Chemistry · Alkynes: Acidic character, addition of hydrogen, halogens, water and hydrogen halides, polymerization

Acetylene polymerizes to give:

Acetylene polymerizes to give:

  • A. benzene
  • B. polyethene
  • C. butane
  • D. octane

Step-by-step solution

Acetylene (C2H2) undergoes cyclic trimerization when heated or passed through a red-hot tube, forming benzene (C6H6). This is a characteristic reaction of alkynes. The other options (polyethene, butane, octane) are not products of acetylene polymerization under typical conditions.
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