the answer is D) they have the same properties as their elements.
Butyl group is CH3 CH2 Ch2 CH2 -
Methyl group is CH3 -
Pentane is CH3 CH2 CH2 CH2 CH3
4 - butyl - 2,3 dimethylpentane is
CH3 CH2 CH2 CH2 CH3
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CH3 CH CH CH CH3
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CH3
You can realize that there is a chain of 8 Cs (I bolded it).
The proper name must use the longest C chain; i.e octane.
In this case, there are 3 methyl groups attached to the 8 Cs chain, and they are at 2, 3 and 4 positions. Therefore, the name is:
2, 3, 4 trimethyl - octane
Answer:
i think the answer is C ...