Testing for Gases

The Test for Chlorine Gas,  Cl2(g).

1)  Chlorine gas is green-yellow in colour.

2)  Chlorine gas has a pungent choking smell.

3)  Chlorine gas turns moist litmus paper from blue to red
moist universal indicator paper to red - it is acidic.
After turning red both papers are then bleached white.

4)  Chlorine gas will put out a lit splint.


Specific Test for Chlorine Gas.

Chlorine is the only gas that has a bleaching affect.

Collecting Chlorine Gas.

Chlorine gas is more dense than air and can be
collected by downward delivery or using a gas syringe.

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