Identify the absolute configuration of the centers of chirality in each of the following compounds as R or S. If two centers of chirality are present, indicate the configurations as: RR, SS, RS, or SR. OH D H Submit Answer CO₂H OH Ret RS RR SS SR RS e Group 2 more group attempts remaining

Are the following compounds chiral ? Determine the configuration if it is chiral and draw the enantiomer, for each structure

∞ Structure a: Identify each of the above structures as either achiral, chiral, or a meso compound. Structure b: Structure c: a Structure d: od od Submit Answer Retry Entire Group 5 more group attempts remaining d Classify the following compounds as chiral, achiral (but not meso), or meso. 1st structure: 2nd structure: 3rd structure: Submit Answer D. H Br CO₂H Retry Entire Group CHO 5 more group attempts remaining

please answer all 19-21

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Don

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What best describes the relationship between I and II shown below?

• Wnite prionties on each of Hese graups (1=highest, 4 assign the stereocenter = lowest) Ond as R or S. Brt CthBr

e,f