MDCAT Chemistry MCQ #47

In a combustion analysis, 1 mole of liquid 1-propanol is completely burned in oxygen. How many moles of oxygen gas are consumed?

MDCAT Chemistry MCQ #47

  1. Question 1

    Q1. In a combustion analysis, 1 mole of liquid 1-propanol is completely burned in oxygen. How many moles of oxygen gas are consumed?

    • A) 3.0 moles
    • B) 3.5 moles
    • C) 4.5 moles
    • D) 6.0 moles

    Answer: 4.5 moles

    Explanation: Combustion of 1 mole of propanol (C3H8O) requires 4.5 moles of O2. 3 moles only covers the carbon oxidation, ignoring hydrogen.