Quiz · Unit 5

Maximum stereoisomers

Choose the single best answer for each short diagnostic, then compare your reasoning with the explanation and misconception repair.

Question 1 of 2 solve

Tartaric acid has two stereocenters. Use the 2^n upper bound, then account for molecular symmetry to determine how many distinct stereoisomers actually exist.

A Two: RR and SS are the only forms because opposite configurations cancel and do not exist. B Four: RR, SS, RS, and SR are always distinct when n = 2. C One: all four configurations interconvert by C-C single-bond rotation. D Three: RR and SS are an enantiomeric pair, while RS and SR collapse to one meso stereoisomer.

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Maximum stereoisomers