Nhich structure is consistent with the following data? Molecular formula: CHa IR absorptions at -3000, 1600 and 1500 cm 3H singet 3H rpiet 2H trplet 2H S pesks IV O A. V O B. II O C. IV O D. II
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- 2. Which C4H,Br isomers give rise to the two spectra shown below? b. 8 C. 8 7 7 6 5 5 34 4 8 (ppm) 33 32 PPM 4 8 (ppm) 2H t I 2H d 3 ند 3 2H 2H quint sext NH 2 1H m 2 6H d I C 3H 1.0 PPM 0 0B.19 What major IR absorptions are present above 1500 cm ¹ for each compound? a. b. C. d. OH OHWhich of compounds l-V corresponds to the infrared spectrum (attached). Provide a clear rationale for your answer CH3 CH3 HO I II III IV 100 4D00 3000 2000 100 MAVENUHBERIl O A. compound I O B. compound II O C. compound II O D. compound IV
- Which of the four compounds is best represented by the infra-red spectrum shown below? A HO O. 2000 1000 3000 waveno. Compound C Compound B Compound DWhich of compounds l-V corresponds to the infrared spectrum (attached). Provide a clear rationale for your answer CH3 CH3 I II III IV L0D 4000 3000 AS00 1000 so NAVENUMBERIl O A. compound I O B. compound II C. compound III O D. compound IVwhat compound has this given IR Spectra? 80 2725 2827 40 2976 1731 of 4000 2000 Wavenumbers (cm-1) O A. butanol B. butanoic acid O C. butanone O D. butyraldehyde %Transmittance
- 5. Rank absorption of the indicated bonds in decreasing (highest to lowest) order of wavenumber. b. H H. N H 11 H HIS I!! B1. BH-/THF 2. H,O,/NAOH Which of the following is the major organic product of the reaction shown above? (A) OH (B) OH (C) (D) НО ОН (E) HOA B. C. D. но H3C но This is most likely to be the IR spectrum of: 00 0 DOST 000 D.
- MATCH a structure from the list below to the following IR spectra. HO D. A. OH В. E. H. C. F. 50 4D00 3000 2000 1000 SB0 TRENSHETTENCEI12. Which absorption spectrum corresponds to a red solution? a. (a) b. (b) C. (c) d. (a) and (c) e. (b) and (c) 400 nm e 700 nmA4 Compound: C11H18O4 For 1H and 13 C:1. Specificy the chemical shifts and multiplicity2. Specify the number of hydrogens or carbon associated for each peak in 1H and 13C spectra.3. Assigned the peaks in the proposed structure.