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Ethene essay Ethene colorless slightly sweet-smelling gas with formula H2CCH2 C2H4 It is an alkene produced by the crackling and fractional distillation of petroleum and from natural gas Ethene is very reactive and readily forms many products such as ethyl chloride and polyethylene It is used to color and ripen fruits Since ethene is small a non-polar molecule insoluble in water and a highly flammable gas the only attraction forces between its molecules are dispersion forces Hence ethene has a very low boiling temperature of -1038C The presence of a double bond in the ethene molecule has a significant effect on its chemical properties as it can create a single bond between its carbons that share a double bond and share the other bond with another ion As a result ethene reacts more freely promptly and with more chemicals than ethane which contains only single bonds The reactions of ethene usually involve addition of a small molecule to produce a single product An example is of this is hydrolysis This process is the addition of water in the form of steam to an alkene to give an alcohol The reaction requires a high temperature and pressure which turns the water into steam as well as a acidic catalyst Ethene water ethanol Many ethene monomers can also polymerize to create polyethene Both have had an addition reaction which converts the double bond between the carbons to a single bond hence leaving a lone pair in the carbon to add further monomers Ethene can be produced from both natural gas and from petroleum crude oil Since neither raw material contain Ethene but both are mixtures of hydrocarbons both physical separation and chemical changes are required in order to
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