Question

What can be the IUPAC names of the structures?

Answer 1

Answer:

oct-2-ene. The prefix oct- tells us there are eight carbon atoms in the longest chain.

3-methylhexane. The prefix hex- tells us there are six carbon atoms in the longest chain.

hept-3-yne. The prefix hept- tells us there are seven carbon atoms in the longest chain.

4-ethyl-4-methylhept-2-yne.