Qualitative dataC3.1

Love, Heba

Testing for Ions

Positive Ions USE NaOH ( sodium hydroxide)

Colour of PPT

White

Blue

Green

Brown

White @ first but then dissolves in

NaOH

First: Then : +

NH4+ Doesn’t give ppt, instead it gives off heat and ammonia! Ammonia smells like wee and when using red litmus paper it will

turn it blue and UI purple.

Test for HalidesAdd dilute Nitric acid followed by silver nitrate

Ionic equation Colour of PPT.

White

Cream

Yellow

BTW- ACID IS ADDED TO REMOVE CARBONATE IONS BEFORE THE TEST!

Flame test – JUST RECAP

Calcium

SodiumCopper

Potassium

Test for Carbonates( Probably seen this 10000000 times)

Test for Sulfates

Use Dilute Hydrochloric acid and Barium chloride- mix em’ up and you’ll get a white ppt of Barium sulfate!

𝐵𝑎2+¿+𝑆𝑂4 2−→𝐵𝑎𝑆𝑂 4¿