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- b) Use the C13NMR spectrum below to determine the structural formula for the compound of molecular formula C5H100. Chemical Formula: C5H1,0 140 120 PPM 220 200 180 160 100 80 60 40 205. What is the expected Chemical shift of the proton of CH₂ Connected to Cl and C=C CICH₂CH=CH₂7) Among the given 207 Pb NMR spectra, the correct spectrum due to tetramethyllead is (Given: 2 j207 pb-H = 60Hz) JL. l O ㅗ
- A 300-MHz spectrometer records a proton that absorbs at a frequency 2130 Hz downfiled from TMS.What would be the ratio N(-1/2)/N(+1/2) of the number of protons in spin state (-1/2) over (+1/2) state at a very low temperature of 3K (liquid He boiling pt) and in a 800 MHz NMR spectrometer?4. NMR: (8 pts) Look at the given molecules and answer the following questions H H Compound A Compound B Compound C OH H Compound D How many different chemical environments (number of peaks) would you expect to see in the 'H NMR for each molecule? A = B = C = D: = Predict how many sub peaks per multiplet would be seen in the signal for the indicated hydrogen due to spin-spin splitting? A = B = C = D = How many H of that particular type (integration) would you expect to see at the indicated hydrogen? A = B = C = D= =
- Which structure is consistent with the IR spectrum? LOD TRANSMITTANCE D 4000 (a) (b) (c) 3000 (d) 2000 Но, ww W HAVENURBERI-I O OH 1500 1000 5009 What compound has a formula of C5H120 * ?and a peak at 3300 cm-1 (ähäi 1) Ether Alcohol Aldehyde KetoneC2H5ClO2 elucidate thefollowing spectrum and identify the unknown compound
