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
and 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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