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When Ethanol, C2H5OH, a Component in Some Gasoline Mixtures, Is

Question 17

Multiple Choice

When ethanol, C2H5OH, a component in some gasoline mixtures, is burned in air, one molecule of ethanol combines with three oxygen molecules to form two CO2 molecules and three H2O molecules. Select the statement below that is incorrect in regard to this reaction.


A) The balanced equation for the reaction is C2H5OH + 3O2 → 2CO2 + 3H2O.
B) If 4 ethanol molecules react, 8 CO2 molecules should form.
C) If 12 H2O molecules are formed, then 9 O2 molecules must have reacted.
D) If 15 ethanol molecules react, then 45 oxygen molecules must also react.
E) If 12 CO2 molecules are formed, then 18 H2O molecules should also form.

Correct Answer:

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