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18.Predict the major product of the following reaction 3 E)no reaction Ans:E 19 ueoavctity because o-selective 8 a late transition state is involved. an early transition state is involved. E)fluorine is too unreactive. Ans:D 20.Which of the carbon-carbon bonds indicated would be the weakest? A)A B)B C)C D)D E)E Ans:E Page8 Page 8 18. Predict the major product of the following reaction: I2 / light ? A) I B) I C) I D) E) no reaction Ans: E 19. Free-radical fluorination demonstrates little regio-selectivity because A) fluorine is too small to have steric hinderance. B) free-radical reactions are never regio-selective. C) a late transition state is involved. D) an early transition state is involved. E) fluorine is too unreactive. Ans: D 20. Which of the carbon-carbon bonds indicated would be the weakest? H3C A B C E D A) A B) B C) C D) D E) E Ans: E
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