Anions

Question 1

How do you test for carbonate ions

Answer 1

add HCL, if bubbling CO2 present, bubble gas through limewater, turns cloudy

Question 1

What is the symbol for carbonate ions

Answer 1

CO4-2

Question 2

What is the symbol for sulfate ions

Answer 2

SO4-2

Question 3

How do you test for sulfate ions

Answer 3

add HCL, this removes carbonate ions that may give precipitate, add barium chloride, white precipitate

Question 4

What halide ions are tested

Answer 4

Cl, Br, I

Question 5

How do you test for halide ions

Answer 5

add nitric acid, which removes carbonate ions, then silver nitrate solution,

Question 6

What precipitate does chloride produce and turn

Answer 6

Silver chloride turns white

Question 7

What precipitate does bromide produce and turn

Answer 7

silver bromide turns cream

Question 8

What precipitate does iodide produce and turn

Answer 8

silver iodide turns yellow