CHAPTER 1

____ 42. The most abundant isomer following the double bromination of benzene by the reactionis which of the these below?a. c.b. d.____ 43. Which group of these compounds tends to be the most reactive?a. alkanes c. alkynesb. alkenes d. aromatics____ 44. The correct synthesis of n-octane would involve which of the following reactions?a. dehydrogenation of 2-octene c. hydrogenation of 3-octeneb. halogenation of 4-octene d. reduction of isooctane____ 45. When excess hydrogen bromide is added to pentyne, the possible product is which of the following?a. 1,1-dibromopentane c. 1,1,2,2-tetrabromopentaneb. 1,2-dibromopentane d. 2,2-dibromopentane____ 46. The primary product of the reaction below which uses excess HBr is which of the following?a. c.b. d.____ 47. Butane and fluorine gas would react by which of the following?