quiz1-2000-2001 - different compounds? (5 points) CHCHCH 3...

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v1.1 Quiz #1, CHEM 111, Fall Semester, 2000/2001 Student Name: Student ID #: Section: Note: You are required to complete all questions independently and reference materials are prohibited. Total marks for this quiz is 50 points. Question 1: Calculate the formal charges on O ad B atoms in the given complex below. (10 points) (CH 3 ) 2 OB F 3 Answer: Question 2: Draw all valid resonance structures for the indicated species. (15 points) Answer: Question 3: In the following set, which structures represent the same compounds and which represent
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Unformatted text preview: different compounds? (5 points) CHCHCH 3 CH 3 CH 3 HOCH 2 CHCH 2 OH CHCH 2 CH 3 CH 3 CH 2 CH 3 CHCH(CH 3 ) 2 CH 3 HOCH 2 a b c Answer: Question 4: Which of the following reagents are likely to act as Lewis acids or Lewis bases? (10 points) CH 3 –S–CH 3 BH 3 CH 3 CH 2 NH 2 AlBr 3 TiCl 4 Answer: Question 5: What shape do you expect the following species to have? (10 points) NH 4 + H 2 C=O Answer:...
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This note was uploaded on 02/27/2010 for the course CHEM CHEM111 taught by Professor Dai during the Fall '06 term at HKUST.

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