Question:
Which among the following is NOT dicarboxylic acid?
Which among the following is NOT dicarboxylic acid?
Show Hint
Use the mnemonic "Oh My Such Good Apple Pie" for dicarboxylic acids: Oxalic (2C), Malonic (3C), Succinic (4C), Glutaric (5C), Adipic (6C), Pimelic (7C).
Updated On: May 14, 2026
- Adipic acid
- Glutaric acid
- Valeric acid
- Malonic acid
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Concept
Dicarboxylic acids contain two carboxylic acid (—COOH) groups, whereas monocarboxylic acids contain only one.
Step 2: Meaning
These are often named by common names based on the total number of carbon atoms in the chain.
Step 3: Analysis
- Malonic ($C_3$), Glutaric ($C_5$), and Adipic ($C_6$) are all dicarboxylic acids (HOOC-(CH2)n-COOH). - Valeric acid is the common name for pentanoic acid, which is a 5-carbon monocarboxylic acid ($\text{CH}_3(\text{CH}_2)_3\text{COOH}$).
Step 4: Conclusion
Valeric acid contains only one carboxyl group. Final Answer: (C)
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