Question: what are the chemical properties of ethene?
Answer: colourless gas at room temperature and pressure ⚛ Melting point = -169°C. ⚛ Boiling point = -104°C.
slightly sweet smell.
flammable.
non-polar molecule ⚛ soluble in non-polar solvents. ... 
reactive: the active site is the double bond For example, ethene readily undergoes addition reactions.