4. (22 Points) The IR spectrum and proton NMR spectrum for a compound with molecularformula C,HO is given below.IR Spectrumthis40003000200016001200800v (om)H NMR Spectrum(400 M CDO, onpersion soaleexpansons1o es om106.3.8 (ppm)a. How many unsaturations are in the compound?b. What functional group is responsible for the 1715 cm in the IR?c. Fill in the following table to assign the proton NMR spectrum. Circle the hydrogens ineach structural fragment you place in the Proton Interpretation box that are responsiblefor the chemical shift.#HJ. HzProton Interpretation8, ppm0.986.2.21m2.312.9.75a. Put the structure of unknown CH0 in the following box.

(a) In this compound, one unsaturation where the carbon linked to the oxygen atom by a double bond…

Answered: (22 Points) The IR spectrum and proton…

(22 Points) The IR spectrum and proton NMR spectrum for a compound with molecular formula C,HO is given below. Spectum 3000 2000 1800 V om 1200 400 HNMR Specum CDo, e 22 TME

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.

Question

4. (22 Points) The IR spectrum and proton NMR spectrum for a compound with molecular
formula C,HO is given below.
IR Spectrum
this
4000
3000
2000
1600
1200
800
v (om)
H NMR Spectrum
(400 M CDO, on
persion soale
expansons
1o es om
10
6.
3.
8 (ppm)
a. How many unsaturations are in the compound?
b. What functional group is responsible for the 1715 cm in the IR?
c. Fill in the following table to assign the proton NMR spectrum. Circle the hydrogens in
each structural fragment you place in the Proton Interpretation box that are responsible
for the chemical shift.
#H
J. Hz
Proton Interpretation
8, ppm
0.98
6.
2.21
m
2.31
2.
9.75
a. Put the structure of unknown CH0 in the following box.

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