Author: Anonymous

What is the relationship between the two structures shown?

Which structure is an enantiomer of following shown?

How many stereoisomers are possible for this structure?  

Select the word or phrase that complete each sentence (constitutional isomers, diastereomers, enantiomers, meso compounds, higher, lower, reaction, addition, carbocation, carbanion, nucleophiles, electrophiles, elimination, heterolysis, homolysis, reagent, substitution, stronger, weaker, charge, concerted, two step, SN1, SN2, racemization, hyperconjugation, alkyl halides, inversion):  ( correct spelling are required. No partial credit).   Stereoisomers that are not mirror images of each are  ………………………………………….            Complete word/phrase and correct spelling (verbatim) is required. No partial credit.

What is the correct order of the Cahn-Ingold-Prelog ranking of the following substituents as used in assigning R and S configurations of chiral centers? (lower ranking < higher ranking) ​ 1. −CH2OH 2. −CHO 3. −OCH3 4. −OCOCH3 ​

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram.                                       ​ A B C D Conformation D is represented by Roman numeral ____. (enter the Roman number. No other numbers will be accepted)

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram.                                       ​ A B C D Conformation B is represented by Roman numeral ____. (enter the Roman number. No other numbers will be accepted)

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram.                                       ​ A B C D Conformation A is represented by Roman numeral ____. (enter the Roman number. No other numbers will be accepted)

Which of the following is the correct structure for the compound (S)-3-methylheptane?

Identify the correct chair conformation of cyclohexane showing all of the axial hydrogen atoms.