CHE 321 Final: CHE 321 SBU CHE321 ExamFinal 16
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Questions 19-30 are short answer questions with points as indicated. Write out your answers in the indicated place on the answer form. Alkynyl: c-h (stretching) ~3300 cm-1 aldehyde: c=o (stretching) 1690-1740 cm-1. Alkenyl: =c-h (stretching) 3010-3095 cm-1 ketone: c=o (stretching) 1680-1750 cm-1. Aldehyde: c-h (stretching) 2700-2770 cm-1 alcohol/ether: c-o (stretching) 1020-1275 cm-1. Approximate chemical shift ranges (in ppm) in 1h-nmr. Identify the compound that gives the following ir spectrum. Identify the most acidic h atom in the compound shown below. P a g e | 6: the pka of phenol is 10. What is g for the following reaction in kj/mol: -570 b. 57 c. -5. 7 d. 5. 7 e. 57 f. 570: the compound shown below is ibufenic a drug closely related to the much more common drug ibuprofen. A 7 b 8 c 9 d 10 e 11 f 12: six different protonation states of the amino acid tyrosine are shown below.
