NCERT/Class 11/Chemistry/Chemical Bonding and Molecular Structure

Chemical Bonding and Molecular Structure

Class 11 · Chemistry

75 questions25 easy32 medium18 hard

Sample Questions

Q1.The hybridization of carbon in ethene (C₂H₄) is:

  • Asp²
  • Bsp³
  • Csp
  • Dsp³d

Q2.The bond order of H₂⁺ ion in MO theory is:

  • A0.5
  • B1
  • C1.5
  • D0

Q3.The octet rule states that atoms tend to form bonds until they have:

  • A8 electrons in their outermost shell
  • B18 electrons in total
  • CThe same number of electrons as neutrons
  • D2 electrons in all shells

Q4.Which of the following molecules has a bond order of 1.5?

  • AO₂⁻ (superoxide ion)
  • BO₂
  • CO₂²⁻
  • DO₂⁺

Q5.The bond order of a double bond (C=C) is:

  • A2
  • B1
  • C3
  • D1.5

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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