Do intact wax molecules come in contact with oxygen?

• No. The wax molecules are thermally decomposed in the dark zone in the interior of the flame (Zone I).
• Yes. The wax molecules vaporize into the blue-green luminous region of the flame where they react with oxygen (Zone II).

This quiz is part of:

• Chemistry Advent Calendar,
  ChemViews Mag. 2015.
  DOI: 10.1002/chemv.201500102