Question

Is the dehydration of ethanol to ethene a decomposition reaction? ​

Answer 1

Answer:

$Ethene from ethanol</p><p></p><p>The reaction of ethene with steam to form ethanol can be reversed. This allows ethanol to be converted intoethene. A catalyst of hot aluminium oxide is used to speed up the reaction. This is called a dehydration reaction.$

Answer 2

Answer:

It occurs in the presence of concentrated sulphuric acid.