IUPAC Naming: Troubleshooting Mistakes

AI Thread Summary
The discussion focuses on troubleshooting mistakes in IUPAC naming of a compound. A participant expresses confusion over the correct numbering of substituents, suggesting "3-ethyl, 6-isopropyl nonane" as their answer. Others point out a potential error in the naming, clarifying that "3-methyl" might be the intended term instead of "3-ethyl." The conversation highlights the importance of correctly identifying and numbering carbon chains and substituents in chemical nomenclature. Accurate IUPAC naming is essential for clear communication in chemistry.
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Homework Statement


Give the IUPAC name for the following compound.

Homework Equations

The Attempt at a Solution


upload_2015-9-9_20-37-27.png


However, the 4 and 7 were incorrect in the blanks. I'm not sure what went wrong.
 

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I think it is 3-ethyl, 6-isopropyl nonane

3 & 6 are smaller than 4 & 7
 
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Dr Transport said:
3-ethyl
"3-methyl" you mean?
 
Dr Transport said:
I think it is 3-ethyl, 6-isopropyl nonane
I wonder if you are counting # of C in this order like this:
 

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