MHT CET202619 April 2026Evening ShiftChemistryGeneral Organic ChemistryActual
What is IUPAC name of the following compound ?
Options
- A2,6-diethylhept-4-en-3-ol
- B2-ethyl-6-methyloct-3-en-5-ol
- C3,7-Dimethylnon-5-en-4-ol
- D7-ethyl-3-methyl-oct-5-en-4-ol
Correct answer
C. 3,7-Dimethylnon-5-en-4-ol
Step-by-step solution
To find the IUPAC name of the given compound, we follow these steps: 1. Identify the principal functional group: The molecule contains a hydroxyl group ( -OH ) and a double bond. The hydroxyl group has higher priority, so it is the principal functional group and must be given the lowest possible locant. 2. Determine the longest carbon chain: The longest continuous carbon chain that contains both the -OH group and the double bond must be selected. Tracing from the rightmost ethyl group to the leftmost ethyl group gi