2010 midterm blank - Chem 2223b Midterm Test Saturday,...

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Chem 2223b Midterm Test Saturday, March 6, 2010 2 h 15 min Section code 000 Exam code 111 Message from the Dean: All answer sheets are subject to a common data analysis which identifies anomalies of statistical significance in the selection of right and wrong answers by pairs of students. The course instructor is required to report all statistically significant results which suggest that cheating may have occurred. All such incidents will be subject to further investigation. All proven cases of cheating will be subject to severe academic penalties. If you are currently seated near someone with whom you studied, and you think you may choose many of the same answers as that person, please raise your hand now and ask a proctor to reseat you. This test contains 40 multiple-choice questions of equal weight. Be sure you have a complete test paper. Scrap paper and data are attached, and they may be removed from the booklet for use. Place your student ID card on your desk. No electronic devices may be in your possession, even for timekeeping purposes. Molecular models are permitted, but models or pieces cannot be shared with others. Proctors and instructors will not interpret, translate, clarify, or explain questions, nor will they confirm, verify, or assist you with your answers or your thinking. Therefore, you are not permitted to ask any questions related to the content of the test. There is no extra time allotted for filling in the Scantron. After 2 hours and 15 minutes, everyone must put their pencils down. The Scantron, whether completed or not, will be collected. Under no circumstances will this booklet be used for marking purposes. The answers on your Scantron are considered to be your official answers, so please ensure that you complete your Scantron accurately, and prior to the end of the test. Answers that cannot be read by the Scantron computer will be marked as wrong. If you do not leave before the last 15 minutes, you must stay in your seat until you are dismissed. NO TALKING IS ALLOWED AT ANY TIME. You are welcome to keep the question booklet and any scrap sheets.
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Chemistry 2223b Midterm Test, 2010 Page 1 1. Which of the statements about the compounds shown below is/are correct? NO 2 XY Z 1. Compound Z has the largest HOMO-LUMO gap. 2. Compound X has the longest wavelength of maximum absorption. 3. Compound Y absorbs light of a lower energy than compound X . A) 1 and 2 only B) 2 and 3 only C) All statements are correct D) 1 only E) 3 only 2. Shown below is the structure of adriamycin , a frontline anticancer agent used for the treatment of breast cancer. Which one of A – E best describes the type of chromophore present in adriamycin ? A) Benzoquinone B) Diarylazo group C) Triarylmethane D) Aminoglycoside E) Porphyrin O O NH 2 OH H 3 C O OCH 3 O O CH 2
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Chemistry 2223b Midterm Test, 2010 Page 2 3. Adriamycin appears red when illuminated with white light. What is the colour of light that is most likely absorbed by adriamycin ?
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2010 midterm blank - Chem 2223b Midterm Test Saturday,...

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