CAIE IGCSE Chemistry Bromination Hydrogenation and Hydration of Alkenes

Practise predicting alkene addition products with bromine, hydrogen or steam and drawing structures after replacing the carbon-carbon double bond.

Exam points

add bromine across the double bond, draw the dibromoalkane and state orange to colourless
add hydrogen with a nickel catalyst to form the corresponding saturated alkane
add steam with an acid catalyst at stated conditions and draw possible alcohol products

[Maximum number: 1]

The table shows the structures of four hydrocarbons.

Compound R undergoes an addition reaction with bromine.

A compound containing bromine is formed in this reaction.

Draw the structure of this compound. Show all of the atoms and all of the bonds.

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