SOLVED

71) Place the following in order of increasing F-A-F bond angle, where A represents the central atom in each molecule. PF3OF2PF4? A) PF3 < OF2 < PF4? B) OF2 < PF3 < PF4? C) OF2 < PF4? < PF3 D) PF4? < OF2 < PF3 E) PF4? < PF3 < OF2 72) Place the following in order of decreasing X-A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule. N2ONCl3NO2? A) NCl3 > NO2? > N2O B) NO2? > N2O > NCl3 C) N2O > NO2? > NCl3 D) NCl3 > N2O > NO2? E) N2O > NCl3 > NO2? 73) Place the following in order of decreasing X-A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule. CS2CF4SCl2 A) CS2 = SCl2 > CF4 B) SCl2 > CF4 > CS2 C) CF4 > CS2 > SCl2 D) CS2 > CF4 > SCl2 E) CF4 > CS2 > SCl2 74) Place the following in order of increasing X-A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule.             HCNH2OH3O? A) HCN < H2O < H3O? B) H3O? < H2O < HCN C) HCN < H3O? < H2O D) H2O < HCN < H3O? E) H2O < H3O? < HCN 75) Determine the electron geometry (eg), molecular geometry (mg), and polarity of SO3. A) eg = tetrahedral, mg = trigonal pyramidal, polar B) eg = tetrahedral, mg = tetrahedral, nonpolar C) eg = trigonal planar, mg = trigonal planar, nonpolar D) eg = trigonal bipyramidal, mg = trigonal planar, polar E) eg = trigonal pyramidal, mg = bent, nonpolar 76) How many of the following molecules are polar? BrCl3CS2SiF4SO3 A) 1 B) 2 C) 3 D) 4 E) 0 77) How many of the following molecules are polar? PCl5COSXeO3SeBr2 A) 2 B) 0 C) 1 D) 3 E) 4 78) Determine the electron geometry (eg), molecular geometry (mg), and polarity of SO2. A) eg = tetrahedral, mg = bent, polar B) eg = trigonal planar, mg = bent, polar C) eg = linear, mg = linear, nonpolar D) eg = tetrahedral, mg = tetrahedral, nonpolar E) eg = trigonal pyramidal, mg = trigonal pyramidal, polar 79) Determine the electron geometry (eg), molecular geometry (mg), and polarity of PCl3. A) eg = tetrahedral, mg = bent, polar B) eg = trigonal planar, mg = trigonal planar, nonpolar C) eg = linear, mg = linear, nonpolar D) eg = tetrahedral, mg = trigonal pyramidal, polar E) eg = trigonal pyramidal, mg = trigonal pyramidal, polar 80) Determine the electron geometry, molecular geometry and polarity of SF6. A) eg = trigonal bipyramidal, mg = trigonal bipyramidal, nonpolar B) eg = tetrahedral, mg = tetrahedral, polar C) eg = trigonal bipyramidal, mg = see-saw, polar D) eg = octahedral, mg = trigonal bipyramidal, nonpolar E