Qualitative Analysis

Question 1

Test for CO3^-2

Answer 1

Add dilute acid (Hcl/HNO3)

Efervesence seen

Colourless and odourless gas produced (CO2)
White ppt forms in limewater

Moist blue litmus paper turns red

Question 2

Test for Cl-

Answer 2

Acidify w dilute nitric acid then ad silver nitrite (AgNO3)

Yellow ppt forms insoluble w dilute nitric acid

Question 3

Test for I-

Answer 3

Acidify w dilute nitric acid then add silver nitrate (AgNO3)

Yellow ppt is formed