13.12 Identify each of the following structures as chiral or achiral. If chiral, indicate the chiral carbon. Cl Cl a. CH3-C-CH₂-CH-CH3 CH3 Br 1 b. OH OH Cl | c. CH3-C=CH-CH3 d. Br-CH₂-CH-CH3

Which is the correct assignment of chirality at C2 and C4 of the following molecule? H OH HO H a. 2S,4R b. 2R,4R c. 2S,4S d. 2R,4S

Question 7 of 23 > Identify the chirality center(s) (sometimes called chiral atom) in the compound shown. Identify the chirality center(s). ОН ОН ОН О Н ОН С-5 H-C- -C- C-H С-1 C-6 H H H H H С-4 C-3 How many stereoisomers exist for this compound? С-2 stereoisomers:

This molecule has how many chiral centers in it? H. H-C-OH 31 Но-с-Н H-C-OH 51 H C-OH 6. CH2OH