- Chem 22501 Problem Set Fall 2021 45 A Compound With The Molecular Formula C3h6cl2 Gave A Hnmr Spectrum Consisting On 1 (218.33 KiB) Viewed 76 times
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CHEM 22501 Problem Set (Fall 2021) 45. A compound with the molecular formula C3H6Cl2 gave a 'HNMR spectrum consisting only of a triplet centered at 3.7ppm and a quintet centered at 2.2 ppm. The most likely structure for the compound is: 50. Which is formed if compound F is reacted with Methanol ? COOCH3 COOH OCH COOCH ОСН, OCH A B с D A) CH3CH2CHCI2 B) CH3CHCICH CI C) CICH CHCICH3 D) CICH2CH2CH2CI E) CH3CCI2CH3 For questions 51 53 refer to the to the following information: 46. The H-NMR of 1-propanol. What is the expected splitting pattern for each signal in the order a, b, c, d? CH3 -CH2 -CH2-OH Two isomeric compounds have a molecular formula C6H12. 'HNMR for compound A shows ONLY one singlet at 1.4 ppm. "HNMR for compound B shows ONLY one singlet at 1.65 ppm. Compound A had no reaction with bromine. Compound B decolorized bromine. a b с d A) triplet, doublet, triplet, singlet B) doublet, quartet, sextet, octet C) triplet, sextet, triplet, singlet D) triplet, doublet, doublet, singlet 51. What is the degree of unsaturation for Compounds A and B? A) 1 B) 2 C) 3 D) 4 47. For trans-1,2-dichloroethene, what would the splitting pattern be for the protons? A) Two Doublet of Doublets B) One doublet C) Two Singlets D) One Singlet 52. What conclusion can be drawn from the reaction of compounds A and B with bromine? A) Compound A and B are alkenes B) Only compound B is an alkene C) Only compound A is an alkene D) Neither compound A nor B are alkenes For questions 48 50 refer to the to the following reaction: COOH SOCI F NH3, 0°C G Reflux 48. Which of the following represents product F? ANSWER: (d) 53. What is the structure of compound A? CI A D COOH CI COOH COCI CI A B с 49. The structure for compound Gis ANSWER: (b) COOH CONH2 NH2 54. A compound forms and dense yellow precipitate when treated with lodine and NaOH. The compound must be A) An aldehyde B) A tertiary alcohol C) A secondary amine D) None of these COOH NH2 A B с D