GCSE CHEMISTRY - What is the Test for Chlorine Gas? - How do I test for Chlorine Gas? - How is Chlorine Gas Collected?

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.

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.