Question

part c
(c) $h_3c$ $h_3c - c - ch = ch_2$ $ch_3$
spell out the full name of the compound.
2,2,3 - trimethyl - 1 - butene

Explanation:

Step1: Identify the parent chain

The parent chain is the longest carbon chain containing the double bond. Here, the parent chain has 4 carbon atoms (butene).

Step2: Locate the double bond

The double bond is between the first and second carbon atoms (1 - butene).

Step3: Identify and locate substituents

There are three methyl ($-CH_3$) groups. Two are on the second carbon atom and one is on the third carbon atom (2,2,3 - trimethyl).

Answer:

2,2,3 - trimethyl - 1 - butene