Question

What is $IUPAC$ name of the compound shown below?

• A. 5-bromo-1, 1-dichloro-2-methyl cyclohexane
• B. 3-bromo-1, 1-dichloro-6-methyl cyclohexane
• C. 1-bromo-3, 3-dichloro-4-methyl cyclohexane
• D. 4-bromo-2,2-dichloro-1-methyl cyclohexane

Answer 1

Answer: (A)

Here the lowest numbered series is $1,1,2,5$. No special preference is given to halide locants. Locants are written in alphabetical order

5-bromo-1, 1-dichloro-2-methyl cyclohexane