15. molecule has the smallest dipole moment? A) COCl2 B) HBr C) CS2 D) ICl3 E) NI3 16. Which molecule is pictured as containing the fewest bonds? π A) HNO2 B) HCN C) C3H4 D) CO E) C6H6 17. sp2 hybridization provides an explanation for the structure of A) O3 B) I3 C) H2SO3 D) PH3 E) OF2 18. Molecules that have a T shaped molecular structure, generally have an electron geometry that is A) T-shaped B) octahedral C) trigonal bipyramid D) tetrahedral E) trigonal planar 19. An octahedral electron geometry, when there are two lone pairs on the central atom, generally produces a molecular geometry that is A) tetrahedral B)see-saw shaped C) square planar D) square based pyramidal E) trigonal planar 20. The general rule that atoms with larger atomic radii have smaller ionization energies does not apply when comparing A) P atoms and S atoms B) B atoms and C atoms C) O atoms and S atoms D) Ne and Ar atoms E) Na atoms and Mg atoms 21. Which equation best illustrates what is meant by the electron affinity of a chlorine atom? A) Cl2(g) + energy ➞ 2 Cl(g) B) Cl(g) + energy ➞ Cl+((g) + e ➞ C) Cl(g) + e Cl- (g) + energy D) Cl+(g) + e- ➞ Cl(g) E) Cl(g) ➞ Cl(l) + energy 22. What is the formal charge on the nitrogen atom in nitric acid, HNO3 ? A) 0 B) +1 C) +2 D) +3 E) +5
15. molecule has the smallest dipole moment? A) COCl2 B) HBr C) CS2 D) ICl3 E) NI3 16. Which molecule is pictured as containing the fewest π bonds? A) HNO2 B) HCN C) C3H4 D) CO E) C6H6 17. sp2 hybridization provides an explanation for the structure of A) O3 B) I3 C) H2SO3 D) PH3 E) OF2 18. Molecules that have a T shaped molecular structure, generally have an electron geometry that is A) T-shaped B) octahedral C) trigonal bipyramid D) tetrahedral E) trigonal planar 19. An octahedral electron geometry, when there are two lone pairs on the central atom, generally produces a molecular geometry that is A) tetrahedral B)see-saw shaped C) square planar D) square based pyramidal E) trigonal planar 20. The general rule that atoms with larger atomic radii have smaller ionization energies does not apply when comparing A) P atoms and S atoms B) B atoms and C atoms C) O atoms and S atoms D) Ne and Ar atoms E) Na atoms and Mg atoms 21. Which equation best illustrates what is meant by the electron affinity of a chlorine atom? A) Cl2(g) + energy ➞ 2 Cl(g) B) Cl(g) + energy ➞ Cl+((g) + e C) Cl(g) + e ➞ Cl- (g) + energy D) Cl+(g) + e- ➞ Cl(g) E) Cl(g) ➞ Cl(l) + energy 22. What is the formal charge on the nitrogen atom in nitric acid, HNO3 ? A) 0 B) +1 C) +2 D) +3 E) +5
apbonding12.docx