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The major product(s) of this reaction would be

What is the major elimination product obtained from the following reaction?  

Using the bond dissociation energies given, calculate ΔH° for the following reaction.     Bond A-B ΔH° KJ/mol CH3CH2-Br 285 H-OH 498 CH3CH2-OH 393 H-Br 368  

Predict the two most likely mechanisms which occur when 2-iodohexane is heated in ethanol.

elect 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, strong, weak, charge, concerted, two step, SN1, SN2, racemization, hyperconjugation, alkyl halides, inversion):  (   Good leaving groups are the conjugate bases of  ………………….. acids.  Complete word/phrase and correct spelling (verbatim) is required. No partial credit.

Given the bond dissociation energies below (in kcal/mol), estimate the ΔH° for the propagation step CH3CH2CH2—H                     98(CH3)2CH—H                            95Cl—Cl                                           58H—Cl                                            103CH3CH2CH2—Cl                      81(CH3)2CH—Cl                             80

Which of the following is the least reactive substrate in an E2 reaction? 

Which of the following reactions corresponds to a substitution?

What is the product of the SN2 reaction of (R)-2-bromopentane with sodium methoxide?

You want to synthesize 3-methyl-2-pentene from 2-chloro-3-methylpentane. Which reagent would you use?