{
  "id": "d049b52f-4b98-5e04-8093-a27efddb1cdf",
  "slug": "s2-2-the-covalent-model-sl",
  "title": "S2.2 The covalent model (SL)",
  "course": "IB Chemistry",
  "level": "SL",
  "syllabusCode": "S2.2",
  "questionCount": 15,
  "page": "https://splycr.com/ib-chemistry/s2-2-the-covalent-model-sl",
  "data": "https://splycr.com/library/s2-2-the-covalent-model-sl.json",
  "play": "https://splycr.com/?set=d049b52f-4b98-5e04-8093-a27efddb1cdf",
  "section": {
    "name": "Structure 2: Models of bonding and structure",
    "page": "https://splycr.com/ib-chemistry/models-of-bonding-and-structure"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Bond formed by a shared pair of electrons between two atoms?",
      "answer": "Covalent bond",
      "wrongOptions": [
        "Ionic bond",
        "Metallic bond",
        "Hydrogen bond"
      ]
    },
    {
      "number": 2,
      "question": "Covalent bond in which both shared electrons come from one atom?",
      "answer": "Coordination bond",
      "wrongOptions": [
        "Polar bond",
        "Double bond",
        "Hydrogen bond"
      ]
    },
    {
      "number": 3,
      "question": "Which carbon–carbon bond is the shortest and strongest?",
      "answer": "Triple bond",
      "wrongOptions": [
        "Double bond",
        "Single bond",
        "Coordination bond"
      ]
    },
    {
      "number": 4,
      "question": "Molecular geometry of CH₄?",
      "answer": "Tetrahedral",
      "wrongOptions": [
        "Square planar",
        "Trigonal planar",
        "Trigonal pyramidal"
      ]
    },
    {
      "number": 5,
      "question": "Molecular geometry of NH₃?",
      "answer": "Trigonal pyramidal",
      "wrongOptions": [
        "Trigonal planar",
        "Tetrahedral",
        "Bent"
      ]
    },
    {
      "number": 6,
      "question": "Molecular geometry of BF₃?",
      "answer": "Trigonal planar",
      "wrongOptions": [
        "Trigonal pyramidal",
        "Tetrahedral",
        "Bent"
      ]
    },
    {
      "number": 7,
      "question": "H–O–H bond angle in water?",
      "answer": "104.5°",
      "wrongOptions": [
        "107°",
        "109.5°",
        "120°"
      ]
    },
    {
      "number": 8,
      "question": "O–C–O bond angle in carbon dioxide?",
      "answer": "180°",
      "wrongOptions": [
        "120°",
        "109.5°",
        "104.5°"
      ]
    },
    {
      "number": 9,
      "question": "Molecule with polar bonds but no overall dipole?",
      "answer": "CO₂",
      "wrongOptions": [
        "H₂O",
        "NH₃",
        "HCl"
      ]
    },
    {
      "number": 10,
      "question": "Strongest intermolecular force between water molecules?",
      "answer": "Hydrogen bonding",
      "wrongOptions": [
        "Dipole–dipole forces",
        "London dispersion forces",
        "Ionic bonding"
      ]
    },
    {
      "number": 11,
      "question": "Only intermolecular force between non-polar molecules such as I₂?",
      "answer": "London dispersion forces",
      "wrongOptions": [
        "Dipole–dipole forces",
        "Hydrogen bonds",
        "Covalent bonds"
      ]
    },
    {
      "number": 12,
      "question": "Halogen boiling points rise down group 17 mainly because of an increasing…?",
      "answer": "Number of electrons",
      "wrongOptions": [
        "Bond polarity",
        "Electronegativity",
        "Bond strength"
      ]
    },
    {
      "number": 13,
      "question": "Number of carbon atoms each carbon in diamond is covalently bonded to?",
      "answer": "4",
      "wrongOptions": [
        "3",
        "2",
        "6"
      ]
    },
    {
      "number": 14,
      "question": "Allotrope of carbon with stacked layers that conducts electricity?",
      "answer": "Graphite",
      "wrongOptions": [
        "Diamond",
        "Fullerene",
        "Silicon"
      ]
    },
    {
      "number": 15,
      "question": "Covalent bond in which the shared electron pair is pulled unequally towards one atom, giving partial charges?",
      "answer": "Polar covalent bond",
      "wrongOptions": [
        "Non-polar covalent bond",
        "Ionic bond",
        "Coordination bond"
      ]
    }
  ]
}
