Organic Chemistry Basics 1 Question 5
5. What is the IUPAC name of the following compound?
(2019 Main, 10 Jan II)
(a) 3-bromo-3-methyl-1,2-dimethylprop-1-ene
(b) 3-bromo-1,2-dimethylbut-1-ene
(c) 2-bromo-3-methylpent-3-ene
(d) 4-bromo-3-methylpent-2-ene
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Answer:
Correct Answer: 5. (b)
Solution:
- While naming the compound, alkene gets priority over functional group ( $-\mathrm{Br}$ ) and numbering starts from alkene side. Hence, IUPAC name: 4-bromo-3-methyl pent-2-ene
