Which of the following will have meso isomers also?

MHT CET Chemistry question

Which of the following will have isomers also?

(A)2-hydroxy propanoic acid
(B)2,3-dichlorobutaneCorrect
(C)2,3-dichloropentane
(D)2-chlorobutane

Answer: (B)

Solution

A meso form needs two (or more) similar chiral centres with an internal plane of symmetry: 2,3-dichlorobutane (CH3CHClCHClCH3) has identical halves, so a meso isomer

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Question ID VK-076668