Some Basic Principles Of Organic Chemistry Question 278
Question: Number of isomers of molecular formula $ C_2H_2Br_2 $ are [CPMT 1987]
Options:
A) 1
B) 2
C) 3
D) 0
Show Answer
Answer:
Correct Answer: C
Solution:
$ C_2H_2Br_2 $ Has three isomers.
(1) $ \underset{1,,2\text{-dibromoethene}}{\mathop{\underset{(cis)}{\mathop{\underset{{}}{\mathop{H-\underset{Br}{\mathop{\underset{|,}{\mathop{C,}},}},=\underset{Br}{\mathop{\underset{|,}{\mathop{C,}},}},-H}},}},}}, $ (2) $ \underset{\text{1, 2-dibromoethene}}{\mathop{\underset{\text{(Trans)}}{\mathop{\underset{{}}{\mathop{\underset{Br,}{\mathop{\underset{|}{\mathop{CH}},}},=\overset{Br}{\mathop{\overset{|}{\mathop{CH}},}},}},}},}}, $ (3) $ \underset{\text{1,1-dibromoeth},ene}{\mathop{CH_2=C<_Br^{Br}}}, $
