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MHT CET Medical202621 April 2026Evening ShiftChemistryGeneral Organic ChemistryActual

Identify the correct order of the priority of the following functional group.

Options

  1. A- COCl > - CHO > C = C > - C C -
  2. B- CHO > - COCl > C = C > - C C -
  3. CC = C > - CHO > - COCl > - C C -
  4. D- C C - > C = C > - CHO > - COCl

Correct answer

A. - COCl > - CHO > C = C > - C C -

Step-by-step solution

According to IUPAC nomenclature rules, the priority order of principal functional groups is: Carboxylic acids > Acid anhydrides > Esters > Acid chlorides > Amides > Nitriles > Aldehydes > Ketones > Alcohols > Amines > Alkenes > Alkynes. Therefore, the correct order of priority for the given functional groups is: - COCl > - CHO > C = C > - C C - Answer: - COCl > - CHO > C = C > - C C -

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