Ions in solution

Question 1

Cu2+ complex ion is

Answer 1

[Cu(NH3)4]2+

Question 2

Pb2+ complex ion is

Answer 2

[Pb(OH)4]2-

Question 3

Zn2+ complex ion with ammonia is

Answer 3

[Zn(NH3)4]2+

Question 4

Ag+ complex ion is

Answer 4

[Ag(NH3)2]+

Question 5

Zn2+ complex ion with hydroxide is

Answer 5

[Zn(OH)4]2-

Question 6

Al3+ complex ion is

Answer 6

[Al(OH)4]-

Question 7

Fe3+ complex ion is

Answer 7

[FeSCN]2+

Question 8

Does the Fe3+ complex form from a precipitate dissolving or ion in solution?

Answer 8

Ion in solution

Question 9

Does the Pb2+ complex form from a precipitate dissolving or ion in solution?

Answer 9

Precipitate dissolving

Question 10

Does the Al3+ complex form from a precipitate dissolving or ion in solution?

Answer 10

Precipitate dissolving

Question 11

Does the Cu2+ complex form from a precipitate dissolving or ion in solution?

Answer 11

Precipitate dissolving

Question 12

Does the Ag+ complex form from a precipitate dissolving or ion in solution?

Answer 12

Precipitate dissolving

Question 13

Does the Zn2+ & ammonia complex form from a precipitate dissolving or ion in solution?

Answer 13

Precipitate dissolving

Question 14

Does the Zn2+ & hydroxide complex form from a precipitate dissolving or ion in solution?

Answer 14

Precipitate dissolving

Question 15

Which cation forms an oxide with NaOH instead of a hydroxide?

Answer 15

Ag+

Question 16

If ammonia is added to a solution what type of precipitate will form?

Answer 16

hydroxide

Question 17

Zn2+, Pb2+ & Al3+ form complex ions with how many hydroxide ligands?

Answer 17

4

Question 18

Zn2+, Cu2+ form complex ions with how many ammonia ligands?

Answer 18

4

Question 19

Ag+ forms complex ions with how many ammonia ligands?

Answer 19

2

Question 20

Fe3+ forms complex ions with how many thiocyanate ligands?

Answer 20

1

Question 21

Which cation can form two different complex ions?

Answer 21

Zn2+

Question 22

How you do work out the charge on a complex ion?

Answer 22

sum of cation charge and ligand charges

Question 23

What colour is a solution of [FeSCN]2+?

Answer 23

blood red

Question 24

What colour is a solution of [Cu(NH3)4]2+

Answer 24

blue

Question 25

What cations form complex ions with hydroxide ligands?

Answer 25

Zn2+, Al3+, Pb2+

Question 26

What cations form complex ions with ammonia ligands?

Answer 26

Cu2+, Zn2+, Ag+

Question 27

What cation forms a complex ion with a thiocyanate ligand?

Answer 27

Fe3+

Question 28

Which cations form complex ions?

Answer 28

Cu2+, Zn2+, Ag+, Al3+, Pb2+, Fe3+