9) Which of the following compounds is the most nucleophilic? A) CH3CO2H B) BF3 C) CH3OH D) H2O E) CH3SH
10) Which of the following solvents could be described as polar and protic? A) 18-crown-6 B) dimethylformamide C) ethanol D) acetone E) acetonitrile
11) Which of the following compounds will undergo an SN2 reaction most readily? A) (CH3)2CHCH2CH2CH2Cl B) (CH3)2CHI C) (CH3)2CHCH2CH2CH2I D) (CH3)3CCH2I E) (CH3)3CCI