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as 360 arm 8001 WHENTIMER 12 BOUT T 14 لا B OH 1500 Ho ** A 3 Figme #-3 ا الباب السائل من الانه

as 360 arm 8001 WHENTIMER 12 BOUT T 14 لا B OH 1500 Ho ** A 3 Figme #-3 ا الباب السائل من الانه

Chemistry
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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wwwwwwwwwal wit shar Figure 4-3 3 A 2000 но + TWIT4 1500 OH B E O: 4 *tos 4 LL OH VENI CHEIKINDI 1917 STO
Transcribed Image Text:wwwwwwwwwal wit shar Figure 4-3 3 A 2000 но + TWIT4 1500 OH B E O: 4 *tos 4 LL OH VENI CHEIKINDI 1917 STO
See Figure 4-3. Match each IR spectrum to the best structure. 1 2 3 4 [Choose ] [Choose ] [Choose ] [Choose ] ♦
Transcribed Image Text:See Figure 4-3. Match each IR spectrum to the best structure. 1 2 3 4 [Choose ] [Choose ] [Choose ] [Choose ] ♦
Expert Solution
Step 1: Functional Group Identification

In Graph 1:

There are two main peaks.

  1. Peak at around 1700 cm-1 which shows the presence of carbonyl group  (-C=O)
  2. Peak at around 2750 cm-1 which shows the presence of C-H stretching of the aldehyde functional group

Based on this compound should have aldehyde group 


In Graph 2)

There are two main peaks.

  1. Peak at around 1700 cm-1 which shows the presence of carbonyl group  (-C=O)
  2. Peak at around 3000 cm-1 broad peak which shows the presence of carboxylic acid group (-COOH)

Based on this compound should have carboxylic acid group 



In Graph 3)

There are two main peaks.

  1. Peak at around 1700 cm-1 which shows the presence of carbonyl group  (-C=O)
  2. Peak at around 3300 cm-1 broad peak which shows the presence of hydroxyl group (-OH)

Based on this compound should have carbonyl group and hydroxyl group



In Graph 4)

There are one main peaks.

  1. Peak at around 3300 cm-1 broad peak which shows the presence of hydroxyl group (-OH)

Based on this compound should have hydroxyl group  but no carbonyl group ( as absent of peak at 1700cm-1)

 


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