Uses of Products of Addition Reactions of Ethene
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What is formed when ethene reacts with a bromine molecule?
1,2-dibromoethane
What forms 1,2-dibromoethane
Ethene and bromine
What is 1,2-dibromoethane used for? 2
It is used as a fumigant for treating timber logs against termites and beetles For controlling moths in beehives
What was 1,2-dibromoethane used for in relation to cars before it was banned?
It was used as an anti-knock additive in leaded petrol
What is formed when ethene reacts with a molecule of chlorine?
1,2-dichloroethane
What forms 1,2-dichloroethane ?
Ethene and a chlorine molecule
What is 1,2-dichloroethane used for? 2
It is used to manufacture chloroethene (vinyl chloride) This is used to make PVC (polyvinyl chloride) which is a widely used plastic
What is chloroethene also called?
Vinyl chloride
What is also called vinyl chloride?
Chloroethene
What is chloroethene/vinyl chloride used for?
It is used to make polyvinyl chloride (PVC) which is a widely used plastic
What is used to make PVC (polyvinyl chloride)?
Vinyl chloride/chloroethene
What is the systematic name for PVC?
Poly(chloroethene)
What is formed when ethene reacts with a hydrogen chloride?
Chloroethane
What forms chloroethane?
It is formed when ethene reacts with a hydrogen chloride
What is chloroethane used for? 4
It is used in dentistry as one of the means of diagnosing a ‘dead tooth’ A small amount of the substance is placed on the tooth and because of the low boiling point of the liquid this creates a localised chilling effect If the tooth is still alive this chilling should be felt by the patient It is used in industry to treat cellulose to make ethylcellulose which is a thickening agent and binder in paints and cosmetics
What can chloroethane be used to treat to be used as a thickening agent?
It can be used to treat cellulose to make ethylcellulose which can be used as a thickening agent and binder in paints and cosmetics
What can ethylcellulose be used as?
A thickening agent and binder in paints and cosmetics
What forms ethanol?
Ethene and water
What does ethene and water form?
Ethanol
What can ethanol be used as?
An industrial solvent and as a fuel
What happens to the carbon atoms during an addition reaction?
They change from planar to tetrahedral geometry