Write the following properties of ethene : (a) Physical state,
(b) Odour, (c) Density as compared to air,
(d) Solubility.
Write the equations for the following lab. preparations: (a) Ethane from sodium propionate, (b) Ethene from Iodoethane, (c) Ethyne from calcium carbide, (d) Methanol from Iodomethane.