Question

Which of the following will have a meso isomer also?

• A. 2, 3-dichloropentane
• B. 2, 3-dichlorobutane
• C. 2-chlorobutane
• D. 2-hydroxy propanoic acid

Answer 1

Answer: (B)

absence of plane of symmetry

presence of plane of symmetry

absence of plane of symmetry

absence of plane of symmetry
Hence, compound (b) is meso isomer due to the presence of plane of symmetry.