QuestionStereochemistry / meso compounds
Which one of the following is not a meso compound?

- (a) Hexane-3,4-diol drawn with both OH hashed and both H wedged (mirror-symmetric drawing)
- (b) 2,5-Dibromohexane drawn in zig-zag with one Br wedged and the other hashed
- (c) 1,2-Dichloro-1,2-diphenylethane drawn with both Cl hashed (Ph up on C1, Ph down on C2)
- (d) cis-1,3-Dichlorocyclohexane (both Cl wedged)
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