Question 48
HydrocarbonsCxHy + 4O2 → 3CO2 + 2H2O. The hydrocarbon, CxHy, in the reaction above is
- A.propane
- B.propene
- C.propyne
- D.propanone
Show the answer and explanation
Answer: C (propyne)
Explanation
3CO2 means 3 carbon atoms and 2H2O means 4 hydrogen atoms, so the hydrocarbon is C3H4, propyne.