Which end of the bonds Si Cl At Br and Hg P are positively charged A Si At P B

Which end of the bonds si cl at br and hg p are

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13. Which end of the bonds Si-Cl. At-Br, and Hg-P are positively charged? (A) Si, At, P (B) Cl, At, Hg (C) Si, At, Hg (D) Cl, Br, P 14. Assuming the VSEPR theory, which of the following molecules or ions would you expect to be polar? 15. The neutral molecule XCl3is found to have zero dipole moment. The element X is 16. The approximate OSO angle in the SO2molecule is 17. The geometry of a molecule is best described in terms of the locations of the atomic nuclei. What geometries are possible for compunds whose bonding can be described using sp3orbitals? (A) Trigonal planar or bent (B) Tetrahedral, bent, or trigonal bipyramidal (C) Square planar, tetrahedral, or trigonal planar
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(D) Trigonal bipyramidal or seesaw 18. A solution of which compund in water will best conduct electricity? 19. Which contains the shortest OO bond? 20. What is the probable shape of RnCl3+? 21. The length of the S-S bond in S2O32¯ is 2.01 A, in S2O42¯ is 2.39 A, in S2is 1.89 A, and in S8is 2.07 A. Which compound will require the most energy to break the S-S bond? (A) S2O32¯ (B) S2O42¯ (C) S2(D) S822. Which species would be a free radical? 23. Which will be about equally soluble in water or in 0.1 M HCl? 24. The oxidation state of which element is normally 2+, but can be as large as 7+?
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25. A colorless crystalline solid melts below 150 °C. and dissolves in water to give a nonconducting solution. The solid may be (A) salt, NaCl (B) sand, SiO2(C) propane, C3H8(D) glucose, C6H12O626. The products of the electrolysis of molten MgBr2are (A) H2(g) and O2(g) (B) H2(g) and Br2(g) (C) Mg(l) and O2(g) (D) Mg(l) and Br2(g) 27. SO2is an example of 28. In the reaction between the hydrogen sulfate ion and water, HSO4¯ ---> H3O++ SO42¯, the water acts as 29. An amphoteric substance
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