Elimination Reactions

Question 1

How can ethene be produced from ethanol?

Answer 1

A molecule of water is removed from a molecule of ethanol by passing the ethanol vapour over aluminium oxide.

Question 2

Define an elimination reaction

Answer 2

An elimination reaction is one in which a small molecule is removed from a larger molecule to leave a double bond in the larger molecule

Question 3

Give an example of a elimination reaction

Answer 3

The removal of water from an alcohol to form an alkene

Question 4

Removal of water from an alcohol to form an alkene is an elimination reaction
Ethanol is made industrially by the addition of water to ethene, thusly how can elimination reactions be explained?

Answer 4

An elimination reaction may be considered as the reverse of an addition reaction

Question 5

What is removed during elimination reactions?

Answer 5

Water

Question 6

Water is removed in elimination reactions, therefore what can these reactions be called?

Answer 6

Dehydration reactions

Question 7

Why are elimination reactions referred to as dehydration reactions?

Answer 7

Since water is removed