rewtest2 - Chem 1E03 Tutorial #7a - Review for Test 2 21....

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Chem 1E03 Tutorial #7a - Review for Test 2 21. Which of the following statements are FALSE about the BrO 2 F molecule? (Br is the central atom.) (i) It has a permanent dipole moment. (ii) It is T-shaped about Br. (iii) There is one lone pair of electrons on Br. (iv) The octet rule is violated at Br. (v) The oxidation number of Br is +5. (vi) The average Br-O bond order is 1.5. A) iv, vi B) ii, iv C) i, v D) ii, vi E) iii, iv 19. According to the VSEPR model, which one of the following molecules should be linear ? A) H 2 CO B) SO 2 C) H 2 S D) HCN E) BF 3 16. Which one of the following molecules has no net dipole moment? (Central atoms are underlined.) A) NF 3 B) H 2 Se C) CH 3 Cl D) NO 2 E) SO 3
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9. In which of the following processes is H = U ? A) Calcium carbonate is heated to form calcium oxide and carbon dioxide in an open container. B) A sample of solid carbon dioxide (dry ice) sublimes to the gas phase. C)
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This note was uploaded on 02/18/2010 for the course ENGINEERIN 1E03 taught by Professor Okon during the Spring '10 term at McMaster University.

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rewtest2 - Chem 1E03 Tutorial #7a - Review for Test 2 21....

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