Answer:
Option A
Step-by-step explanation:
Option A
- 7 carbon atoms bonded with a single bond
- IUPAC name for 7 is "hept"
- ⇒ heptane
Option B
- CH₃ - CH₂ - CH₂ - CH₂ - CH₂ - CH₃
- 6 carbon atoms bonded with a single bond
- IUPAC name for 6 is "hex"
- ⇒ hexane
Option A is the correct answer.