Brainscape's Knowledge GenomeTM

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


See full index

Transition Metal Colours > Precipitation Reactions > Flashcards

Precipitation Reactions Flashcards

1
Q

What is the colour of Cu2+ in solution?

A

Pale Blue

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

What is the colour of Cu2+ in solution with the addition of NaOH/NH3?

A

Blue ppt - Cu(OH)2

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

What is the colour of Cu2+ in solution with the addition of excess NaOH?

A

NO REACTION

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

What is the colour of Cu2+ in solution with the addition of excess NH3?

A

Dark Blue ppt - [Cu(H2O)2 (NH3)4]2+

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

What is the colour of Fe2+ in solution?

A

Pale Green

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

What is the colour of Fe2+ in solution with the addition of NaOH/NH3?

A

Green ppt - Fe(OH)2

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

What is the colour of Fe2+ in solution with the addition of excess NaOH?

A

NO REACTION

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

What is the colour of Cu2+ in solution with the addition of excess NH3?

A

NO REACTION

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

What is the colour of Fe3+ in solution?

A

Yellow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the colour of Fe3+ in solution with the addition of NaOH/NH3?

A

Brown ppt - Fe(OH)3

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

What is the colour of Fe3+ in solution with the addition of excess NaOH?

A

NO REACTION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the colour of Fe3+ in solution with the addition of excess NH3?

A

NO REACTION

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

What is the colour of Mn2+ in solution?

A

Pink

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

What is the colour of Mn2+ in solution with the addition of NaOH/NH3?

A

Brown ppt - Mn(OH)2

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

What is the colour of Mn2+ in solution with the addition of excess NaOH?

A

NO REACTION

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

What is the colour of Mn2+ in solution with the addition of excess NH3?

A

NO REACTION

17
Q

What is the colour of Cr3+ in solution?

A

GREEN (but can be disputed as violet)

18
Q

What is the colour of Cr3+ in solution with the addition of NaOH/NH3?

A

Green-Grey ppt - Cr(OH)3

19
Q

What is the colour of Cr3+ in solution with the addition of excess NaOH?

A

Green solution - [Cr(OH)6]3-

20
Q

What is the colour of Cr3+ in solution with the addition of excess NH3?

A

Purple solution - [Cr(NH3)6]3+

Transition Metal Colours (3 decks)

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