Question: & less branches a stronger nucleophilic 4. Which of the following species is the LEAST nucleophilic? A. HO B. BF3 8 9 C. (CH3)3N

& less branches a stronger nucleophilic 4. Which of the following species


& less branches a stronger nucleophilic 4. Which of the following species is the LEAST nucleophilic? A. HO B. BF3 8 9 C. (CH3)3N 7 5. Which of the following species is the MOST nucleophilic? A. H2O 8 D. CH3OH C. (CH3)3N " 8 D. CH30- 8 B. BF3 9 F (D) Br E) OCH3 aprotic solvant 7. Which of the following solvents is the best for an SN2 reaction? A. DMSO B. CH3OH . EtOH D. HO E. t-Butanol 8. Which of the following is the best leaving group? A) OH B) CH3CHONa 6. Which of the following compounds will undergo an SN2 reaction most readily? A. (CH3)3CCHI B. (CH3)3CC1 C. (CH3)2CHI D. (CH3)2CHCH2CH2CH2I E. (CH3)2CHCH2CH2CH2Cl SN 9. Which of the following would serve as the best base for E2? A) H0 B) CH3OH CF- D) CH3ONa Bolus E. CN-L 2 10. Which of the following is a tertiary alkyl halide? A) methyl bromide B) isopropyl chloride C) t-butyl iodide D) 2-chloro-2-methylbutane E) two of the above (E. CN- 7

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