
1. For each of the following spectra below, choose the best compound. Give your reasons. om or iOH - H op 0.86...
Give a structure consistent with each of the nmr spectra shown below Each compound has a molecular formula of C_4H_8O_2.
Give Bonus Points For the 'H NMR …ctrum below. chose your reasons tion: What is the structure of this compound, CioHs
1)Draw the structure of the compound that matches the following simulated DEPT 13C NMR spectra below. The molecular formula of the compound is C4H8O. 2) For light with a wavelength of 3.00 ?m, calculate the corresponding wavenumber value.... Answer is in cm-1 3) Mass spectral analysis of 1-cyclohexylpropan-2-one results in several fragmentation pathways. Complete the mechanism below and give the major products for the McLafferty rearrangement pathway. Include all nonbonding electrons and charges.
Give the major product of the following sequence of reactions: 1) HNO3/H2SO4 acetophenone 2) H/Pd Op-aminoethylbenzene O m-aminoethylbenzene Om-nitroacetophenone O m-aminoacetophenone
What is the name of the following compound? NO2 Om-nitropropylbenzene Op-aminopropylbenzene O 1-amino-3-propylbenzene Oo-nitropropylbenzene p-nitropropylbenzene
Draw the Skeletal Structure of the Unknown Compound, with NMR
given below.
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm "H NMR Spectra, the integral is given in number of hydrogens #H) or as a relative ratio. Important coupling constants U-values) are listed next to the peaks for some examples. For some spectra, an...
9. For each of the three IR spectra shown below. choose the structure below that would best fit the spectrum. For full credit, show your work in interpreting each IR spectrum Abhance 2800 Wses/em 2588 0.995 0.99 0.985 0.98 2000 1000 3000 Wavenumber (cm-1) 0.8 0.6 0.4 0.2 0.0 2000 Wavenumber (cm-1) 1000 3000 TRANSMITTANCE ankamiiecaca
D Question 1 4 pts Identify which molecule below (a-i) corresponds to the following IR spectra: 0.94 Relative Transmittance 0.92 3000 160 2006 Wavenumber om 1) ہوم م م م ل OH اله D .MP4 سا H OA OD OE OF OG H O!
A compound with molecular formula C H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration...
7) (12 pts) For each of the following IR spectra (a-c) there is a choice of three possible types of compounds. For each spectrum, choose the most appropriate class of compound. Explain your reasoning by noting the presence and absence of characteristic bands in the spectrum. a) alcohol, carboxylic acid, or phenol RR Transmittance (9) & R && hr Waverumbero ) b) aldehyde, ester, or ketone Transmittance (6) Wavenumber om 1) c) 1-alkyne, symmetrical internal alkyne, or nitrile