Question

part b
(b) $h_3c - hc - ch = ch - ch_3$
$\underset{ch_3}{|}$
spell out the full name of the compound.

Explanation:

Step1: Determine the parent chain

The parent chain is the longest carbon chain containing the double bond. Here, the parent chain has 5 carbon atoms (pent -).

Step2: Locate the double bond

The double bond is between carbon - 3 and carbon - 4 ( - 3 - ene).

Step3: Identify the substituent

There is a methyl group ( - methyl) attached to carbon - 2.

Answer:

2 - methyl - 3 - pentene