A-Level Addition Reactions Organic Chemistry

What Alkene is C4H8?

• Propene

• Pentene

• Butene

• Ethene

Which is the alkene?

• A

• B

What happens during an addition reaction in terms of bonding? Tick two.

• Carbon-carbon double bond remains the same.

• Carbon-carbon double bonds open up.

• The two carbon atoms bond to atoms of another molecule.

• Only one carbon bonds with another molecule.

What type of reaction is shown?

• Polymerisation

• Bromination

• Hydrogenation

• Hydration

What type of reaction is shown?

• Polymerisation

• Hydrogenation

• Hydration

• Bromination

What type of reaction is shown?

• Polymerisation

• Hydration

• Hydrogenation

• Bromination

Bromine water is used to test for Alkenes. What happens to the Bromine water when an Alkene is added?

Tags

NGSS.HS-PS1-2

When an alkane is added to bromine water it remains orange. Why?

• There is reaction is taking place.

• There is no reaction taking place.