Chemistry 5070 · O Level · Alkenes

Alkenes — practice question

Alkenes react with bromine in an addition reaction to make dibromoalkanes. Which statement is the correct one?

AEthene and bromine react to produce 1,1-dibromoethane.
BProp測ne and bromine react to produce 1,3-dibromopropane.
CBut-2-ene and bromine react to produce 2,2-dibromobutane.
DBut-1-ene and bromine react to produce 1,2-dibromobutane.

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