Anion And Cation Tests

Question 1

Dilute Nitric acid added to sample

Bubbles

Answer 1

CO3 2-

Question 2

Barium Nitrate added

White precipitate

Answer 2

SO4 2-

Question 3

Aqueous Silver Nitrate added

White precipitate

Soluble in dilute ammonia

Answer 3

Cl -

Question 4

Addition of Silver Nitrate

Cream Precipitate

Soluble in concentrated Ammonia

Answer 4

Br -

Question 5

Addition of Silver Nitrate

Yellow Precipitate

Insoluble in concentrated ammonia

Answer 5

I -

Question 6

Add NaOH

Gas not seen as soluble in water. heat

Ammonia Bubbles released, smell and turn damp red litmus paper blue

Answer 6

NH4 +