Question

How could you distinguish octane from 1-octene by a simple chemical test?

Answer 1

Answer:

See below.

Explanation:

Add bromine water.

The 1-octene will render the bromine water colourless whereas the octane will have no effect.

Answer 2

卂几丂山乇尺

As the name indicate that in 1-octene there is a double bond on the first position in the eight carbon atoms chain THUS to detect its presence, we use bromine water test;

Add bromine water to the test tube containing octane/octene if the brown colour of bromine water disappears then octene is present.