Some Basic Principles Of Organic Chemistry Question 131
Question: IUPAC name of $ CH_2=CH-CH(CH_3CH_2)\underset{Br}{\mathop{\underset{|,}{\mathop{C=}},}},CH_2 $ is ?.. [JEE Orissa 2004]
Options:
A) 4-bromo-3-ethyl-1, 4-pentadiene
B) 2-bromo-3-ethyl-1, 4-pentadiene
C) 2-bromo-3-ethyl-1, 5-pentadiene
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
$ \underset{2\text{ bromo-3-ethyl -1, 4 pentadiene}}{\mathop{\overset{5}{\mathop{CH_2}},=\overset{4}{\mathop{CH}},-\overset{3}{\mathop{CH}},(CH_3CH_2)-\underset{Br}{\mathop{\underset{|}{\mathop{\overset{2}{\mathop{C}},}},}},=\overset{1}{\mathop{CH_2}},}}, $
