Tests For Ions

Question 1

Co3 2-

Answer 1

Reacts with h+ aq forming co2 gas

Question 2

So4 2-

Answer 2

White precipitate with Ba2+

Question 3

Cl- br- I-

Answer 3

White cream or yellow Precipitate with silver nitrate

Question 4

NH4+

Answer 4

WARM NaOH forming nh3 gas that turns damp red litmus paper blue

Question 5

What sequence must you do tests for halides carbonates and sulfates

Answer 5

Carbonate first then surface then halide as BaCO3 and AgSO4 are also insoluble so would give positive test for the wrong test