IGNORE MY FIRST POST. I CORRECTED THIS ONE
Write IUPAC name of the following alkanes:
1. (CH3)3 CCH2CH2CH3
all the numbers are subscripts. So there are 3 CH3's, C,CH2,CH2, and CH3
This is what my teacher has in my homework. The parenthesis really throw my off on how to name this.
So am I wrong or is my teacher wrong?
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1 answer

It would be better and more conventionally written as
(CH3)3CCH2CH2CH3
the longest continuous chain of C atoms is 5, from the CH3 on the LHS to the CH3 on the RHS. Much easier if you make a model, plasticine and used matches work well if you cdon't have models.
So it is a pentane. There are two CH3s on C1 so it is
1,1dimethylpentane. 👍
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Dr Russ
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