What is the product of the complete combustion of ethyne (acetylene)?

Practice Questions

Q1
What is the product of the complete combustion of ethyne (acetylene)?
  1. CO2 and H2O
  2. C and H2O
  3. CO and H2O
  4. C2H4

Questions & Step-by-Step Solutions

What is the product of the complete combustion of ethyne (acetylene)?
  • Step 1: Understand what ethyne (acetylene) is. It is a hydrocarbon with the formula C2H2.
  • Step 2: Know that complete combustion means burning a substance in the presence of enough oxygen.
  • Step 3: Write the general equation for the complete combustion of hydrocarbons: Hydrocarbon + Oxygen -> Carbon Dioxide + Water.
  • Step 4: For ethyne (C2H2), the combustion equation will be: C2H2 + O2 -> CO2 + H2O.
  • Step 5: Balance the equation. The balanced equation for the complete combustion of ethyne is: 2 C2H2 + 5 O2 -> 4 CO2 + 2 H2O.
  • Step 6: Identify the products of the reaction. The products are carbon dioxide (CO2) and water (H2O).
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