Chemistrymedium · Past Paper
Which of the following is a balanced equation for the reaction of Methane with Oxygen (complete combustion)?
A$CH_4 + O_2 \rightarrow CO_2 + H_2O$
B$CH_4 + 2O_2 \rightarrow CO_2 + 2H_2O$
C$2CH_4 + 3O_2 \rightarrow 2CO + 4H_2O$
D$CH_4 + O_2 \rightarrow C + 2H_2O$
✓ Correct Answer: B — $CH_4 + 2O_2 \rightarrow CO_2 + 2H_2O$
The balanced equation requires 2 moles of O2 to react with 1 mole of CH4 to produce 1 mole of CO2 and 2 moles of H2O.
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