Asked in FBISE Chemistry 2023 — Paper 1 2023Moderate

Which type of functional group is present in compound CH3COOCOCH3?

Correct answer: A. Ester

  • A. Ester
  • B. Anhydride
  • C. Acid amide
  • D. Ether

Explanation

Option c is the correct answer. An ester functional group is characterized by the formula RCOOR', where R and R' are alkyl or aryl groups. In the compound CH3COOCOCH3, the groups attached to the oxygen atoms are both methyl groups (CH3), indicating an ester linkage.

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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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550 free Carboxylic Acids MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.

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