Transition metals reactions Flashcards
Describe the appearance of aqueous iron(II)
Green solution
What is the formula for the aqueous iron(II) complex ion
[Fe(H2O)6]2+
Observation when iron(II) reacts with NaOH dropwise
Green ppt
(goes brown on standing in air)
Observation when iron(II) reacts with excess NaOH
Green ppt
(no change from dropwise)
Observation when iron(II) reacts with NaOH dropwise
green ppt
(goes brown on standing in air)
Observation when iron(II) reacts with excess ammonia
green ppt
(no further change)
Observation when iron(II) reacts with carbonate
green ppt
What is the formula of the product when iron(II) reacts with dropwise NaOH
[Fe(H2O)4(OH)2]
What is the formula of the product when iron(II) reacts with ammonia?
[Fe(H2O)4 (OH)2]
What is the formula of the product when iron(II) reacts with carbonate?
FeCO3
Describe the appearance of aqueous copper (II)
blue solution
What is the formula of the aqueous copper (II) ion?
[Cu(H2O)6]2+
Observation when copper (II) reacts with NaOH dropwise
blue ppt
Observation when copper (II) reacts with excess NaOH
blue ppt
(no change)
Observation when copper (II) reacts with ammonia dropwise
blue ppt
Observation when copper (II) reacts with excess ammonia
deep blue solution
Observation when copper (II) reacts with carbonate
blue-green ppt
Formula of product when copper (II) reacts with NaOH
[Cu(H2O)4(OH)2]
Formula when copper (II) reacts with ammonia dropwise
[Cu(H2O)4(OH)2]
Formula when copper (II) reacts with excess ammonia
[Cu(H2O)2(NH3)4]2+
Formula when copper (II) reacts with carbonate
CuCO3
Describe the appearance of the aqueous iron (III) ion
purple solution