2.less;the four polar SObonds inSO2−4are symmetrical and cancel the dipolemoments.3.more; the four polar SObonds inSO2−4are arranged non-symmetrically leavinga net dipole moment.4.more; it has four polar SObondsrather than three polar SO bonds.5.more; the tetrahedral geometry increasesthe polarity of SO bonds017(part 1 of 2) 10.0 pointsWhat is the molecular shape of the XeF+5ion?1.tetrahedral2.trigonal bipyramidal3.octahedral4.square pyramidal5.trigonal pyramidal018(part 2 of 2) 10.0 pointsHow many different F-Xe-F bond angles arein this molecule?
kamalska (mk23835) – HW00 – Quigley – (104001)18.104.22.168.45.501910.0 pointsHow many unshared (non-bonded) pairs ofelectrons are in NF3?1.ten2.four3.thirteen4.no pairs5.twenty6.two7.three8.one02010.0 pointsWhich of the following exhibits resonance?1.H3O+2.ClO−33.O24.NO−302110.0 pointsThe electronic arrangment is the same as themolecular shape when1.there are no lone pairs of electrons on thecentral atom.2.the atoms are joined by sigma bonds.3.there are more shared electrons than non-shared electrons.4.the number of bonding orbitals equals thenumber of anti-bonding orbitals.5.the molecule is not polar.02210.0 pointsFor CH3C(O)OONO2(peroxyacetylni-trate) what hybrid orbitals are used by theunderlined oxygen atom?1.sp32.dsp3.sp4.sp202310.0 pointsWhich of the following species possesses adelocalized bond?1.NCl32.NO−33.H2O4.H2S5.No molecule given here possesses a delo-calized bond.02410.0 pointsThe approximate F-B-F bond angle in theBF3molecule is1.109.5◦2.90◦3.120◦
kamalska (mk23835) – HW00 – Quigley – (104001)54.60◦5.90◦/120◦02510.0 pointsThe ion BeF−has a total of?sharedelectrons and?non-bonded electrons.
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- Fall '08
- Electron, Molecule, Chemical bond, trigonal planar