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Reactions of carbon compounds
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An addition reaction is when the _____ or ______ covalent bond opens and the other reactant adds on
double
triple
How many products are formed in an addition reaction?
One
How many times do alkynes undergo an addition reaction?
Twice
When alkenes react with water in an addition reaction, ________ are formed?
alkanols
What is hydration?
The addition of water to one molecule
eg ethene + water → ethanol
What is the opposite reaction to hydration?
Dehydration - the removal of water from one molecule
eg ethanol → ethene + water
What is the catalyst in dehydration?
Aluminium oxide
What can oxidation be classed as?
The:
loss of electrons
gain of oxygen
loss of hydrogen
Can alkanols be completely oxidised?
Yes
Name two oxidising agents
Acidified potassium dichromate
Hot copper (II) oxide
What is the colour change in hot copper (II) oxide?
black → brown
What happens to a primary alkanol when it is oxidised?
Primary alkanol → alkanal → alkanoic acid
What happens to a secondary alkanol when it is oxidised?
Secondary alkanol → alkanone
What happens to a tertiary alkanol when it is oxidised?
Nothing - there is no reaction
Author
Anonymous
ID
119144
Card Set
Reactions of carbon compounds
Description
Higher Chemistry - Unit Two - Reactions of carbon compounds
Updated
2011-11-27T14:09:43Z
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