Which compound decolourises bromine water by an addition reaction?
Answer and explanation
Correct answer: A. Ethene
The C=C bond in ethene adds bromine.
Answer: Ethene.
Why not the others: Ethane: it is saturated. Benzene: it does not readily add bromine. Methane: it is saturated.
Answer: Ethene.
Why not the others: Ethane: it is saturated. Benzene: it does not readily add bromine. Methane: it is saturated.
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