Identify alcoholic group, aldehydic group and carboxylic group from -COOH, -OH and -CHO.

Explanation

To identify the alcoholic group, aldehydic group, and carboxylic group from the given functional groups (-COOH, -OH, and -CHO), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Functional Groups:**
- We have three functional groups to analyze: -COOH, -OH, and -CHO.

2. **Recognize the Carboxylic Group:**
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