Hydrocarbons Ques 42

42. 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) $ClCH_2-CH_2 Cl$

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Answer:

Correct Answer: 42.(c)

Solution:

  1. (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.