Which of the following electrophiles would yield the fastest reaction rate in an SNl reaction? (a) Ph (b) .. Nu (c) Нас CI:Nu Нас—Ci: CI: Nu edict he Ph (d) Ph .Cl: Nu (е) Нзс Снз (f) none are Br: reactive Ph CH3 (e) () 6 Which electrophile is capable of reacting by either an SNl or SN2 mechanism depending on the type of nucleophile and solvent? CH3 (c) ot Cl:1 Ph (b) (a) Ph .CI: CI: Ph Hас Ph (fn (e) none (d) Ph 7 Which product would be generated in highest yield from the reaction sequence below? CHз (b) (c) CI: CHа (a) CH3 CH3 Hас H3C :OH Hас Hас

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