Question

Which compound can decolourise bromine water the fastest under normal conditions?

Answer 1

Answer:

Alkene decolorizes bromine water so it is often used as a test for unsaturated hydrocarbon.

Example:-

C2H4(Ethene) + Br2 (Bromine Molecule) → C2H4Br2 (1,2 di-bromo-ethane)

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