Ch04_molecular geometry and bonding theory.pdf - General Chemistry 4.1 Covalence Bonding 4.1.1 Covalence bonding theory 4 1 For a molecule with the

Ch04_molecular geometry and bonding theory.pdf - General...

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General Chemistry Chapter 4: Molecular geometry and bonding theory 1 | P a g e L . M V i e n 4.1. Covalence Bonding 4.1.1 Covalence bonding theory 4. 1. For a molecule with the formula 2 AB the molecular shape is __________. A) linear or bent B) linear or trigonal planar C) linear D) trigonal planar 4. 2. According to VSEPR theory, if there are five electron domains in the valence shell of an atom, they will be arranged in a(n) __________ geometry. A) octahedral B) linear C) tetrahedral D) trigonal planar E) trigonal bipyramidal 4. 3. According to VSEPR theory, if there are four electron domains in the valence shell of an atom, they will be arranged in a(n) __________ geometry. A) octahedral B) linear C) tetrahedral D) trigonal planar E) trigonal bipyramidal 4. 4. The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively. A) trigonal bipyramidal, trigonal planar B) tetrahedral, trigonal pyramidal C) trigonal bipyramidal D) octahedral, trigonal planar E) trigonal planar 4. 5. The molecular geometry of __________ is square planar. A) 4 CCl B) 4 XeF C) 3 PH D) 2 XeF E) 3 ICl 4. 6. The molecular geometry of the 2 CS molecule is __________. A) linear B) bent C) tetrahedral D) trigonal planar 4. 7. The molecular geometry of the 2 2 SiH Cl molecule is __________. A) trigonal planar B) tetrahedral C) trigonal pyramidal D) octahedral 4. 8. The molecular geometry of the 2 PHCl molecule is __________. A) bent B) trigonal planar C) trigonal pyramidal D) tetrahedral 4. 9. The molecular geometry of the 3 CHCl molecule is __________. A) bent B) trigonal planar C) trigonal pyramidal D) tetrahedral 4. 10. The molecular geometry of the 2 SF molecule is __________. A) linear B) bent C) trigonal planar D) tetrahedral E) octahedral
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General Chemistry Chapter 4: Molecular geometry and bonding theory 2 | P a g e L . M V i e n 4. 11. The molecular geometry of the 4 PF ion is __________. A) octahedral B) tetrahedral C) trigonal pyramidal D) trigonal planar E) trigonal bipyramidal 4. 12. The F B F bond angle in the 2 BF on is approximately __________. A) 90 ° B) 109.5 ° C) 120 ° D) 180 ° E) 60 ° 4. 13. The Cl-Si-Cl bond angle in the 2 2 SiCL F molecule is approximately __________. A) 90 ° B) 109.5 ° C) 120 ° D) 180 ° E) 60 ° 4. 14. The F-B-F bond angle in the 3 BF molecule is __________. A) 90 ° B) 109.5 ° C ) 120 ° D) 180 ° E) 60 ° 4. 15. The O-S-O bond angle in 2 SO is slightly less than __________. A) 90 ° B) 109.5 ° C) 120 ° D) 180 ° E) 60 ° 4. 16. The F-N-F bond angle in the 3 NF molecule is slightly less than __________. A) 90 ° B ) 109.5 ° C) 120 ° D) 180 ° E) 60 ° 4. 17. The molecular geometry of the 3 H O ion is __________. A) linear B) tetrahedral C) bent D) trigonal pyramidal E) octahedral 4. 18. According to valence bond theory, which orbitals on bromine atoms overlap in the formation of the bond in 2 Br ? A) 3s B) 3p C) 4s D) 4p E) 3d 4. 19. The electron-domain geometry of a sulfur-centered compound is trigonal bipyramidal. The hybridization of the central sulfur atom is __________. A) sp B) 2 sp C) 3 sp D) 3 sp d E) 3 2 sp d 4. 20. The hybridization of orbitals on the central atom in a molecule is sp. The electron-domain geometry around this central atom is __________.
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