Transition Metals Iron

Question 1

[Fe(H2O)6]2+
Metal ion-
Ligand-
Colour-

Answer 1

Metal ion- Iron (II)
Ligand- Water
Colour- Green

Question 2

[Fe(H2O)4(OH)2]
Metal ion-
Ligand-
Colour-

Answer 2

Metal ion-Iron (II)
Ligand- Water and hydroxide ions
Colour- Green ppt.

Question 3

FeCO3
Metal ion-
Ligand-
Colour-

Answer 3

Metal ion- Iron (II)
Ligand- N/A
Colour- Green ppt.

Question 4

[Fe(H2O)6]3+
Metal ion-
Ligand-
Colour-

Answer 4

Metal ion- Iron (III)
Ligand- Water
Colour- Very pale violet

Question 5

[Fe(H2O)3(OH)3]
Metal ion-
Ligand-
Colour-

Answer 5

Metal ion- Iron (III)
Ligand- Water and hydroxide ions
Colour- Brown ppt.