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?

By: |Published on: Oct 11|Categories: Chemistry JAMB| 0 comments

A. Benzene
B. Alkynes
C. Alkenes
D. Alkanes

Correct Answer:

Option D – Alkanes

Explanation:

Alkenes can decolourise bromine water, but alkanes cannot. The slideshow shows this process. Other addition reactions of alkenes: Hydrogen can be added to a C=C double bond.

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