1. Name each of the following molecules following IUPAC system of nomenclature. Include E and Z where applicable. Also, include R and S for each chiral center if it can be determined. a. b. Br ..CI Br Br C. Br d.

How many stereoisomers estuary for this molecule? Show how you know. A. 8 B. 3 C. 4 D. 6

Organic Chemistry 1. Please draw out the three structures ? Please explain why one and two have meso stereoisomers, and III does not ?   Thank you

please help with these homework questions.

5. Draw the structure of (S)-1-bromo-1-chloropropane. Take care to indicate the three- dimensional stereochemistry properly. 6. How many chiral centers does the following compound contain? CH3 7. Label each chiral carbon in the molecule below as having R or S configuration. HO₂C H F. H3C H CH₂CH3

None

6. Indicate whether the circled carbon in each of these is chiral a. CH3-CH-CH2-CH3 b. CH3-CH2-C-CH3 Cl c. CH3-CH2-CH-OH d. Br CH2 ©H H,C CH2 CH3 HC. CH2 Br CH

(1) Determine the isometric relationship, constitutional, enantiomers, distereomers, geometric (cis/trans), or meso, between each pair of organic compounds. Please explain further than "identical" (ii) circle all structures that are not optically active. d. e. f.g. d. g. SH ļ SH SH SH Br 11 OH OH or or 3 SH z Br SH

3. Circle all meso compounds ( H. CH3 H3C- HO- CH3 OH CH3 H. CH3 но CI- CH3 HO,

Use the skeletal structure provided. CI OH HO .. A. provide the Fischer projections of the skeletal structure shown B. provide the structure (Fischer or skeletal) of a constitutional isomer C. provide the structure (Fischer or skeletal) of the enantiomer isomer H3C CH3 D. provide the structure (Fischer or skeletal) of a diastereomer isomer indicate if the structure can be classified as a meso compound. O Yes, meso O No, not meso