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Label the hydrogen atoms in the form of alphabet from a to z and fill in the table using knowledge about proton NMR
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- Long-range coupling between protons more than two carbon atoms apart is sometimes observed when bonds intervene. An example is found in 1-methoxy-l-buten-3-yne. Not only does the acetylenic proton, Ηa, couple with the vinylic proton Hb, it also couples with the vinylic proton Hc, four carbon atoms away. The data are: Construct tree diagrams that account for the observed splitting patterns of Ηa, Hb, and Hc.The DEPT-90 spectrum exhibits 6 in the 0-50 ppm region The DEPT-135 spectrum exhibits x 100 ppm region that is a positive ▾ C6 signal(s) for the CH groups: ▼ 1,2,6 ✓ in the sp2 hybridized region 100-150 C3 and C4 ▼ signal(s) (only the quaternary carbon atoms, signal(s), indicating the presence of a methylene group (CH₂) attached to an oxygen atom, are missing); there is C5 ▼ C1 and C2 ▼ and signal(s) in the 50-What is the structure from the formula C10H12 and the spectra?
- Cyclohex-2-enone has two protons on its carbon-carbon double bond (labeled Ha and Hb) and two protons on the carbon adjacent to the double bond (labeled Hc). (a) If Jab = 11 Hz and Jbc = 4 Hz, sketch the splitting pattern observed for each proton on the sp2 hybridized carbons. (b) Despite the fact that Ha is located adjacent to an electron-withdrawing C=O, its absorption occurs upfield from the signal due to Hb (6.0 vs. 7.0 ppm). Offer an explanation.Help needed with the following C-NMR analysis on the molecule hexaphenylbenzene. Note: we can assume the ispo carbons for the central ring are downfield of those of the subtitients. "Ipso" standing for the aromatic carbon to which a susbstituent is attached. Thank you in advance!Propose a structure consistent with each set of data.a. a compound that contains a benzene ring and has a molecular ion at m/z = 107b. a hydrocarbon that contains only sp3 hybridized carbons and a molecular ion at m/z = 84c. a compound that contains a carbonyl group and gives a molecular ion at m/z = 114d. a compound that contains C, H, N, and O and has an exact mass for the molecular ion at 101.0841
- Pent-1-ene and pent-1-yne are low-boiling hydrocarbons that have differentmolecular ions in their mass spectra. Match each hydrocarbon to its massspectrum.Cyclohex-2-enone has two protons on its carbon–carbon double bond (labeled Ha and Hb) and two protons on the carbon adjacent to the double bond (labeled Hc). (a) If Jab = 11 Hz and Jbc = 4 Hz, sketch the splitting pattern observed for each proton on the sp2 hybridized carbons. (b) Despite the fact that Ha is located adjacent to an electron-withdrawing C = O, its absorption occurs upeld from the signal due to Hb (6.0 vs. 7.0 ppm). Offer an explanation.I need help with questions please show on charts, please information Functional group- primary amine Derivatives - Benzamide unknown compound C3H9N 1: Label identifiable absorption above 1400 cm-1, sp2 carbon stretch foralkenes and aromatic, sp3 carbon-hydrogen stretch, sp2 carbon-hydrogenstretch, carbon hydrogen stretches of aldehyde, O-H stretch for alcohols, andcarboxylic acid, C=O stretches, N-H for amines.2- 1HNMR: Draw the structure neatly on the spectrum with each of the hydrogenclearly labelled. Identify which signal is associated with each type of H asmuch as possible.3- 13CNMR: Draw the structure neatly on the spectrum with each of the carbonclearly labelled. Identify which signal is associated with each type of carbonas much as possible
- Propose a structure consistent with each set of data. a.a compound that contains a benzene ring and has a molecular ion at m/z = 107 b.a hydrocarbon that contains only sp3 hybridized carbons and a molecular ion at m/z = 84 c.a compound that contains a carbonyl group and gives a molecular ion at m/z = 114 d.a compound that contains C, H, N, and O and has an exact mass for the molecular ion at 101.0841Match each spectrum to the isomers of xylene: ortho-xylene, meta-xylene and para-xylene. (ignore the CDCI3 signal) Spectrum A CH3 CH 3 o-xylene 200 Spectrum B 200 spectrum C CH3 CH3 m-xylene 100 100 CH 3 CH 3 p-xyleneFind the Correlation Chart for Functional Group Assignments in Infrared Spectra Compound: diphenylmethane 4000 cm1 3500 cm1 3000 cm1 2500 cm1 2000 cm1 1800 cm1 1600 cm1