Write the physical properties of ethene.

The physical properties of ethene are:

1. It is lighter than air.
2. It is a colourless gas, which is neutral to litmus and has a faintly sweet odour.
3. The melting point and boiling points of ethene are $-$169^o​C and $-$104^oC respectively
4. It is highly soluble in organic solvents such as carbon tetrachloride and is sparingly soluble in water.