Halides 4.8.3.4

Question 1

What is a halide ion?

Answer 1

a halogen (group 7) atom bearing a negative charge.

Question 2

What are the halide anions?

Answer 2

• fluoride
• chlorine
• bromide
• iodide
• astatide

Question 3

What do halides produce precipitates with?

Answer 3

halides produce precipitates with silver nitrate solution in the presence of dilute nitric acid.

Question 4

What are the names and the colours of the precipitates formed by halide ions and silver nitrate?

Answer 4

• Silver Chloride - WHITE
• Silver Bromide - CREAM
• Silver Iodide - YELLOW

Question 5

Why is dilute nitric acid added?

Answer 5

To get rid of any carbonate ions.