Reactions of ions in aqueous solutions Flashcards
1
Q
Give the equation for the hexa-aqua ion of Fe2+ and state its colour
A
[Fe(H2O)6]2+
green
2
Q
Give the equation for the hexa-aqua ion of Cu2+ and state its colour
A
[Cu(H2O)6]2+
blue
3
Q
Give the equation for the hexa-aqua ion of Fe3+ and state its colour
A
[Fe(H2O)6]3+
purple but appears yellow/brown
4
Q
Give the equation for the hexa-aqua ion of Al3+ and state its colour
A
[Al(H2O)6]3+
Colourless
5
Q
Define a Bronsted-Lowry acid
A
A substance that donated H+ ions
6
Q
A
7
Q
What is meant by a water ligand being ‘polarised’?
A
The charge in the metal ion causes the electrons density in the water ligands to move closer to the metal ion
8
Q
What can be said if the
A