Reactions of metal ions in aqueous solution Flashcards Preview

AS/A2 Chemistry - Inorganic > Reactions of metal ions in aqueous solution > Flashcards

Flashcards in Reactions of metal ions in aqueous solution Deck (17):
1

What is the aqueous ion with iron (II) and its colour?

[Fe(H2O)6]2+ / green solution

2

What is the aqueous ion with iron (III) and its colour?

[Fe(H2O)6]3+ / purple solution

3

Why might the iron (III) aqueous ion change colour - from what to what?

[Fe(H2O)6]3+ / purple solution to [Fe(H2O)5(OH)]2+ / yellow-brown

4

What is the aqueous ion with copper (II) and its colour?

[Cu(H2O)6]2+ / blue solution

5

What is the aqueous ion with aluminium (II) and its colour?

[Al(H2O)6]3+ / colourless solution

6

What happens when [Fe(H2O)6]2+ reacts with a little NaOH? Complex and colour?

Fe(H2O)4(OH)2(s) /
green ppt goes brown on standing in air

7

What happens when [Fe(H2O)6]3+ reacts with a little NaOH? Complex and colour?

Fe(H2O)3(OH)3(s) /
brown ppt

8

What happens when [Cu(H2O)6]2+ reacts with a little NaOH? Complex and colour?

Cu(H2O)4(OH)2(s) /
blue ppt

9

What happens when [Al(H2O)6]3+ reacts with a little NaOH? Complex and colour?

Al(H2O)3(OH)3(s) /
white ppt

10

What happens when [Fe(H2O)6]2+ reacts with a little NH3? Complex and colour?

Fe(H2O)4(OH)2(s) /
green ppt goes brown on standing in air

11

What happens when [Fe(H2O)6]3+ reacts with a little NH3? Complex and colour?

Fe(H2O)3(OH)3(s) /
brown ppt

12

What happens when [Cu(H2O)6]2+ reacts with a little NH3? Complex and colour?

Cu(H2O)4(OH)2(s) /
blue ppt

13

What happens when [Al(H2O)6]3+ reacts with a little NH3? Complex and colour?

Al(H2O)3(OH)3(s) /
white ppt

14

What happens when [Fe(H2O)6]2+ reacts with CO3^2-? Complex and colour?

FeCO3(s) /
green ppt

15

What happens when [Fe(H2O)6]3+ reacts with CO3^2-? Complex and colour?

Fe(H2O)3(OH)3(s)
brown ppt
and CO2 gas evolved

16

What happens when [Cu(H2O)6]2+ reacts with CO3^2-? Complex and colour?

CuCO3(s) /
blue-green ppt

17

What happens when [Al(H2O)6]3+ reacts with CO3^2-? Complex and colour?

Al(H2O)3(OH)3(s)
white ppt
and CO2 gas evolved