Carboxylic Acid Functional Group
Carboxylic Acid Functional Group
Carboxylic Acids or Fatty Acids : -
Carboxylic acids are a class of organic compounds which contain carboxyl group (- COOH) as the functional group. This group is structurally represented as COOH. Thus, carboxyl group is a conmination of the carbonyl (-CO) and the hydroxyl (-OH) groups.
Formely, higher members of the carboxylic acids were obtained from fats. Hence, these acids are also called fatty acids.
Classification of Carboxylic Acids : -
Carboxylic acids are classified according to the number of carboxyl groups present in a molecule of the acid. The acids containing a single carboxyl group in their molecules are known as monocarboxylic acids, while those containing two carboxylic groups are called dicarboxylic acids.
Monocarboxylic acids : - HCOOH
Formic acid
Dicarboxylic acids : -
Oxalic acid Succcinic acid
Nomenclature of Monocarboxylic Acids : -
1. Common names : - Common names of monocarboxylic acids have originated from the Latin or the Greek names of the sources from which the acids are obtained.
| Formula | Occurrence | Latin or Greek names of the source | Name of acid |
|---|---|---|---|
| 1. HCOOH | Ants | Ants are called formica in Latin | formic acid |
| 2. |
Vinegar | Vinegar is called acetum in Latin | acetic acid |
| 3. |
Butter | Butter is called butyrum in Latin | butyric acid |
Which of the following are correct : (a) Formic acid is produced from the sting of an Ant . (b) Butyric acid is the scientific name of Butter. (c) Acetic acid is the scientific name of Vinegar. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) Carboxylic acids are a class of organic compounds which contain carboxyl group (- COOH) as the functional group. (b) Higher members of the carboxylic acids were obtained from fats, are also called fatty acids. (c) Butyric acid is the scientific name of Butter. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) Formic acid is produced from the sting of an Ant . (b) Acetic acid is the scientific name of Vinegar. | |||
| Right Option : C | |||
| View Explanation | |||
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