Tests for Negative Ions

Question 1

Carbonate Ions (CO3^2-)

Answer 1

Reacts with Acid to give off CO2-turns lime-water cloudy

Question 2

Sulphate Ions (SO4^2-)

Answer 2

With Hydrochloric acid and a few drops of Barium Chloride solution,White Precipitate is formed.

Question 3

Halide Ion: Chlorine CI

Answer 3

With an equal amount of nitric acid and a few drops of silver nitrate solution,forms a white Precipitate

Question 4

Halide Ion: Bromine Br-

Answer 4

With an equal amount of nitric acid and a few drops of silver nitrate solution,forms Cream Precipitate

Question 5

Halide Ion: Iodine I-

Answer 5

With an equal amount of nitric acid and a few drops of silver nitrate solution,forms Yellow Precipitate