JEE Main20238 Apr 2023Evening ShiftChemistryGeneral Organic ChemistryActual
The correct IUPAC nomenclature for the following compound is:
Options
- A2 -Methyl- 5 -oxohexanoic acid
- B2 -Formyl- 5 -methylhexan- 6 -oic acid
- C5 -Methyl- 2 -oxohexan- 6 -oic acid
- D5 -Formyl- 2 -methylhexanoic acid
Correct answer
A. 2 -Methyl- 5 -oxohexanoic acid
Step-by-step solution
IUPAC name of the following compound is 2 -Methyl- 5 -oxo-hexanoic acid Identify the longest continuous carbon chain that contains the carboxyl group ( COOH ). In this case, it is a six-carbon chain. Number the carbon chain starting from the end closest to the carboxyl group. The carboxyl carbon is assigned the number 1 . Identify and name any substituents attached to the carbon chain. In this case, there is a methyl group attached to the second carbon atom of the chain. Combine the substituent name with the parent