Do the following structures represent identical molecules or a pair of enantiomers?
(a) and
(b) and
(c) and
(d) and

Question

Do the following structures represent identical molecules or a pair of enantiomers? (a) and (b) and (c) and (d) and

TestHub · Accepted Answer

Ans. (A) All four pairs are enantiomers.

Sol. (a) Both are pentan-2-ol: first S, second R : enantiomers. (b) Priorities Cl $>$ CH₂Br $>$ CH₂CH₃ $>$ CH₃: first S, second R : enantiomers. (c) Priorities OH $>$ CH₂Br $>$ CH₃ $>$ H: first S, second R : enantiomers. (d) Both are 2-chlorobutane: first R, second S : enantiomers.

Chemistry - STEREO ISOMERISM Question with Solution | TestHub

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