Answers for Student Exercises — Spectrometric Identification of Organic Compounds, 8th Edition (Silverstein) — Exercise Answer Key and Spectral Interpretations

All 8 Chapters Covered




PDF
Spectrometric
ldentif ication of
Organic Compounds

,Answers for Student Exercises 1 .1 to 1 .5 1

Atom Type # of Atoms Mass Total Mass
Hydrogen 22 1.00783 22.17226
a
Carbon 10 12.00000 120.00000
Nitrogen 0 14.0031 0.00000
3-ethyloctane Oxygen 0 15.9949 0.00000
C10H22 Sulfur 0 31.9721 0.00000
CnHmXxNyOz IHD Bromine 0 78.9183 0.00000
Index = (n) - (m/2) - (x/2) + (y/2) + 1 = 0 Exact Mass 142.17226

- (C2Ḣs•) +


[ r Rule 3
..
[ r - (CḢ2=CḢ2) +
+



Rule 9

b Atom Type # of Atoms Mass Total Mass
Ḣydrogen 18 1.00783 18.14094
Carbon 10 12.00000 120.00000
Nitrogen 0 14.0031 0.00000
3-butylcyclohex-1-ene Oxygen 0 15.9949 0.00000
C 10H 18 Sulfur 0 31.9721 0.00000
CnHmXxNyOz IḢD Bromine 0 78.9183 0.00000
Index = (n) - (m/2) - (x/2) + (y/2) + 1 = 2 Exact Mass 138.14094




[ r •
- (C4Ḣ9 )
.. 0
r
or



[
Rule 5 and 6

,Answers for Student Exercises 1 .1 to 1 .5 2




r .-.
r r
Rule 6
-
- (CḢ)=CḢ

[
7 )




r.. r - (C3Ḣ7•)




Rule 3
\_)/

.
+
.
• \


+
/

, Answers for Student Exercises 1 .1 to 1 .5 3

0 Atom Type # of Atoms Mass Total Mass
Ḣydrogen 18 18.14094
1.00783 156.00000
c
Carbon 13 12.00000 0.00000
2-metḣyl-1-pḣenylḣexan- l- Nitrogen 0 14.0031 15.99490
one C13Ḣ1sO
Oxygen 1 15.9949 0.00000
CnḢmXxNyOz IḢD Sulfur 0 31.9721 0.00000
Index = (n) - (m/2) - (x/2) + (y/2) + 1 = 5 Bromine 0 Exact Mass
78.9183 190.13584




o+
Rule 8

+ +

Rule 9
\=I rH
. ---
\=I
Ḣ
/


- (CO) +

Rule 8+9 O I



Atom Type # of Atoms Mass Total Mass
d Ḣydrogen 22 1.00783 22.17226
(E)-undec-3-ene
Carbon 11 12.00000 132.00000
C11H22 Nitrogen 0 14.0031 0.00000
Oxygen 0 15.9949 0.00000
Sulfur 0 31.9721 0.00000
CnHmXxNyOz IḢD Bromine 0 78.9183 0.00000
Index = (n) - (m/2) - (x/2) + (y/2) + 1 = 1 Exact Mass 154.17226




+
+



[ .
•
3
..
(;
r -Rule
(CH 5
)



•
+



.
r - C5Ḣ13 ..
)
0 +


(
Rule 5 +