Which of the following compounds contains an exactly equal number of primary (), secondary (), and t — IUPAC and Nomenclature Chemistry Question
Question
Which of the following compounds contains an exactly equal number of primary ($1^\circ$), secondary ($2^\circ$), and tertiary ($3^\circ$) carbon atoms?
Answer: B
💡 Solution & Explanation
Mesitylene is 1,3,5-trimethylbenzene. It has three $1^\circ$ carbons (the three methyl groups), three $2^\circ$ carbons (the unsubstituted ring carbons), and three $3^\circ$ carbons (the ring carbons attached to the methyl groups). Thus, it has three of each type.
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