Brainscape's Knowledge GenomeTM

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


See full index

chemistry > cation test > Flashcards

cation test Flashcards

remember

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

Na+

A

NaOH: no ppt formed

NH3: no ppt formed

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

K+

A

NaOH: no ppt formed

NH3: no ppt formed

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

NH4+

A

NaOH: no ppt formed, colourless and pungent gas evolved upon warming

NH3: REDUNDANT (no ppt)

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

Zn2+

A

NaOH: white ppt formed, soluble in excess to form colourless solution

NH3: white ppt formed, soluble in excess to form colourless solution

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

Al3+

A

NaOH: white ppt formed, soluble in excess to form colourless solution

NH3: white ppt formed, insoluble in excess

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

Pb2+

A

NaOH: white ppt formed, soluble in excess to form colourless solution

NH3: white ppt formed, insoluble in excess

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

Ca2+

A

NaOH: white ppt formed, insoluble in excess

NH3: no ppt formed

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

Cu2+

A

NaOH: pale blue ppt formed, insoluble in excess

NH3: blue ppt formed, soluble in excess to form dark blue solution

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

Fe3+

A

NaOH: red-brown ppt formed, insoluble in excess

NH3: red-brown ppt formed, insoluble in excess

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

Fe2+

A

NaOH: green ppt formed, insoluble in excess, turns red-brown upon standing

NH3: green ppt formed, insoluble in excess, turns red-brown upon standing

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

chemistry (5 decks)

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