Chemistry:Production of ethene
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4 Terms
industrial production of ethene
catalytic cracking of long chain alkanes
in oil refinary due to pressence of raw materials and seperating aparatus
laboratory production of ethene
heat Al2O3 strongly using bunsen burner
glass wool holds ethanol in place and stops it from reaching Al2O3 while its still a liquid
Al2O3 is a white powder, catalyst
ethene is collected over water as it is non-polar so it doesnt dissolve in water
remove delivery tube before the heating stops to prevent suck back and possible explosion
type of reaction
elimination reaction as water is removed and a c=c double bond is formed
also a dehydration reaction as water is removed
properties of ethene
burns in a yellow non smokey flame
colourless
non- polar so dissolves in cyclohexane
unsaturated
