MDCAT Chemistry MCQ #4534

What volume of H₂ (at STP) reacts with 2.8 g of 1-pentene (C₅H₁₀)?

MDCAT Chemistry MCQ #4534

  1. Question 1

    Q1. What volume of H₂ (at STP) reacts with 2.8 g of 1-pentene (C₅H₁₀)?

    • A) 0.56 dm³
    • B) 1.12 dm³
    • C) 2.24 dm³
    • D) 4.48 dm³

    Answer: 1.12 dm³

    Explanation: 1 mole C₅H₁₀ (70 g) reacts with 1 mole H₂ (22.4 dm³). 2.8 g = 0.04 mol → 0.896 dm³. Distractor A rounds incorrectly.