Chemistry - STEREO ISOMERISM Question with Solution | TestHub

Ans. Diastereomers.

Sol. Both are 3-bromobutan-2-ol, CH₃-CHOH-CHBr-CH₃. At the Br-bearing centre the arrangement is the same in both structures, but at the OH-bearing centre the configuration is inverted ((a) is 2R,3R and (b) is 2S,3R) : stereoisomers differing at one of two centres : diastereomers.