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Which compound matches the following 1H NMR spectrum? doublet, 2H singlet 3H doublet 2H br. singlet...
Which compound matches the following 1H NMR spectrum? singlet 3H singlet 3H PPM A. B. i. C D. ОН H Ос B OD ОА
24. Which compound most likely matches the following 1H NMR spectrum? 3H 2H (A) Br (B) CH3 Br (0) (3n65-s (C) Br, Br (D) H3C CH3 CHa Whal is the IUPA 25. Which compound most likely matches the following 1H NMR spectrum? 3H ЗН 2H 2H 2H 2H (A) (B) CH3 CH3 НаС H3CO (C) (D) H3C
H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 825 cm What is the structure of a hydrocarbon that shows a molecular ion at m/z- 182 in the mass spectrum and has the following 1H NMR spectrum? 7.20, singlet, 5H- 2.9 d, singlet, 2H H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 825 cm What is the structure of a hydrocarbon that shows...
Which compound matches the following 'H NMR spectrum? singlet ЗН singlet ЗН PPM B C Sco D OH H e D D) А
please help! c 3.86 ppm, singlet, 3H d-2.52 ppm, singlet, 3H Compound A: CoH1002 TSI a 7.89 ppm, doublet, 2H b-7.89 ppm, doublet, 2H Unsat. Index- (2C+2-H-X+N)/2 8, ppm 9.0 7.0 60 3.0 2.0 ? 3, 5-dimethylbenzaldehyde, NaOH, H2O, heat h 2.31 ppm, singlet, 6H 3-1 a #8 ppm, doublet, 2H b-7.60 ppm, doublet, 1H c- 7.33 ppm, singlet, 2H Compound B: C1H1O2 g-3.86 ppm, singlet, 3H d-7.28 ppm, doublet, 1 H e 6.99 ppm, singlet, 1H C f 6.98...
Deduce the identity of the following compound from the 1H NMR data given. C8H100:8 3.4 (3H, singlet), 4.5 (2H, singlet), 7.2 (5H, apparent singlet) (ppm) A) PhCOCH3, B) PhCH2OCH3 C) (CH3)3CCH2CHO D) PHCH2CH3 ОА OB Ос
a compound, c5h12o, has an 1h nmr spectrum showing peaks at delta 2.32 (1h, singlet), 1.69 (1h, quintuplet), and 1.45 (2h, quadruplet), and 0.9 (6h, doublet), and 3.64 (2H, triplet).draw this molecule
compound C. H。Br gave a 1H NMR spectrum consisting of a a doublet at 81.7, and ·1H), (3H) What is a reasonable strueture for the at δ·1 a multiplet at81.8, - CH, CH2 CHBrCH b. CH, CH CB, CH, BE CHj CBr e. None of these 19. Estimate the stabilization energy for 1,3-butadiene using the tollowing heats of hydrogenation: Compound K2 | △H (kJ mol-1) Moles 1-Butene 1-Pentene 1,3-Butadiene 1,3-Pentadiene -127 -126 -239 -226 a. 13 kJ mol- b. 15...
unknown compound, which is insoluble in water but soluble in 10% aqueous NMR spectrum. What is the compound? ielded the given sodium bicar 2 PPM OH он eThis IR spectrum is of which compound? Et 69. The ' H NMR spectrum corresponding to the product of the following cross-coupling reaction is shown. is the product? B(OH)2 Et Pd(OAc)a K CO D) 3H 3H 8H 2H ILLI PPM Br (B) Br (A) Meo Et Et (D) (C) MeO unknown compound, which...
10. The 1H NMR for cinnamaldehyde is given below. Sketch the spectrum, and label the H's in the structure with the letters shown. (6 pts) H a-9.7 ppm (1H, singlet) b-7.7 ppm (1H, doublet) c-7.6ppm (2H, doublet) d 7.4 ppm (2H, triplet) e-7.3 ppm (1H, triplet) f- 6.6 ppm (1H, doublet) 7 10 8