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The mass spectrum below is most likely of: Note: The atomic mass of C is 12, the atomic mass of H is 1, the atomic mass of N is 14, & the atomic...
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refers to spectroscopy in organic chemistry. please answer all three questions and show/state any work. thank you!

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4.
The mass spectrum below is most likely of:
Note: The atomic mass of C is 12, the atomic mass of H is 1, the atomic mass of N is 14, & the
atomic mass of O is 16. Br exists as ~50% "Br and 50% "Br. Cl exists as ~75% "Cl and 25%
37CI.
MASS SPECTRUM
100.-
15 (72%)
50 (100%)
80
Rel. Abundance
60.-
40.-
20. -
35 (6.296)
o.-
16 (1%)
36 (1.6%)
37 (1.9%)
- 51 (3.8%) 52 (31.3%)
10
20
30
40
50
60
m/z
acyl bromide
alkyl chloride
alcohol
amine
ether
5.
The mass spectrum below is most likely of:
relative abundance
100
45
80
8 8
15
60
20
O
8 8
8
8
mass/charge (m/z)
CH3-CH2-CH2-OH
H- =a
CHJ-CH2-CH2-NH2
CH3-CH2-O-CH3
6.
Earlier, you learned that alkynes could be converted to alkanes via hydrogenation (Scheme 1).
Were you to run such a reaction in the lab, how could you use IR to determine when the
reaction was done?
Scheme 1
CH3OCH2CH2CH2
-H
H2
PU/C
CH30CH2CH2CH2CH2CH3

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