Qualitative Tests for Cations - exam practice
Qualitative Tests for Cations
Total marks:0 / 3
Question 1 of 3
1 of 3
Which reagent, when mixed and heated with ammonium sulfate, liberates ammonia?
0 / 1
Question 2 of 3
2 of 3
Which observation would confirm that ammonia gas is released when solid ammonium chloride is warmed with solid calcium hydroxide?
0 / 1
Question 3 of 3
3 of 3
Compound T is a white crystalline solid.
When a sample of T was mixed with aqueous sodium hydroxide and heated, a pungent smelling gas was produced which turned damp red litmus paper blue. This same gas produced dense white smoke with hydrogen chloride gas.
Further testing of a solution of T with barium chloride solution produced a dense white precipitate which did not dissolve when dilute hydrochloric acid was added to the mixture.
What is the identity of compound T?
0 / 1