Tests for Cations Flashcards

1
Q

Ammonium - with sodium hydroxide

A

Ammonia produced

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

Calcium - with sodium hydroxide

A

white ppt.

in excess: insoluble (no change)

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

Calcium - with ammonia

A

no ppt.

or slight white ppt.

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

Copper - with sodium hydroxide

A

light blue ppt.

In excess: insoluble (no change)

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

Copper _ with ammonia

A

light blue ppt.

In excess: dark blue solution

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

iron 2+ with sodium hydroxide and ammonia

A

green ppt.

In excess: insoluble (no change)

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

iron 3+ with sodium hydroxide and ammonia

A

red-brown ppt.

In excess: insoluble (no change)

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

Zinc - with sodium hydroxide and ammonia

A

white ppt.

In excess; colourless solution

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