Keto group is represented as___________?

Correct answer: A. CO

  • A. CO
  • B. C-COO-C
  • C. HCOH
  • D. HOH

Explanation

A keto group contains a carbonyl group within the carbon chain and is represented as C=O, commonly shortened in such options to CO. The likely mistake is HCOH, which resembles part of an aldehyde or hydroxyl-containing structure but does not represent a ketone carbonyl group.

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