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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Transcribed Image Text:2. READ THE DIRECTIONS TO EACH QUESTION CAREFULLY - not following the directions means you get the question wrong!
3. FORMAT YOUR ANSWERS AS DIRECTED - formatting your answers incorrect means you get the question wrong!
4. Below are the IR regions and NMR chemical shifts table for use with the spectroscopy problems:
'H NMR
12 11
R
20
ΟΞΟ
10
OH R
0=C
H
9 8
7
ppm
6
OH
H C=C-H
5
NH
H-C-X
H-C-O
-OH
X = F, Cl, Br
(i.e. electronegative atom)
3
-NH
2
H-C-N
H-C-S
HC-
1
-CH3
-CH₂-
CEC-H
H-C-C=O -CH
H-C-C=C
0
4000
DID
small range
range of values
broad peak
=C-H
⇓
3250-
3300
N-H
broad with spikes
-3300
-O-H
broad-3300
-3400
3500
-O-H -CEN
N-H CO
I, I
=C
H
2730-
2820
道
H
3000- 2 peaks
3100
-C-H
2850-
2960
0
-C-O-H
broad-3000
3000
usually
strong
-CEN
B
2200
-CICH
3
2200
2500
wavenumber, cm-¹
2000
C
C
HC N
1680
OR
1730
200
C.
H
1600-
1660
0.585
1710
C.
NA₂
1650
3
1600
O
1500
***
1000

Transcribed Image Text:What functional group below gives IR signals at 1700 cm¹ and 2510-3000 cm³¹?
Alcohol
Aldehyde
O Ketone
Carboxylic Acid
O Amide
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