Alkynes. Acetylene
Answers are for parents and teachers.
1
Write and balance the combustion equation of acetylene.
2C₂H₂ + 5O₂ → 4CO₂ + 2H₂O
2
Write the equation for making acetylene from methane.
2CH₄ → C₂H₂ + 3H₂ (1500 °C)
3
How many moles of acetylene come from 2 mol of CaC₂?
2
4
How many carbons are in pentyne-2?
5
5
In which industrial processes is acetylene used?
welding, cutting and organic synthesis