Understanding the Structure
The compound CH3-C=O-OH can be broken down as follows:
- CH3 indicates a methyl group.
- C=O indicates a carbonyl group (aldehyde or ketone).
- -OH indicates a hydroxyl group.
In this case, the carbon atom connected to the carbonyl group is also attached to a hydroxyl group, making it a carboxylic acid derivative.
Identifying Functional Groups
- The presence of the carbonyl group (C=O) and hydroxyl group (-OH) signifies that this compound is an acid.
- The methyl group (CH3) suggests that it is a simple alkyl substituent.
Determining the IUPAC Name
- Given that the compound has one carbon atom in addition to the carbonyl and hydroxyl groups, it can be classified as a carboxylic acid.
- The longest chain containing the carboxylic group is two carbons long, which corresponds to acetic acid.
Final IUPAC Name
Thus, the IUPAC name for CH3-C=O-OH is "Acetic Acid" or "Ethanoic Acid."
Key Points to Remember
- Acetic acid is widely known and used in various applications, including food preservation and chemical synthesis.
- It is a simple carboxylic acid, making it an essential compound in organic chemistry.
This compound exemplifies the fundamental principles of organic nomenclature, showcasing how structural components dictate the IUPAC naming process.