please help and please explain!! 21. Compound L has the molecular formula Ciill 0 L is...
An unknown compound A has the molecular formula C12H160. Compound A absorbs strongly in the IR at 1700 cm-? The NMR spectral data for compound A are given below. What is the structure of compound A? absorption ppm ratio of absorbing H'S singlet 1.0 triplet quartet 2.2 broad singlet 1.2 6 3 2 5 7.0 or or or no Multiple Choice 11 La
2. Draw the structure of the compound with molecular formula C H1N exhibiting a triplet at 8 0.9 (6H), a singlet at 8 1.1 (1H), a sextet at 01.3 (4H), a quintet at 8 1.4 (4H) and a triplet at 8 2.6 (4H) in its 'H NMR spectrum. Its IR spectrum shows a medium absorption band near 3400 cm' and its 13C NMR spectrum showed peaks at 13.7, 20.5, 30.4 and 49.2. (2 pts.) 3. Synthesize the following by showing...
An unknown compound A has an empirical formula of c3h6o and a molecular ion peak in its mass spectrum at m/z 116. It also has no IR absorption at 3200-3600cm^-1 but shows a peak at 1740cm^-1. The H NMR spectra data of A is given below in table format. Use this information to answer questions a-d below. 9 (15 Points). An unknown compound A has empiricl rmula of C,HO and a molecular ion peak in its mass spectrum at an...
and draw the Structures Determine the Hydrogen Deficiency Index Challenges: C4H8O2 1.2 8: 3H triplet 3.0 8: 2H quartet 3.6 8: 3H singlet CoH14 1.3 8: 9H singlet 7.2 8:5H multiplet C&H;N 3.7 8:2H singlet 7.2 8:5H singlet C.H.CI,O2 1.4 8: 3H triplet 4.3 8: 2H quartet 5.9 8: 1H singlet CsH1002 1.2 8:6H doublet 2.0 8:3H singlet 5.0 8: 1H septet 'H NMR Practice Problems Best thing is to first determine the Hydrogen Deficiency Index so you know the...
The following problem is similar to question 3, except the molecular formala is not provided. Yea lecular weight of the molecule and clues from the IR to igare out the molecular formula and structur oawill have to use the tructure of the molecule 3000 2000 1500 1000 S. Propose a structure for a compound, with molecular formula CH N that fits the following spectroscopic data: IR: 3400 cm 'H NMR: 0.9 δ (triplet, 6H), 1.1 δ (singlet i H, exchanges...
48. Give the chemical formula (such as CHA) of the compound that has this man m/Z 100 M 101 Intensity 38.7 2.55 49. Give the chemical formula of the compound that has this mass spectrum: mz 93 M* Intensity 48.4 1.60 16.1 95 50. Give the structural formula (such as CH3 CH2 CI) of the compound C.HCl that has this NMR spectrum: Doublet, Multiplet Doublet, $1.04 (6H) $ 1.95 (1H) 3.35 (2H) 51. Give the structural formula of the compound...
Please help propose interpretations of the spectra for the two unknowns pictured below. Identification and drawing of the unknowns would be much appreciated and will get a thumbs up. Liquid T alcohol MS Relative Intensity 0- r 10 20 30 40 50 70 80 90 100 60 m/z Liquid T "H-NMR broad singlet, IH doublet, 6H quartet, 2H triplet, 2H nonet, IH PPM C-NMR PPM Sold e Carboxylic acid Mass Spec. 100 Relative Intensity optippropri protiletterturmflopperprompt 25 50 75 100...
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...
A compound with the molecular formula C6H15N exhibits a singlet at d 0.9 (1H), A triplet at d 1.10 (3H), A singlet at d 1.15 (9H), & quartet at d 2.6 (2H) In its 1HNMR spectrum. It’s Ir spectrum shows one medium absorption band near 3400 cm^-1. What is the structure of this compound? NH 1
The mass spectrum of compound A shows molecular ion peak at m/z 88. The IR spectrum of this compound has a broad peak between 3200 and 3550 cm-1. The 1H NMR spectrum of A shows the following peaks: a triplet at d 0.9, a singlet at d 1.1, one more singlet at d 1.15, and a quartet at d 1.6. The area ratio of these peaks is 3:6:1:2. The 13C NMR contains 4 signals. In the space below, propose a...