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The manager of an organic chemistry stockroom prepared unknowns for a 'Ketone and Aldehyde' experiment by placing two drops of the liquid unknowns in test tubes labelled A and B. He then stored the test tubes for several days until they were needed. On the day of the experiment, the students complained the IR spectrum measured for test tube A is different from the spectrum shown by the stockroom manager at the end of the class (refer the picture below). Obviously, something has happened to the solution while being left for a few days. 6. Test tube A - manager Test tube A - students 2710 2810 3000 cm- 3000 cm- 1725 cm- stockroom managers' spectrum 1710 cm-1 students' spectrum Identify the functional group revealed by the IR spectrum of i. The stockroom manager a) ii. The students b) Explain the reason of discrepancy between the stockroom manager's spectrum and the student's results. c) Suggest how this misunderstanding might be prevented.

The manager of an organic chemistry stockroom prepared unknowns for a 'Ketone and Aldehyde' experiment by placing two drops of the liquid unknowns in test tubes labelled A and B. He then stored the test tubes for several days until they were needed. On the day of the experiment, the students complained the IR spectrum measured for test tube A is different from the spectrum shown by the stockroom manager at the end of the class (refer the picture below). Obviously, something has happened to the solution while being left for a few days. 6. Test tube A - manager Test tube A - students 2710 2810 3000 cm- 3000 cm- 1725 cm- stockroom managers' spectrum 1710 cm-1 students' spectrum Identify the functional group revealed by the IR spectrum of i. The stockroom manager a) ii. The students b) Explain the reason of discrepancy between the stockroom manager's spectrum and the student's results. c) Suggest how this misunderstanding might be prevented.

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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1 Body lext 1 Heading 1 1l Heading 2 11 List Para... T No Spac Font Paragraph Styles 2.1 3I 4.. 5.I 6.1 7.I 9-1 10.1.11. 12.1 13.1 14. I 15. 16.I 8.1 The manager of an organic chemistry stockroom prepared unknowns for a 'Ketone and Aldehyde' experiment by placing two drops of the liquid unknowns in test tubes labelled A and B. He then stored the test tubes for several days until they were needed. On the day of the experiment, the students complained the IR spectrum measured for test tube A is different from the spectrum shown by the stockroom manager at the end of the class (refer the picture below). Obviously, something has happened to the solution while being left for a few days. 6. Test tube A - manager Test tube A - students 2710 2810 3000 cm- 3000 cm 1725 cm-1 stockroom managers' spectrum 1710 cm-1 students' spectrum Identify the functional group revealed by the IR spectrum of i. The stockroom manager 11. The students a) b) Explain the reason of discrepancy between the stockroom manager's spectrum and the student's results. c) Suggest how this misunderstanding might be prevented.
Transcribed Image Text:1 Body lext 1 Heading 1 1l Heading 2 11 List Para... T No Spac Font Paragraph Styles 2.1 3I 4.. 5.I 6.1 7.I 9-1 10.1.11. 12.1 13.1 14. I 15. 16.I 8.1 The manager of an organic chemistry stockroom prepared unknowns for a 'Ketone and Aldehyde' experiment by placing two drops of the liquid unknowns in test tubes labelled A and B. He then stored the test tubes for several days until they were needed. On the day of the experiment, the students complained the IR spectrum measured for test tube A is different from the spectrum shown by the stockroom manager at the end of the class (refer the picture below). Obviously, something has happened to the solution while being left for a few days. 6. Test tube A - manager Test tube A - students 2710 2810 3000 cm- 3000 cm 1725 cm-1 stockroom managers' spectrum 1710 cm-1 students' spectrum Identify the functional group revealed by the IR spectrum of i. The stockroom manager 11. The students a) b) Explain the reason of discrepancy between the stockroom manager's spectrum and the student's results. c) Suggest how this misunderstanding might be prevented.
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