Reactions of Halogens with Halide Ions: Observations

Question 1

What is the colour of the precipitate silver chloride?

Answer 1

White.

Question 2

What is the colour of the precipitate silver bromide?

Answer 2

Cream.

Question 3

What is the colour of the precipitate silver iodide?

Answer 3

Pale yellow.

Question 4

What can you add to make colour change more distinct in redox reactions?

Answer 4

An organic solvent.

Question 5

What does an organic solvent do?

Answer 5

Makes the upper layer the organic layer.

Question 6

What is the general equation for when a solution of silver ions is added to chlorine, bromine or iodine?

Answer 6

Ag+ (aq) + X- (aq) = AgX (s)

Question 7

What is produced when silver halides are reacted with a halogen?

Answer 7

A precipitate.

Question 8

How do you write an ionic equation for precipitate reactions?

Answer 8

Put the solid as the product and the solutions as the reactants.

Question 9

Why is ammonia solution added to the products of silver halide with halogen reactions?

Answer 9

To distinguish between the colours of the precipitates.

Question 10

What has the greatest solubility in ammonia out of silver chloride, silver bromine and silver iodide?

Answer 10

Silver chloride.

Question 11

What is insoluble in ammonia?

Answer 11

Silver iodide.