How many esters are there with the molecular formula C4H8O2:
Correct answer: C. 4
- A. 2
- B. 3
- C. 4
- D. 5
Explanation
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About Carboxylic Acid Derivatives
Carboxylic acid derivatives include acid halides, acid anhydrides, esters and amides, formed by replacing the hydroxyl group of a carboxylic acid. Their nomenclature, structures, preparation, hydrolysis and relative reactivity are linked through nucleophilic acyl substitution, which differs from the nucleophilic addition reactions of aldehydes and ketones.
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