Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

C3 > Qualitative Analysis > Flashcards

Qualitative Analysis Flashcards

0
Q

Positive test for the addition of sodium hydroxide to a solution of calcium ions

A

White precipitate

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

Flame colour of sodium

A

Yellow

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

Flame colour of calcium

A

Brick red

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

Positive test for the addition of sodium hydroxide to a solution of iron (II) ions

A

Dark green precipitate

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

Flame colour of copper

A

Blue-green

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

Test and expected result for sulfate

A

Add hydrochloric acid and barium chloride. White precipitate of barium sulfate forms

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

Positive test for addition of dilute sodium hydroxide to a solution of aluminium ions

A

White precipitate that dissolves in excess sodium hydroxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Test and expected result for bromide ions

A

Add nitric acid and silver nitrate. Cream precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Test and expected result for iodide ions

A

Add nitric acid and silver nitrate. Yellow precipitate.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Positive test for the addition of sodium hydroxide to a solution of copper ions

A

Light blue precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Test and expected result for carbonate.

A

Add hydrochloric acid, bubble gas through limewater. Positive results fizzing and limewater becoming cloudy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Positive test for the addition of sodium hydroxide to a solution of iron (III) ions

A

Brown precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Positive test for the addition of sodium hydroxide to a solution of ammonium ions

A

No precipitate. Heat gently and test gas with damp red litmus it will turn blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Test and expected result for chloride ions

A

Add nitric acid and silver nitrate. White precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Flame colour of potassium

A

Lilac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

How do you test for ammonium ions?

A

Add sodium hydroxide solution and warm. Test gas with red litmus it will turn blue

23
Q

How do you perform a flame test

A

Dip a wire loop in hydrochloric acid and place in blue flame until clean. Put sample on clean wire loop and place in a blue flame.

24
Q

A lilac flame means

A

Potassium is present

25
Q

A yellow flame means

A

sodium is present

26
Q

A blue/green flame means

A

copper is present

27
Q

A brick red flame means

A

calcium is present

28
Q

A white ppt after the addition of dilute nitric acid and silver nitrate indicates

A

The halide ion, chloride is present

29
Q

A cream ppt after the addition of dilute nitric acid and silver nitrate indicates

A

The halide ion, bromide is present

30
Q

A yellow ppt after the addition of dilute nitric acid and silver nitrate indicates

A

The halide ion, Iodide is present

C3 (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions