2. Predict the product of the following reaction: H,CrO4 3-ethyl-4-methyl-1-pentanol HO. A. C. но, В. D.

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**Predicting the Product of Oxidation of 3-ethyl-4-methyl-1-pentanol**

**Question:**  
Predict the product of the following reaction:

**Reactant:**  
3-ethyl-4-methyl-1-pentanol

**Reagent:**  
\[ \text{H}_2\text{CrO}_4 \]

**Options:**

- **A.** A structure with a carboxylic acid group (–COOH) at the end of the carbon chain.
- **B.** A structure with the carbonyl group (C=O) bonded directly to a hydrogen (aldehyde form).
- **C.** A structure with a ketone group (C=O) located on the second carbon of the chain.
- **D.** A structure featuring both a ketone group and a separate carboxylic acid group.

**Analysis:**

- The reaction involves an oxidation process using chromic acid (\[\text{H}_2\text{CrO}_4\]).
- 3-ethyl-4-methyl-1-pentanol is the starting alcohol, and oxidation will target the alcohol group.
- Typically, primary alcohols oxidize to form carboxylic acids and secondary alcohols form ketones.

**Graph/Diagram Explanation:**

- The diagram provides the structures for options A through D as potential products of the oxidation of 3-ethyl-4-methyl-1-pentanol.
- In each structure, functional groups such as carboxylic acids, aldehydes, and ketones are illustrated using standard organic chemistry representations, demonstrating potential sites of oxidation.
  
Please choose the appropriate option based on the expected oxidation outcome for a primary alcohol using \[\text{H}_2\text{CrO}_4\].
Transcribed Image Text:**Predicting the Product of Oxidation of 3-ethyl-4-methyl-1-pentanol** **Question:** Predict the product of the following reaction: **Reactant:** 3-ethyl-4-methyl-1-pentanol **Reagent:** \[ \text{H}_2\text{CrO}_4 \] **Options:** - **A.** A structure with a carboxylic acid group (–COOH) at the end of the carbon chain. - **B.** A structure with the carbonyl group (C=O) bonded directly to a hydrogen (aldehyde form). - **C.** A structure with a ketone group (C=O) located on the second carbon of the chain. - **D.** A structure featuring both a ketone group and a separate carboxylic acid group. **Analysis:** - The reaction involves an oxidation process using chromic acid (\[\text{H}_2\text{CrO}_4\]). - 3-ethyl-4-methyl-1-pentanol is the starting alcohol, and oxidation will target the alcohol group. - Typically, primary alcohols oxidize to form carboxylic acids and secondary alcohols form ketones. **Graph/Diagram Explanation:** - The diagram provides the structures for options A through D as potential products of the oxidation of 3-ethyl-4-methyl-1-pentanol. - In each structure, functional groups such as carboxylic acids, aldehydes, and ketones are illustrated using standard organic chemistry representations, demonstrating potential sites of oxidation. Please choose the appropriate option based on the expected oxidation outcome for a primary alcohol using \[\text{H}_2\text{CrO}_4\].
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