{
  "id": "377feed3-15e4-5eff-93ab-bd1f004f0ccc",
  "slug": "s3-1-the-periodic-table-classification-of-elements-hl",
  "title": "S3.1 The periodic table: Classification of elements (HL)",
  "course": "IB Chemistry",
  "level": "HL",
  "syllabusCode": "S3.1",
  "questionCount": 14,
  "page": "https://splycr.com/ib-chemistry/s3-1-the-periodic-table-classification-of-elements-hl",
  "data": "https://splycr.com/library/s3-1-the-periodic-table-classification-of-elements-hl.json",
  "play": "https://splycr.com/?set=377feed3-15e4-5eff-93ab-bd1f004f0ccc",
  "section": {
    "name": "Structure 3: Classification of matter",
    "page": "https://splycr.com/ib-chemistry/classification-of-matter"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "d-block element that is not a transition element?",
      "answer": "Zinc",
      "wrongOptions": [
        "Iron",
        "Copper",
        "Scandium"
      ]
    },
    {
      "number": 2,
      "question": "Molecule or ion that donates a lone pair to a central metal ion?",
      "answer": "Ligand",
      "wrongOptions": [
        "Complex ion",
        "Catalyst",
        "Cation"
      ]
    },
    {
      "number": 3,
      "question": "Bond between a ligand and the central metal ion?",
      "answer": "Coordination bond",
      "wrongOptions": [
        "Ionic bond",
        "Metallic bond",
        "Hydrogen bond"
      ]
    },
    {
      "number": 4,
      "question": "Coordination number of copper in [Cu(NH₃)₄(H₂O)₂]²⁺?",
      "answer": "6",
      "wrongOptions": [
        "4",
        "2",
        "8"
      ]
    },
    {
      "number": 5,
      "question": "Oxidation state of copper in [CuCl₄]²⁻?",
      "answer": "+2",
      "wrongOptions": [
        "−2",
        "+4",
        "+6"
      ]
    },
    {
      "number": 6,
      "question": "Transition elements show variable oxidation states because 3d and 4s electrons are…?",
      "answer": "Close in energy",
      "wrongOptions": [
        "Far apart in energy",
        "Always paired",
        "Strongly shielded"
      ]
    },
    {
      "number": 7,
      "question": "Transition metal complexes are coloured because ligands make the d orbitals…?",
      "answer": "Split in energy",
      "wrongOptions": [
        "Fully filled",
        "Degenerate",
        "Empty"
      ]
    },
    {
      "number": 8,
      "question": "Colour of a complex that absorbs orange light, using the colour wheel?",
      "answer": "Blue",
      "wrongOptions": [
        "Orange",
        "Red",
        "Yellow"
      ]
    },
    {
      "number": 9,
      "question": "Colourless ion with an empty 3d sublevel?",
      "answer": "Sc³⁺",
      "wrongOptions": [
        "Cu²⁺",
        "Fe³⁺",
        "Ti³⁺"
      ]
    },
    {
      "number": 10,
      "question": "Of these ligands, which causes the largest d-orbital splitting?",
      "answer": "CN⁻",
      "wrongOptions": [
        "I⁻",
        "Cl⁻",
        "H₂O"
      ]
    },
    {
      "number": 11,
      "question": "Unpaired electrons in a free Fe³⁺ ion (Z = 26)?",
      "answer": "5",
      "wrongOptions": [
        "3",
        "4",
        "6"
      ]
    },
    {
      "number": 12,
      "question": "Substance with unpaired electrons that is drawn into a magnetic field?",
      "answer": "Paramagnetic",
      "wrongOptions": [
        "Diamagnetic",
        "Isotropic",
        "Inert"
      ]
    },
    {
      "number": 13,
      "question": "Transition metal used as the catalyst in the Haber process?",
      "answer": "Iron",
      "wrongOptions": [
        "Nickel",
        "Platinum",
        "Vanadium"
      ]
    },
    {
      "number": 14,
      "question": "Industrial process catalysed by V₂O₅?",
      "answer": "Contact process",
      "wrongOptions": [
        "Haber process",
        "Ostwald process",
        "Cracking"
      ]
    }
  ]
}