Chemical Bonding and Molecular Structure

Class 11 · Chemistry

75 questions25 easy32 medium18 hard

Sample Questions

Q1.Antibonding molecular orbitals are characterized by:

AA node (zero electron density) between the two nuclei
BMaximum electron density between the nuclei
CBeing at lower energy than atomic orbitals
DStabilizing the molecule

Q2.The geometry of SF₆ according to VSEPR theory is:

AOctahedral
BTetrahedral
CTrigonal bipyramidal
DSquare planar

Q3.The formal charge on oxygen in SO₂ (in one resonance structure) can be:

A0 or -1 depending on the structure
BAlways +2
CAlways -2
DAlways 0

Q4.Which molecule has an expanded octet (more than 8 electrons around the central atom)?

APCl₅
BCH₄
CNH₃
DH₂O

Q5.A pi (π) bond is formed by:

ALateral (side-to-side) overlap of p-orbitals
BHead-on overlap of s-orbitals
COverlap of s and p orbitals
DBack-donation from metal to ligand

Q6.This is a sample question to preview what you'll get in the full practice test...

A. Option one
B. Option two
C. Option three
D. Option four

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Concepts Covered

AX3E2BF3BF3 bond angleBF4- hybridizationBeCl2 hybridizationBorn-Haber cycleCH4 NH3 H2OCO2CO2 Lewis structureClF3 geometryH2+ ionH2OH2O dipole momentH2O vs NH3HFHe2 instabilityIF5 shapeIF7Kekulé structureKekulé structuresKössel's theoryLCAOLCAO methodLewis acid-baseLewis structureLewis structuresLewis symbolsLewis theoryLondon forcesMO energy levelsMO theoryN-N bondsN2N2 bond orderN2 hybridizationN2O structureNF3NH3NH3 structureNO2- structureO2O2 F2 MOO2 bond orderO2 paramagnetismO2+ ionPCl3 hybridizationPCl5PCl5 shapeSF4SF6SF6 geometrySO2 structureSO3^2-T-shapedT-shaped geometryVB theory limitationsVSEPRVSEPR theoryVSEPR with 3 lone pairsXeF2 shapeXeF4XeF4 shapeacetyleneantibonding MOantibonding electronsback-bondingbent geometrybenzenebenzene resonanceboiling pointboiling point anomalybond anglebond angle comparisonbond energybond equivalencebond lengthbond orderbond order and strengthbond order calculationbond order relationshipbond order zerobonding MOcarbon-carbon bondschemical bondingconditions for H-bondingcoordinate bondcovalent bonddative bonddelocalizationdelocalized pi electronsdipole cancellationdipole momentdouble bonddouble bondselectron pair repulsionelectron pair repulsion orderelectron transferelectronegative atomselectronegativityelectrostatic attractionequivalent bondsetheneexpanded octetformal chargegraphite structurehybridization concepthydrogen bondhydrogen bondingincomplete octetintramolecular hydrogen bondingionic bondionic compoundslateral overlaplattice energylinear geometrylinear moleculelone pair effectlone pair repulsionlone pairsmethanemolecular geometrymolecular orbital theorymolecular polaritymolecular symmetrynoble gas configurationnodal planenon-polar moleculeso-nitrophenoloctahedraloctahedral geometryoctet ruleoctet rule exceptionsorbital overlapp-orbitalparamagnetismpentagonal bipyramidalpi bondpi electron delocalizationpolar moleculepolaritypπ-pπ bondingresonanceresonance hybridresonance misconceptionsseesaw geometrysigma and pi bondssigma bondsigma pi ordersp hybridizationsp2 hybridizationsp3sp3 hybridizationsp3d hybridizationsp3d2 hybridizationsp3d3 hybridizationsquare planarsquare planar geometrysquare pyramidalsulfite ionsuperoxide iontetrahedral geometrytrigonal bipyramidaltrigonal planartrigonal pyramidaltriple bondvalence bond theoryvan der Waals forceswater molecular shapewave function combination

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