Analysis of negative ions

Question 1

What colour precipitate does a chloride ion produce with silver nitrate solution?

Answer 1

white

Question 2

What colour precipitate does a bromide ion produce with silver nitrate solution?

Answer 2

cream

Question 3

What colour precipitate does an iodide ion produce with silver nitrate solution?

Answer 3

yellow

Question 4

How do you identify a carbonate ion when dilute acids are added?

Answer 4

Bubble it through limewater, which will fizz and go cloudy because carbon dioxide is produced

Question 5

How do you identify sulphate ions in the presence of dilute hydrochloric acid?

Answer 5

white precipitate with barium chloride solution