Alkanes

Alkanes Quiz

Spec 4.7.1.3 · AQA GCSE Chemistry: Quiz

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5 questions, one answer each

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  1. 1. What is the general formula for alkanes?

    • A. CₙH₂ₙ
    • B. CₙH₂ₙ₊₂
    • C. CₙH₂ₙ₋₂
    • D. CₙHₙ

  2. 2. What does the term 'saturated' mean for an alkane?

    • A. It contains a double bond
    • B. All carbon-carbon bonds are single bonds
    • C. It dissolves easily in water
    • D. It cannot burn

  3. 3. What is the formula of butane?

    • A. C₃H₈
    • B. C₄H₁₀
    • C. C₄H₈
    • D. C₂H₆

  4. 4. As alkane chain length increases, what happens to boiling point and viscosity?

    • A. Both increase
    • B. Both decrease
    • C. Boiling point increases, viscosity decreases
    • D. Boiling point decreases, viscosity increases

  5. 5. Complete this equation for the complete combustion of ethane: 2C₂H₆ + 7O₂ → ? + ?

    • A. 2CO + 3H₂O
    • B. 4CO₂ + 6H₂O
    • C. 2CO₂ + 6H₂O
    • D. 4CO₂ + 3H₂O

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