{
  "id": "3f864fee-70a7-5d77-9e93-649e1a968fc5",
  "slug": "s3-2-functional-groups-classification-of-organic-compounds-hl",
  "title": "S3.2 Functional groups: Classification of organic compounds (HL)",
  "course": "IB Chemistry",
  "level": "HL",
  "syllabusCode": "S3.2",
  "questionCount": 15,
  "page": "https://splycr.com/ib-chemistry/s3-2-functional-groups-classification-of-organic-compounds-hl",
  "data": "https://splycr.com/library/s3-2-functional-groups-classification-of-organic-compounds-hl.json",
  "play": "https://splycr.com/?set=3f864fee-70a7-5d77-9e93-649e1a968fc5",
  "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": "Isomers with the same structural formula but different spatial arrangement of atoms?",
      "answer": "Stereoisomers",
      "wrongOptions": [
        "Structural isomers",
        "Homologues",
        "Tautomers"
      ]
    },
    {
      "number": 2,
      "question": "Carbon atom bonded to four different groups?",
      "answer": "Chiral carbon",
      "wrongOptions": [
        "Primary carbon",
        "Tertiary carbon",
        "Quaternary carbon"
      ]
    },
    {
      "number": 3,
      "question": "Non-superimposable mirror-image molecules?",
      "answer": "Enantiomers",
      "wrongOptions": [
        "Diastereomers",
        "Cis-trans isomers",
        "Conformers"
      ]
    },
    {
      "number": 4,
      "question": "Equimolar mixture of two enantiomers?",
      "answer": "Racemic mixture",
      "wrongOptions": [
        "Homogeneous mixture",
        "Azeotrope",
        "Isomeric mixture"
      ]
    },
    {
      "number": 5,
      "question": "Instrument that measures the angle by which an optically active sample rotates light?",
      "answer": "Polarimeter",
      "wrongOptions": [
        "Colorimeter",
        "Mass spectrometer",
        "Calorimeter"
      ]
    },
    {
      "number": 6,
      "question": "Two enantiomers rotate plane-polarised light by equal angles but…?",
      "answer": "In opposite directions",
      "wrongOptions": [
        "In the same direction",
        "Not at all",
        "At different rates"
      ]
    },
    {
      "number": 7,
      "question": "Isomer of CH₃CH=CHCH₃ with both methyl groups on the same side?",
      "answer": "cis-but-2-ene",
      "wrongOptions": [
        "trans-but-2-ene",
        "but-1-ene",
        "methylpropene"
      ]
    },
    {
      "number": 8,
      "question": "Cis-trans isomerism in alkenes arises from restricted rotation about which bond?",
      "answer": "C=C bond",
      "wrongOptions": [
        "C–C bond",
        "C–H bond",
        "C–O bond"
      ]
    },
    {
      "number": 9,
      "question": "Which of these alcohols is chiral?",
      "answer": "Butan-2-ol",
      "wrongOptions": [
        "Propan-2-ol",
        "Butan-1-ol",
        "2-Methylpropan-2-ol"
      ]
    },
    {
      "number": 10,
      "question": "Number of chiral carbons in CH₃CHClCH₂CH₃?",
      "answer": "1",
      "wrongOptions": [
        "0",
        "2",
        "4"
      ]
    },
    {
      "number": 11,
      "question": "Rule predicting peaks in a ¹H NMR signal split by n neighbouring protons?",
      "answer": "n + 1 rule",
      "wrongOptions": [
        "2n + 1 rule",
        "n − 1 rule",
        "2n rule"
      ]
    },
    {
      "number": 12,
      "question": "¹H NMR splitting of a proton with three H atoms on the adjacent carbon?",
      "answer": "Quartet",
      "wrongOptions": [
        "Triplet",
        "Doublet",
        "Singlet"
      ]
    },
    {
      "number": 13,
      "question": "¹H NMR splitting of the CH₃ signal in an ethyl group, CH₃CH₂–?",
      "answer": "Triplet",
      "wrongOptions": [
        "Quartet",
        "Doublet",
        "Singlet"
      ]
    },
    {
      "number": 14,
      "question": "¹H NMR splitting of the CH₃ signal in ethanal, CH₃CHO?",
      "answer": "Doublet",
      "wrongOptions": [
        "Triplet",
        "Quartet",
        "Singlet"
      ]
    },
    {
      "number": 15,
      "question": "¹H NMR splitting of a proton with no H atoms on adjacent carbons?",
      "answer": "Singlet",
      "wrongOptions": [
        "Doublet",
        "Triplet",
        "Quartet"
      ]
    }
  ]
}