Metal Hydroxide Precipitates Flashcards
1
Q
Sodium hydroxide in excess plus calcium, plus magnesium and plus aluminium.
A
Calcium white ppt
Magnesium - white ppt
Aluminium - white ppt that then dissolves and becomes colourless again
2
Q
Sodium hydroxide + copper
A
Blue precipitate
3
Q
Sodium hydroxide plus iron 2 ions
A
Green ppt
4
Q
Sodium hydroxide plus iron 3
A
Brown ppt