Question

(d) h₃c - hc - ch - ch = ch₂
h₃c
ch₂
ch₃
spell out the full name of the compound.

Explanation:

Step1: Identify the parent chain

The parent chain is the longest carbon chain containing the double bond. Here, the longest chain has 6 carbon atoms.

Step2: Number the chain

Number the chain starting from the end closer to the double bond. So, the double bond is between carbon - 1 and carbon - 2.

Step3: Identify substituents

There are two methyl groups. One is on carbon - 3 and the other is on carbon - 4.

Step4: Name the compound

According to IUPAC rules, the name is 3,4 - dimethyl - 1 - hexene.

Answer:

3,4 - dimethyl - 1 - hexene