36- The hydroxide ion, a relatively strong base, is a very poor leaving group. A) The hydroxide ion, a relatively weak base, is a very poor leaving group. 38. Which of the following statements concerning the boiling points of carboxylic acids is correct? B) The hydroxide ion, a relatively weak base, is a very good leaving group. The hydroxide ion, a relatively strong base, is a very poor leaving group. D) Two of these 37. The common names for the C, mono- and dicarboxylic acids are, respectively, a) formic acid and acetic acid. c) oxalic acid and acetic acid. b) acetic acid and formic acid, d) acetic acid and oxalic acid. a) They are higher than those of corresponding alcohols. b) They are lower than those of corresponding alkanes. c) They are lower than those of corresponding aldehydes. d) more than one correct response e) no correct response 39. Which of the following esters is paired with an incorrect IUPAC name for it? 0 II a) CH3-CH2-C-0-CH; : ethyl methanoate b) CH3-C-O-CH2-CH; : methyl ethanoate c) CH3 -CH2-C-0-CH2-CH; ; ethyl propanoate 2-0-01 d) no correct response 40- Which of the following is called an acyl group? A. R-COO- B. R-CO- C. R-CO-O-CO- D. C=0 41. Which of the following is an example of diazonium ion? A, CHEN B. CH3N2 C. H2N-NH, D. none of these 42- Lactones are common names for : A. polyaromatic compounds B. cyclic ethers C. cyclic esters D. cyclic amides 43. Which of the following compounds is the strongest acid? A CHIC, COOH D. Br CCHCOOH C CH CH CH. COOH D. CH CHCOOH E CHCH.CH.COOH CH Br