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Unformatted text preview: Name: ____________________ Student number: ______________ Page 1 of 26 Version # 1 Continued on next page Chemistry 1A03 Test 2 November 9, 2007 McMaster University VERSION 1 Instructors: P. Britz-McKibbin, G. Goward, P. Lock Duration: 120 minutes This test contains 26 numbered pages printed on both sides. There are 30 multiple-choice questions appearing on pages numbered 3 to 21. Pages 22-24 are extra space for rough work. Page 25 includes some useful data and equations, and there is a periodic table on page 26. You may tear off the last page to view the periodic table and the data provided. You must enter your name and student number on this question sheet, as well as on the answer sheet . Your invigilator will be checking your student card for identification. You are responsible for ensuring that your copy of the question paper is complete. Bring any discrepancy to the attention of your invigilator. Questions 1 to 23 are each worth 2 marks, questions 24 30 are each worth 3 marks; the total marks available are 67. There is no additional penalty for incorrect answers. BE SURE TO ENTER THE CORRECT VERSION OF YOUR TEST (shown near the top of page 1), IN THE SPACE PROVIDED ON THE ANSWER SHEET. ANSWER ALL QUESTIONS ON THE ANSWER SHEET, IN PENCIL. Instructions for entering multiple-choice answers are given on page 2. SELECT ONE AND ONLY ONE ANSWER FOR EACH QUESTION from the answers (A) through (E). No work written on the question sheets will be marked . The question sheets may be collected and reviewed in cases of suspected academic dishonesty. Academic dishonesty may include, among other actions, communication of any kind (verbal, visual, etc .) between students, sharing of materials between students, copying or looking at other students work. If you have a problem please ask the invigilator to deal with it for you. Do not make contact with other students directly. Try to keep your eyes on your own paper looking around the room may be interpreted as an attempt to copy. Only Casio FX 991 electronic calculators may be used; but they must NOT be transferred between students. Use of periodic tables or any aids, other than those provided, is not allowed. Name: ____________________ Student number: ______________ Page 3 of 26 Version # 1 Continued on next page See page 2 of the exam for instructions. Questions 1-23 are worth two (2) marks each. 1. Which of the following is the conjugate base of H 2 PO 4 ? (A) PO 4 3 (B) HPO 4 2 (C) H 3 PO 4 (D) H 4 PO 4 + (E) OH 2. Equal sized pieces of sodium, magnesium, and cesium are placed in individual flasks containing water. Predict the order in which you think the metals would react, from most reactive to least reactive ....
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