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Hi, I need help on my practice final, If you could offer strategies and dumb it down for me with an explanation on how to solve that would be amazing and beneficial.
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- For each compound, give the number of 1H NMR signals and then determine how many peaks are present for each NMR signal.Which carbon would have a signal farthest downfield in the 13C NMR spectrum for this molecule? d. CI H. C. a O A. a B. b OD.d E. eHow many signals are present in the 1H NMR spectrum for each molecule? What splitting is observed in each signal?
- a. How many signals are in its 13C NMR spectrum?b. Which signal is at the lowest frequency? CH3CH2CH2Br1. There are four structural isomers of C4H9Cl. Two of the four can be quickly distinguished using 13C NMR, whereas the other two would produce the same number of 13C NMR signals. a. Draw the isomer that would show three distinct signals in the 13C NMR. b. Draw the isomer that would show two distinct signals in the 13C NMR. c. Draw the two isomers that would show four distinct signals in the 13C NMR.How many signals are greater than 100 ppm in the 13C NMR? How many signals are less than 100 ppm in the 13C NMR? How many signals total in the 13C NMR?
- Draw all the constitutional isomers of octane. Name each one. For each isomer: a. State the number of different sets of carbon in the structure b. State whether each set of equivalent carbons would produce an up or down signal in the DEPT-135 NMR experiment. c. State whether each set of equivalent carbons would produce a singlet, doublet, triplet, or quartet in the Off-Resonance Decoupled Experimenta. How many signals are in its 13C NMR spectrum?b. Which signal is at the lowest frequency?Theses for structural isomers of C4 H9 CL.  two of the four can be quickly distinguish using 13 C NMR where as the other two would produce the same 13 C NMR signals. A. Draw the isomers that would show three distinct signals in the 13 CNMR. B. Draw the isomer that would show two distinct signals in the 13 C NMR. C. Draw the two isomers that would show four distinct signals in 13 C NMR. 
- How many signals are greater than 100 ppm in the 13C NMR? How many signals are less than 100 ppm in the 13C NMR? How many total signals in the 13C NMR?A compound of formula C5H12 gives 1 signal in the 1H NMR and 2 signals in the 13C NMR. The compound is a. pentane.b. 2-methylbutane.c. 2,2-dimethylpropane.d. Cannot tell without more information.2) The molecule corresponding to the NMR spectrum shown most likely contains which of the following functional groups? 9 8 7 a. Aromatic ring b. Ether c. Aldehyde d. Alkene e. Alcohol 6 5 ppm 4 3 2 1 0