3 of 15 Which of the following alkyl halides has the smallest molecular dipole m

Question

3 of 15 Which of the following alkyl halides has the smallest molecular dipole moment? A) CH3F B) CH3Cl C) CH212 DO CH2C12 E) CF4 10) Among the following alkyl halides, choose the one with the lowest boiling point. A) t-butyl chloride B)n-butyl chloride C) t-butyl bromide D) n-butyl iodide E) t-butyl iodide 11) When 2,2-dimethylbutane is subjected to free-radical chlorination, distinct of these contain asymmetric carbon atoms monochlorinated products are possible and A) 4, 2 B) 5,0 D) 5, 2 E 4,0 12) What type of intermediate is present in the SN2 reaction of cyanide with bromoethane? A) tion B) free radical C) carbene D) carbanion E) This reaction has no intermediate. 13 Which of the following species is the least nucleophilic? A) H20 B) BF3 C) (CH3)3N D) CH30- E) CN 4) Which of the following compounds is the most nucleophilic? A) CH3SH B) CH30H C) H20 E BF3 15) Which of the following factors is favorable for nucleophilicity but not basicity? A) highly polarizable B) low electronegativity C) negatively charged D) sterically hindered

Explanation / Answer

9) owing to the symmetrical geometry the dipole moment of CF4 is found to be smallest with respect othe others.

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