Answer
🧪 Systematic IUPAC Names of Organic Molecules
Compound 1
✅ Longest chain: butane (4 carbon atoms)
✅ Functional groups: Ketone (highest priority), hydroxyl, methyl
✅ Numbering: Ketone at C-2 → 2-one, Hydroxy at C-4, Methyl at C-3
4-hydroxy-3-methylbutan-2-one
Compound 2
✅ Longest chain: butane
✅ Functional groups: Ketone (at C-2), Methyl at C-3
3-methylbutan-2-one
Compound 3
✅ Longest chain: pentane (5 carbon atoms)
✅ Functional groups: Ketone at C-2, Hydroxyl groups at C-1 and C-4
1,4-dihydroxypentan-2-one
📘 Summary Table
| Compound | Final IUPAC Name |
|---|---|
| 1 | 4-hydroxy-3-methylbutan-2-one |
| 2 | 3-methylbutan-2-one |
| 3 | 1,4-dihydroxypentan-2-one |