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12 NCEA Chemistry > Ions in solution > Flashcards

Ions in solution Flashcards

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1
Q

Cu2+ complex ion is

A

[Cu(NH3)4]2+

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2
Q

Pb2+ complex ion is

A

[Pb(OH)4]2-

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3
Q

Zn2+ complex ion with ammonia is

A

[Zn(NH3)4]2+

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4
Q

Ag+ complex ion is

A

[Ag(NH3)2]+

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5
Q

Zn2+ complex ion with hydroxide is

A

[Zn(OH)4]2-

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6
Q

Al3+ complex ion is

A

[Al(OH)4]-

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7
Q

Fe3+ complex ion is

A

[FeSCN]2+

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8
Q

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

A

Ion in solution

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9
Q

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

A

Precipitate dissolving

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10
Q

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

A

Precipitate dissolving

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11
Q

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

A

Precipitate dissolving

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12
Q

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

A

Precipitate dissolving

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13
Q

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

A

Precipitate dissolving

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14
Q

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

A

Precipitate dissolving

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15
Q

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

A

Ag+

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16
Q

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

A

hydroxide

17
Q

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

A

4

18
Q

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

A

4

19
Q

Ag+ forms complex ions with how many ammonia ligands?

A

2

20
Q

Fe3+ forms complex ions with how many thiocyanate ligands?

A

1

21
Q

Which cation can form two different complex ions?

A

Zn2+

22
Q

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

A

sum of cation charge and ligand charges

23
Q

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

A

blood red

24
Q

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

A

blue

25
Q

What cations form complex ions with hydroxide ligands?

A

Zn2+, Al3+, Pb2+

26
Q

What cations form complex ions with ammonia ligands?

A

Cu2+, Zn2+, Ag+

27
Q

What cation forms a complex ion with a thiocyanate ligand?

A

Fe3+

28
Q

Which cations form complex ions?

A

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

12 NCEA Chemistry (1 decks)

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