Two hydrocarbons X and Y were treated with bromine water. X decolorised the solution and Y did not not. Which class of compound does Y belong?
- Benzene
- Alkynes
- Alkenes
-
Alkanes
The correct answer is: D
Explanation
Bromine water is an orange solution of bromine. It becomes colorless when it is shaken with an alkene. Alkenes can decolorize bromine water, but alkanes cannot.
X is ethene which decolorizes bromine water showing that ethene is unsaturated.
Y is an alkane.
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