CAIE IGCSE Chemistry 11.5.4 Test to distinguish between saturated

Practise using aqueous bromine observations to distinguish saturated alkanes from unsaturated hydrocarbons such as alkenes.

Exam points

describe aqueous bromine changing from orange or brown to colourless with alkenes
distinguish saturated and unsaturated hydrocarbons from bromine water observations

[Maximum number: 2]

Fluorine is a Group VII element. Fluorine forms compounds with metals and non-metals.

Tetrafluoroethene is an unsaturated compound with the formula $\mathrm{C}_{2} \mathrm{~F}_{4}$ . Tetrafluoroethene is the monomer used to make the polymer poly(tetrafluoroethene).

Describe a test to show that tetrafluoroethene is unsaturated.
test
observations

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11.5.4—Test to distinguish between saturated question 1