17. Sketch the 'H NMR spectrum of the following compounds: H3C. Br. CH3 CH3 Br H3C 0. CHS CH3 H3C H3C CH3

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Chapter1: Chemical Foundations
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17,19,20
17. Sketch the 'H NMR spectrum of the following compounds:
18. Sketch the 13C NMR spectra of the compounds in Question 17.
H3C
Br
Br
H3C
CH3
CH3
-Cts
CH3
14
19. Explain the peaks in the following mass spectra:
a. 2-pentanone: m/e 86, 71, 57, 43 (100 %)
b. 1,2-dichloroethane: m/e 100, 98, 64, 62 (100 %), 51, 49, 27
e Bromocyclohexane: m/e 163, 161 (both very small), 83 (100 %), 55,41
20. How would you decide which isomer is which using 'H NMR spectroscomy?
a. Diethyl ether and butanol
b. Ethyl acetate and methyl propanoate
c. Ethylbenzene and p-xylene (1,4-dimethylbenzene)
d. 2-Hexene and 3-hexene
Recrysta
What Is It G
Let's begin
if the chun
rystals cou
tystals lik
urse, this
ly be acc
Hit bece
ality,
has
an
Transcribed Image Text:17. Sketch the 'H NMR spectrum of the following compounds: 18. Sketch the 13C NMR spectra of the compounds in Question 17. H3C Br Br H3C CH3 CH3 -Cts CH3 14 19. Explain the peaks in the following mass spectra: a. 2-pentanone: m/e 86, 71, 57, 43 (100 %) b. 1,2-dichloroethane: m/e 100, 98, 64, 62 (100 %), 51, 49, 27 e Bromocyclohexane: m/e 163, 161 (both very small), 83 (100 %), 55,41 20. How would you decide which isomer is which using 'H NMR spectroscomy? a. Diethyl ether and butanol b. Ethyl acetate and methyl propanoate c. Ethylbenzene and p-xylene (1,4-dimethylbenzene) d. 2-Hexene and 3-hexene Recrysta What Is It G Let's begin if the chun rystals cou tystals lik urse, this ly be acc Hit bece ality, has an
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