* Ethene is used in the production of ethylene glycol (1,2-ethanediol) which is used as an automotive antifreeze agent and as a precursor to polymers. In-text: (Ethanol from ethene - Alcohols - GCSE Chemistry (Single Science) Revision - Other - BBC Bitesize, 2020) Your Bibliography: BBC Bitesize. Properties of Ethene (ethylene) colourless gas at room temperature and pressure â Melting point = -169°C â Boiling point = -104°C . In an ethene molecule, CH 2 =CH 2, the two pairs of electrons which make up the double bond aren't the same. Ethane is used in the production of ethylene for making plastics, anti-freeze and detergents; it's a ripening agent for foods, a refrigerant, a substance in producing welding gas and a primary ingredient in mustard gas. Find my revision workbooks here: https://www.freesciencelessons.co.uk/workbooksIn this video, we look at addition polymerisation. Ethene is used to prepare lots of different things. Ethanol From Ethene - Alcohols - GCSE Chemistry (Single Science) Revision - Other - BBC Bitesize . So if ethanol undergoes the dehydration reaction, the corresponding alkene produced will be ethene. The other pair is more loosely held in an orbital above and below the plane of the molecule known as a $$\pi$$ bond. It is formed from oxidized ethanol. Ethene is used to accelerate the ripening of fruits and is most commonly used on bananas and also on citrus fruits. Ethanoic acid is colorless and possesses a sharp, vinegarlike odor. This is my website.2. Produced by Science & Plants for Schools (SAPS), this investigation looks at the effects of ethene of fruit ripening. Dehydration means loss of water. 1.a.A Monomer is a molecule that may bind chemically to other â¦ Banner 1. Its presence can be detected using a simple bioassay using germinating seedlings. Ethanoic acid uses include food additives, other chemicals, medicine and plastics production. Home VIDEOS Revision Mindmaps. Ethanoic acid, also called acetic acid, is a weak carboxylic acid with the formula C2H4O2 or CH3COOH. One pair is held securely on the line between the two carbon nuclei in a bond called a sigma bond. Ethene is a colourless gas and is produced by plants, acting as a plant growth substance. 2020. The carbon atom doesn't have enough unpaired electrons to form the required number of bonds, so it needs to promote one of the 2s 2 pair into the empty 2p z orbital. Electrophilic addition: Ethene with Bromine An orbital view of the bonding in ethene Ethene is built from hydrogen atoms (1s 1 ) and carbon atoms (1s 2 2s 2 2p x 1 2p y 1 ). Industrial Uses of Ethene