Which alkyl halide reacts the fastest in an E2 reaction?

What is(are) the major organic product(s) obtained from the following substitution 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?  

Which of the following energy diagrams represents the course of an endothermic SN1 reaction?

What is the major product of the following E2 reaction?

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.

Which of the following statements about bond breaking is true?