1e03-tut7a-q

1e03-tut7a-q - Chem 1E03 Tutorial # 7a - Review for Test 2...

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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 5. Which one of the following statements is false ? A) 2 NO 2 (g) N 2 O 4 (g) is endothermic. B) The dissolution of a salt in water can be endothermic or exothermic. C) All specific heat capacities are > 0. D) CO 2 (s) CO 2 (g) is endothermic. E) CO 2 (s) CO 2 (g) does work on the surroundings. 12. Choose the TRUE statement concerning the Lewis structure of nitrosyl chloride, ONCl (N is the central atom): A) The molecule is linear. B) The molecule contains 4 bonding electron pairs. C)
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1e03-tut7a-q - Chem 1E03 Tutorial # 7a - Review for Test 2...

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