Hydrocarbons - Result Question 45
####47. Which one of the following can exhibit cis-trans isomerism?
[1989]
(a) $CH_3-CHCl-COOH$
(b) $H-C \equiv C-Cl$
(c) $ClCH=CHCl$
(d) $ClCH_2-CH_2 Cl$
Topic 3: Alkynes
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Solution:
- (c) Such isomers, which possess the same molecular and structural formula but differ in the arrangement of atoms around the double bonded carbon atoms are known as geometrical isomers.
ClC=CCl ClC=CCl
(cis)
(trans)
