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Infrared Spectrum Initial Analysis Weak Signal Paste the IR spectrum below and label the mportant peaks. 103 102 100 98 96 94 92 Strong Signal 1077.141. 90 2961.02om1, 90.40NT 88 * 86 1499em1, ONT 84 151koom 6.20 143emit. 4.4 74 34.4.40%T 921.45em-1, 8poNT 82 751om-1, 33NT 80 112omt, 80 INT 1 23om1. 80.7ENT 50.s0om-1, 80.soNT 78 11Bom1, 7.6NT 76 1691.77om1, 7761NT 74 44 1200.oomt, 75.6ONT Lem ks unknown #27 2/18/20 72 1336.e. 70.19NT 70 694 4000 3500 3000 2500 2000 1500 1000 700 cm-1

Infrared Spectrum Initial Analysis Weak Signal Paste the IR spectrum below and label the mportant peaks. 103 102 100 98 96 94 92 Strong Signal 1077.141. 90 2961.02om1, 90.40NT 88 * 86 1499em1, ONT 84 151koom 6.20 143emit. 4.4 74 34.4.40%T 921.45em-1, 8poNT 82 751om-1, 33NT 80 112omt, 80 INT 1 23om1. 80.7ENT 50.s0om-1, 80.soNT 78 11Bom1, 7.6NT 76 1691.77om1, 7761NT 74 44 1200.oomt, 75.6ONT Lem ks unknown #27 2/18/20 72 1336.e. 70.19NT 70 694 4000 3500 3000 2500 2000 1500 1000 700 cm-1

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter8: Molecules And Materials
Section: Chapter Questions
Problem 8.22PAE
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organic chemistry II 

please label the important peaks for me and explain why 

Word File Edit View Insert Format Tools Table Window Help 98% Tue 6:38 PM Angel Q Unknown Report (1) Qv Search in Document Home Insert Design Layout References Mailings Review View Share Times New Ro... 12 A- A♥ AaBbCcDdE AaBbCcDdE AaBbCcDc AaBbCcDdEe AaBbCcDdEe В I U abe X2 x2 A Styles Pane Paste Normal No Spacing Heading 1 Heading 2 Heading 3 Infrared Spectrum Initial Analysis Weak Signal Paste the IR spectrum below and label the important peaks. Cut 103- 102- 100- 98- 96- 94- 92- Strong Signal 1077.14tm-1, 92 90- 2961.02cm-1, 90.46%T 88- 86- 1406.99cm-1, 85 83%T 84- 151840cm-1. 86.26%T 149.38cm-1, 84.45% 74.34cr-1. 84.40%T 921.45cm-1, 8396%T 82- 753 31cm-1, sk.33%T 80- 111.12cm-1, 80,91%T 1593.23cm-1, 80.75%T 850.80cm-1, 80.56%T 19018cm-1, 79.64%T 78- 76- 1691.77cm-1, 77.61%T 74- 1288.0cm-1, 75.60%T em ks unknown #27 2/18/20 72- 1336.85cn-1, 70.15%T 70- 69+ 4000 3500 3000 2500 2000 1500 1000 700 cm-1 Name Description Terry 926 Sample 926 By Terry Date Tuesday, Februar.. Page 2 of 8 625 Words English (US) + 204% FEB Ctv 4 W lili 1%
Transcribed Image Text:Word File Edit View Insert Format Tools Table Window Help 98% Tue 6:38 PM Angel Q Unknown Report (1) Qv Search in Document Home Insert Design Layout References Mailings Review View Share Times New Ro... 12 A- A♥ AaBbCcDdE AaBbCcDdE AaBbCcDc AaBbCcDdEe AaBbCcDdEe В I U abe X2 x2 A Styles Pane Paste Normal No Spacing Heading 1 Heading 2 Heading 3 Infrared Spectrum Initial Analysis Weak Signal Paste the IR spectrum below and label the important peaks. Cut 103- 102- 100- 98- 96- 94- 92- Strong Signal 1077.14tm-1, 92 90- 2961.02cm-1, 90.46%T 88- 86- 1406.99cm-1, 85 83%T 84- 151840cm-1. 86.26%T 149.38cm-1, 84.45% 74.34cr-1. 84.40%T 921.45cm-1, 8396%T 82- 753 31cm-1, sk.33%T 80- 111.12cm-1, 80,91%T 1593.23cm-1, 80.75%T 850.80cm-1, 80.56%T 19018cm-1, 79.64%T 78- 76- 1691.77cm-1, 77.61%T 74- 1288.0cm-1, 75.60%T em ks unknown #27 2/18/20 72- 1336.85cn-1, 70.15%T 70- 69+ 4000 3500 3000 2500 2000 1500 1000 700 cm-1 Name Description Terry 926 Sample 926 By Terry Date Tuesday, Februar.. Page 2 of 8 625 Words English (US) + 204% FEB Ctv 4 W lili 1%
Expert Solution
Step 1
  • Infrared(IR) spectroscopy:- IR helps in determining the functional groups (example- ketone, alcohol, amine group etc.) present in compound/sample given.
  • IR range which actually helps in determining the functional groups=1500cm-1 to 4000cm-1
  • In this spectroscopy, one more region exists which is known as the Fingerprint region (FR region) which has a range from 500cm-1 to 1500cm-1.
  • The FR region is unique to every molecule or compound and therefore named as, fingerprint region because fingerprints are also unique to every human.
  • But the FR region is very complex to study and therefore, we study only the IR region (from 4000cm-1 to 1500cm-1).
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