{
  "id": "43183d75-3cdf-5afa-a060-7a9290d2c797",
  "slug": "r3-2-electron-transfer-reactions-hl",
  "title": "R3.2 Electron transfer reactions (HL)",
  "course": "IB Chemistry",
  "level": "HL",
  "syllabusCode": "R3.2",
  "questionCount": 15,
  "page": "https://splycr.com/ib-chemistry/r3-2-electron-transfer-reactions-hl",
  "data": "https://splycr.com/library/r3-2-electron-transfer-reactions-hl.json",
  "play": "https://splycr.com/?set=43183d75-3cdf-5afa-a060-7a9290d2c797",
  "section": {
    "name": "Reactivity 3: What are the mechanisms of chemical change?",
    "page": "https://splycr.com/ib-chemistry/mechanisms-of-chemical-change"
  },
  "source": {
    "name": "Biology by Bradford",
    "href": "https://www.biologybybradford.com",
    "note": "Written for the splycr library by Biology by Bradford."
  },
  "questions": [
    {
      "number": 1,
      "question": "Reference half-cell assigned E⦵ = 0.00 V?",
      "answer": "Standard hydrogen electrode",
      "wrongOptions": [
        "Calomel electrode",
        "Glass electrode",
        "Silver electrode"
      ]
    },
    {
      "number": 2,
      "question": "[H⁺] in the standard hydrogen electrode?",
      "answer": "1.0 mol dm⁻³",
      "wrongOptions": [
        "0.10 mol dm⁻³",
        "2.0 mol dm⁻³",
        "0.50 mol dm⁻³"
      ]
    },
    {
      "number": 3,
      "question": "E⦵cell for a Zn/Zn²⁺ (−0.76 V) and Cu²⁺/Cu (+0.34 V) cell?",
      "answer": "+1.10 V",
      "wrongOptions": [
        "−1.10 V",
        "+0.42 V",
        "−0.42 V"
      ]
    },
    {
      "number": 4,
      "question": "E⦵cell for a Mg²⁺/Mg (−2.37 V) and Ag⁺/Ag (+0.80 V) cell?",
      "answer": "+3.17 V",
      "wrongOptions": [
        "+1.57 V",
        "−1.57 V",
        "−3.17 V"
      ]
    },
    {
      "number": 5,
      "question": "The half-cell with the more positive E⦵ undergoes…?",
      "answer": "Reduction",
      "wrongOptions": [
        "Oxidation",
        "Neutralisation",
        "Disproportionation"
      ]
    },
    {
      "number": 6,
      "question": "A positive E⦵cell means the cell reaction is…?",
      "answer": "Spontaneous",
      "wrongOptions": [
        "Non-spontaneous",
        "At equilibrium",
        "Endothermic"
      ]
    },
    {
      "number": 7,
      "question": "Equation linking ΔG⦵ to E⦵?",
      "answer": "ΔG⦵ = −nFE⦵",
      "wrongOptions": [
        "ΔG⦵ = nFE⦵",
        "ΔG⦵ = −nE⦵/F",
        "ΔG⦵ = −RTE⦵"
      ]
    },
    {
      "number": 8,
      "question": "Value of the Faraday constant?",
      "answer": "9.65 × 10⁴ C mol⁻¹",
      "wrongOptions": [
        "9.65 × 10³ C mol⁻¹",
        "1.60 × 10⁻¹⁹ C mol⁻¹",
        "6.02 × 10²³ C mol⁻¹"
      ]
    },
    {
      "number": 9,
      "question": "Strongest oxidising agent in the table of standard electrode potentials?",
      "answer": "F₂",
      "wrongOptions": [
        "Li⁺",
        "Cl₂",
        "O₂"
      ]
    },
    {
      "number": 10,
      "question": "Of these metals, which is the strongest reducing agent?",
      "answer": "Li",
      "wrongOptions": [
        "Zn",
        "Cu",
        "Fe"
      ]
    },
    {
      "number": 11,
      "question": "Product at the anode in the electrolysis of concentrated aqueous NaCl?",
      "answer": "Chlorine",
      "wrongOptions": [
        "Oxygen",
        "Hydrogen",
        "Sodium"
      ]
    },
    {
      "number": 12,
      "question": "Product at the cathode in the electrolysis of aqueous NaCl?",
      "answer": "Hydrogen",
      "wrongOptions": [
        "Sodium",
        "Chlorine",
        "Oxygen"
      ]
    },
    {
      "number": 13,
      "question": "Product at an inert anode in the electrolysis of aqueous CuSO₄?",
      "answer": "Oxygen",
      "wrongOptions": [
        "Sulfur dioxide",
        "Copper",
        "Hydrogen"
      ]
    },
    {
      "number": 14,
      "question": "Coating a steel spoon with silver using a current and silver nitrate solution?",
      "answer": "Electroplating",
      "wrongOptions": [
        "Anodising",
        "Sacrificial protection",
        "Alloying"
      ]
    },
    {
      "number": 15,
      "question": "In electroplating, the object to be coated is made the…?",
      "answer": "Cathode",
      "wrongOptions": [
        "Anode",
        "Salt bridge",
        "Electrolyte"
      ]
    }
  ]
}