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exam_2_Afternoon - CHEM 2312 Feb 16th 2005 Afternoon Test...

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1 CHEM 2312 Feb. 16 th 2005 : Afternoon Test Exam2 NAME: Roll#: Section: . The exam is designed to be completed in 50 minutes or less. This is a closed book exam. The value of each question is denoted by each question. A complete exam requires answers to all 7 questions. PLEASE PUT YOUR NAME/ID ON EACH PAGE 1. Identify which compound is the dominant product for each reaction described below. Place your answer in the corresponding box (total of 12 marks, 4 marks/reaction) OH OH O 1. NaOH 2. CO 2 3. H + A1 A2 A3 A4 B1 B2 B3 B4 O OH O 1. NaOH 2. Reflux C1 C2 C3 C4 OH Br OH OH OH O OH O OH HO OH O OH H 2 SO 4 OH O OH SO 3 H O O O O HO 3 S SO 3 H SO 3 H Fuming A3 B2 C3
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2 CHEM 2312 Feb. 16 th 2005 Exam2 NAME: Roll#: Section: . 2. Circle the letter on the right which corresponds to the answer to each question. There is only one correct answer for each question. (total of 16 marks, 4 marks/question) (i) Which of the following is an ortho/para directing substituent on an aromatic ring? E1 E1. –NEt 2 E2. –NO 2 E3. –N + Et 3 E4. –CO 2 Et (ii)
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