A compound with two hydroxyl groups and a methyl branch. - **B**: A compound with a ketone and an aldehyde functional group. - **C**: A linear ketone with a methyl branch. - **D**: Two separate molecules: - An aldehyde (acetaldehyde). - Another aldehyde with an alkene chain (butanal). ### Explanation: The reaction depicted is ozonolysis, which cleaves double bonds and typically forms aldehydes or ketones depending on the structure. The reductive workup with zinc and acid prevents further oxidation of aldehydes to carboxylic acids. The expected products would most likely be aldehydes or ketones resulting from the cleavage.
Expert Solution
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Step 1

Ozonolysis of alkene:

It is a type of oxidation reaction. In this reaction, the alkene is treated with ozone which forms ozonide (it is an unstable and also explosive compound) which upon reductive cleavage by Zn/H2O gives ketones or aldehyde. Depending upon the structure of the alkene different types of carbonyl compounds are formed.

 

 

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