33. How many sp3- and sp2-hybridized carbons does the following compound have? (A) 6 and 7 (B) 7 and
34. Ninhydrin can rapid react with a certain type of functional group to produce an intense purple c
35. When 2-methylcyclohexanone is treated with catalytic base in excess D2O, how many deuterium atom
38. LiAl [OC(CH3)3]3H will reduce an acid chloride to an:(A) alcohol (B) alkane (C) acid (D) aldehyd
40. In the mechanism for the dehydrohalogenation of 3-chloro-3,7-dimethyloctane, what is the dihedra
42. What reagent is used to convert pentanamide to 1-pentanamine?(A) POCl3 (B) CuCN (C) MeMgBr (D) S
45. Formulas for four ethyl ethers are drawn below.Which two ethers are cleaved by aqueous acid much
46. The formula of brevicomin, a pheremone of the western pine beetle, is shown below. What open cha
48. Which of the following alcohols undergoes dehydration upon heating with concentrated H2SO4 witho
49. Choose the reaction, or reaction sequence, that best accomplishes the preparation of 2-methylcyc
50. Alkoxymercuration followed by sodium borohydride reduction would be used to produce(A) alcohol f
52. Which reagent(s) can be used to convert bromobenzene to benzoic acid?(A) 1. NaCN; 2. NaOH, H2O (
53. In addition to 2-butanone, a second product is formed in the following acid-base reaction. Choos
55. What is the major organic product that results when 1-heptyne is treated with 2 equivalents of H