To convert a nitrile to a carboxylic acid, the correct reagent is **aqueous acid**.

### Explanation:
1. **Mechanism**: Nitriles (R-C≡N) can be hydrolyzed to carboxylic acids (R-COOH) through a process involving the addition of water (hydrolysis) in the presence of an acid catalyst.
2. **Reagents**: The nitrile is treated with a strong acid (such as hydrochloric acid) and water, which facilitates the addition of a water molecule to the nitrile and ultimately transforms it into a carboxylic acid.
3. **Incorrect Options**:
- **ROH** (alcohol) is not effective for this transformation.
- **LiAlH4** is a strong reducing agent that typically reduces nitriles to primary amines, not carboxylic acids.
- **Pyridinium chlorochromate** is used for oxidation reactions and would not be suitable for this reaction.

### Final Answer:
The correct answer is **aqueous acid**.

Question

To convert a nitrile to a carboxylic acid, the correct reagent is **aqueous acid**.

### Explanation:
1. **Mechanism**: Nitriles (R-C≡N) can be hydrolyzed to carboxylic acids (R-COOH) through a process involving the addition of water (hydrolysis) in the presence of an acid catalyst.
2. **Reagents**: The nitrile is treated with a strong acid (such as hydrochloric acid) and water, which facilitates the addition of a water molecule to the nitrile and ultimately transforms it into a carboxylic acid.
3. **Incorrect Options**:
   - **ROH** (alcohol) is not effective for this transformation.
   - **LiAlH4** is a strong reducing agent that typically reduces nitriles to primary amines, not carboxylic acids.
   - **Pyridinium chlorochromate** is used for oxidation reactions and would not be suitable for this reaction.

### Final Answer:
The correct answer is **aqueous acid**.

Knowee AI · Accepted Answer

To convert a nitrile to a carboxylic acid, the correct reagent is **aqueous acid**.

### Explanation:
1. **Mechanism**: Nitriles (R-C≡N) can be hydrolyzed to carboxylic acids (R-COOH) through a process involving the addition of water (hydrolysis) in the presence of an acid catalyst.
2. **Reagents**: The nitrile is treated with a strong acid (such as hydrochloric acid) and water, which facilitates the addition of a water molecule to the nitrile and ultimately transforms it into a carboxylic acid.
3. **Incorrect Options**:
   - **ROH** (alcohol) is not effective for this transformation.
   - **LiAlH4** is a strong reducing agent that typically reduces nitriles to primary amines, not carboxylic acids.
   - **Pyridinium chlorochromate** is used for oxidation reactions and would not be suitable for this reaction.

### Final Answer:
The correct answer is **aqueous acid**.

Which of the following is used to convert a nitrile to a carboxylic acid?Select answer from the options belowROHAqueous acidLiAlH4Pyridinium chlorochromate

Question

Which of the following is used to convert a nitrile to a carboxylic acid?

Solution

Explanation:

Final Answer:

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