Q1475 (2024)
According to IUPAC system, the compound
{{IMG1}}
is named as :
- Cyclohex-1-en-2-ol
- 1-Hydroxyhex-2-ene
- Cyclohex-1-en-3-ol
- Cyclohex-2-en-1-ol
### Related Formula
Principal functional group priority rules: $-\text{OH} > \text{Alkene}$.
### Core Logic
According to IUPAC nomenclature priority rules, the principal functional group is the alcohol group ($-\text{OH}$). The ring numbering starts at the carbon containing the $-\text{OH}$ group as C1.
Numbering then proceeds towards the double bond to give it the lowest possible position numbers. This designates C2 and C3 for the double bond carbons, making it a 'cyclohex-2-en-1-ol'.
### Step 1: Final Assignment
Hence, combining the root and suffix gives the correct systematic designation: Cyclohex-2-en-1-ol.
### Pattern Recognition
Always number functional cyclic systems to prioritize principal suffixes ($-\text{OH}$) first, then provide minimal numbers to unsaturation points.
### Evaluation Rubric / Model Answer
null
### Chapter Mix
Class 11 Chemistry: Nomenclature of Organic Compounds
