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Which of the following is functional group of ester?

Correct answer: D. -COOR

  • A. -COOH
  • B. -CHO
  • C. -C=O
  • D. -COOR

Explanation

Option D is correct because -COOR- is the functional group for Esters. All other options do not represent Ester's functional group.

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About Fundamental Principles of Organic Chemistry

Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.

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