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select correct answer Which of the following compounds is the best nucleophile i

ID: 800170 • Letter: S

Question

select correct answer

Which of the following compounds is the best nucleophile in a protic solvent? Identify the double bond in the following structure as(E) or (Z) and the chiral carbon as (R) or (S). Which of the following nucleophilic substitution reactions is unlikely to occur? CH3SH + CH3CH2Br rightarrow CH3CH2SCH3 + HBr CH3S- + CH3CH2OSO2CH3 rightarrow CH3CH2SCH3 + CH3SO3- HO- + CH3CH2O2CCH3 rightarrow CH3CH2OH + CH3CO2 NC- + CH3CH2NH2 rightarrow CH3CH2CN + NH2- How are the following compounds related? constitutional isomers enantiomers diastereomers meso compounds different conformations of the same compound What type of solvent would best solvate a carbocation intermediate in a SN1 reaction? polar protic polar aprotic nonpolar aprotic

Explanation / Answer

14) B

15) Z and S-

16) B

17) C

18) A