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Structural Identification and Practical Organic Chemistry
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Degree of unsaturation and spectroscopic clues
JEE Main level
Numerical answer
Difficulty 2 of 3
si068
Calculate the degree of unsaturation of
C
X
9
H
X
10
ClNO
X
3
(give the nearest integer).
Numerical answer type, tolerance 0.5.
Answer: 5
Degree of unsaturation
=
(
2
C
+
2
+
N
−
H
−
X
)
/2
. Substituting
C
=
9
,
H
=
10
,
N
=
1
,
X
=
1
gives
(
18
+
2
+
1
−
10
−
1
)
/2
=
5
.
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