chm256exam12001

chm256exam12001 - Chemistry 256 - Fall 2001 Exam #1 Please...

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Unformatted text preview: Chemistry 256 - Fall 2001 Exam #1 Please read each question carefully and write only in blue or black ink. Name: 2 1. Provide the structures that correspond to the following compound names. (10 pts) a) 2,3-dichloroanisole b) 2,4,6-trinitrotoluene 2. Provide the IUPAC name that corresponds to the following structures. (10 pts) a) b) 3. Calculate the extinction coefficient for the amino acid Tryptophan based on the following information. Dont forget to give the units for the extinction coefficient. (8 pts) a solution of Tryptophan was prepared that was 0.5 M a sample holder was used with a 1 cm path length an absorbance of 1.5 was obtained at the max value of 280 nm Extinction coefficient ( ) = Br HO O Br 3 4. Circle the compound that corresponds to the IR spectrum below. Assign the vibration associated with the 3 starred peaks. (14 pts) Wavenumbers (cm-1 ) Peak #1: Peak #2: Peak #3: 5. Predict the following for the 4 sets of chemically non-equivalent hydrogens in the structure below:...
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chm256exam12001 - Chemistry 256 - Fall 2001 Exam #1 Please...

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