Testing for Halides Flashcards

1
Q

How do you test for chlorides, bromides or iodide ions?

A

Add dilute nitric acid HNO3, followed by silver nitrate solution AgNO3.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Most chlorides, bromides and iodides are……

A

aqueous in solution.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A chloride ion gives a…..

A

white precipitate of silver chloride.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A bromide ion gives a…..

A

cream precipitate of silver bromide.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A iodide ion gives a….

A

yellow precipitate of silver iodide.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Why do you add nitric acid?

A

Get rid of carbonate or sulfate ions before the test.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Why do you always use nitric acid and not hydrochloric acid?

A

HCL contains chloride ions, can interfere and create silver chloride.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

ions that can not be identified by a precipitate reaction?

A

Nitrates, because all soluble.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly