Chem > QA CATIONS > Flashcards

QA CATIONS Flashcards

(5 cards)

Study These Flashcards
1
Q

Aq NaOH
No visible change

A

Na+
K+
NH4
- When warmed, a colourless and pungent gas evolved
- gas turned moist red litmus blue
Gas is NH3.

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

Aq NaOH
White ppt
insoluble in access

A

Ca2+

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

Aq NaOH
White ppt
Soluble in excess to form colourless solution

A

Zn2+, Al3+, Pb2*(theory)

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

Aq NaOH
Blue ppt
insoluble in excess

A

Cu2+

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

Aq NaOH
Green ppt
insoluble in excess

A

Fe 2+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
Chem
flashcards
Decks in class (5)
# Cards
Brainscape helps you reach your goals faster, through stronger study habits.
© 2026 Bold Learning Solutions. Terms and Conditions