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Rank the following ions in order of increasing nucleophilicity in polar aprotic solvents, starting with the least nucleophilic ion.  

Which structure represents (E)-1-bromo-2-methylhex-2-ene?

What is the major product for the following reaction?   

Which is the most likely mechanism for the following reaction?

What type of bond cleavage takes place in/what type of intermediate is produced in the following reaction?

What is (are) the product(s) of the following reaction?  

Consider the substitution reaction shown below. By what mechanism will the reaction proceed?

Bonus question What is the product of the following reaction?  

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):  (   Strong ………………….. favor SN2 mechanism.  Complete word/phrase and correct spelling (verbatim) is required. No partial credit.

Select the word or phrase that complete each sentence (constitutional isomers, diastereomers, enantiomers, meso compounds, higher, lower, reaction, addition, carbocation, carbanion, nucleophile, electrophile, elimination, heterolysis, homolysis, reagent, substitution, stronger, weaker, charge, concerted, two step, SN1, SN2, racemization, hyperconjugation, alkyl halides, inversion):     Polar aprotic solvents favor …………………..  mechanism. Complete word/phrase and correct spelling (verbatim) is required. No partial credit.