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An organic student incorrectly names a compound as 2,3-dimethylcyclohexane. What mistake did the student make?
Group of answer choices
The numbering should be 1,2 (smallest number)
The attachments should be listed separately: 2-methyl-3-methyl...
The student did not find the longest chain
Group of answer choices
The numbering should be 1,2 (smallest number)
The attachments should be listed separately: 2-methyl-3-methyl...
The student did not find the longest chain
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Answered by
GPT-4o mini
The mistake the student made is:
**The numbering should be 1,2 (smallest number)**
In the case of naming 2,3-dimethylcyclohexane, the correct way to number the positions for substituents in a cyclohexane ring is to start at one of the substituents and assign numbers to each carbon in such a way that the substituents receive the lowest possible numbers. Thus, the correct numbering would minimize the larger number assigned to substituents, which in this case would likely yield 1 and 2 as the positions for the two methyl groups instead of 2 and 3.
**The numbering should be 1,2 (smallest number)**
In the case of naming 2,3-dimethylcyclohexane, the correct way to number the positions for substituents in a cyclohexane ring is to start at one of the substituents and assign numbers to each carbon in such a way that the substituents receive the lowest possible numbers. Thus, the correct numbering would minimize the larger number assigned to substituents, which in this case would likely yield 1 and 2 as the positions for the two methyl groups instead of 2 and 3.
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