Question Detail
Question
When the equation C₂H₆ + O₂ → CO₂ + H₂O is balanced with the smallest whole number coefficients, the coefficient for O₂ is:
Correct Answer
Option D is the correct answer.
Detailed Explanation
Balanced equation: 2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O. The coefficient for O₂ is 7.
Hint
Balance C and H first, then balance O.