What type of linkage is formed when an alcohol and an acid react?
Correct answer: D. Ester bond
- A. Ionic bond
- B. Peptide bond
- C. Glycosidic linkage
- D. Ester bond
Explanation
Option D is correct. When an alcohol and an acid react, they form an ester linkage. An ester linkage is a type of covalent bond that is formed between an alcohol group and a carboxylic acid group. The general formula for an ester is RCOOR', where R and R' are alkyl groups. The reaction between an alcohol and an acid is called an esterification reaction. The esterification reaction is a condensation reaction, which means that it produces a water molecule as a byproduct. The esterification reaction is catalyzed by an acid, such as sulfuric acid. The esterification reaction is reversible, which means that the ester can be broken down back into the alcohol and the acid. However, the esterification reaction is usually carried out under conditions that favor the formation of the ester.
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