2002 AP Chemistry Exam KEY - 2002 AP Chemistry Exam - KEY...

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Unformatted text preview: 2002 AP Chemistry Exam - KEY Questions 1-2 Consider atoms of the following elements. Assume that the atoms are in the ground state. (A) S (B) Ca (C) Ga (D) Sb (E) Br A 63% 1. The atom that contains exactly two unpaired electrons C 70% 2. The atom that contains only one electron in the highest occupied energy sublevel Questions 3-5 refer to the following molecules. (A) CO 2 (B) H 2 (C) CH 4 (D) C 2 H 4 (E) PH 3 D 74% 3. The molecule with only one double bond B 54% 4. The molecule with the largest dipole moment E 75% 5. The molecule that has trigonal pyramidal geometry (1) Copyright 2002 by College Entrance Examination Board, Princeton, NJ. All rights reserved. For face-to-face teaching purposes, classroom teachers are permitted to reproduce the questions. Web or Mass distribution prohibited. (2) AP and Advanced Placement Strategies are registered trademarks of the College Entrance Examination Board and are used under license by AP Strategies, Inc. The College Entrance Examination Board was not involved in the production of and does not endorse this product. Permission is granted for individual classroom teachers to reproduce the activity sheets and illustrations for their own classroom use. Any other type of reproduction of these materials is strictly prohibited. Questions 6-7 refer to the following solid compounds. (A) PbSO 4 (B) CuO (C) KMnO 4 (D) KC1 (E) FeCl 3 C 55% 6. Is purple in aqueous solution D 61% 7. Is white and very soluble in water Questions 8-10 refer to the following gases at 0C and 1 atm. (A) Ne (B) Xe (C) O 2 (D) CO (E) NO D 41% 8. Has an average atomic or molecular speed closest to that of N 2 molecules at 0C and 1 atm B 71% 9. Has the greatest rate of effusion through a pinhole A 59% 10. Has the greatest rate of effusion through a pinhole (1) Copyright 2002 by College Entrance Examination Board, Princeton, NJ. All rights reserved. For face-to-face teaching purposes, classroom teachers are permitted to reproduce the questions. Web or Mass distribution prohibited. (2) AP and Advanced Placement Strategies are registered trademarks of the College Entrance Examination Board and are used under license by AP Strategies, Inc. The College Entrance Examination Board was not involved in the production of and does not endorse this product. Permission is granted for individual classroom teachers to reproduce the activity sheets and illustrations for their own classroom use. Any other type of reproduction of these materials is strictly prohibited. Questions 11-14 refer to the reactions represented below. (A) H 2 SeO 4 (aq) + 2 Cl- (aq) + 2 H + (aq) H 2 SeO 3 (aq) + Cl 2 (g) + H 2 O( l ) (B) S 8 (s) + 8 O 2 (g) 8 SO 2 (g) (C) 3 Br 2 (aq) + 6 OH- (aq) 5 Br- (aq) + BrO 3- (aq) 3 H 2 O( l ) (D) Ca 2+ (aq) + SO 4 2- (aq) CaSO 4 (s) (E) PtCl 4 (s) + 2 Cl- (aq) PtCl 6 2- (aq) D 82% 11. A precipitation reaction E 30% 12. A reaction that produces a coordination complex C 67% 13. A reaction in which the same reactant undergoes both oxidation and reduction13....
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This note was uploaded on 03/13/2010 for the course CHEM 100 taught by Professor Bill during the Spring '10 term at Indian Institute of Technology, Roorkee.

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2002 AP Chemistry Exam KEY - 2002 AP Chemistry Exam - KEY...

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