Question

part a
(a) h₃c—ch=ch—ch₂—ch₃
spell out the full name of the compound.

Explanation:

Step1: Determine the parent chain

The longest carbon chain has 5 carbons, so the parent chain is pent - (pentane for alkanes, but here we have a double bond, so pentene).

Step2: Locate the double bond

The double bond is between the second and third carbon atoms.

Step3: Name the compound

Following IUPAC rules, the name is pent - 2 - ene.

Answer:

pent - 2 - ene