Transition Metals Flashcards

(31 cards)

1
Q

Cu2+ (aq) ion colour

A

Blue solution

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2
Q

Cu2+ (aq) and NaOH

A

Blue ppt

Cu(H2O)4(OH)2

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3
Q

Cu2+ (aq) and XS NaOH

A

Blue ppt (no further change)

Cu(H2O)4(OH)2

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4
Q

Cu2+ (aq) and NH3

A

Blue ppt

Cu(H2O)4(OH)2

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5
Q

Cu2+ (aq) and XS NH3

A

Deep blue solution

Cu(H2O)2(NH3)4 ^2+

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6
Q

Cu2+ (aq) and Na2CO3

A

blue-green ppt

CuCO3

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7
Q

Fe2+ (aq) ion colour

A

green solution

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8
Q

Fe2+ (aq) and NaOH

A

green ppt (oxidises in air to brown)

Fe(H2O)4(OH)2

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9
Q

Fe2+ (aq) and XS NaOH

A

green ppt (no further change)

Fe(H2O)4(OH)2

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10
Q

Fe2+ (aq) and NH3

A

green ppt (oxidises in air to brown)

Fe(H2O)4(OH)2

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11
Q

Fe2+ (aq) and XS NH3

A

green ppt (no further change)

Fe(H2O)4(OH)2

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12
Q

Fe2+ (aq) and Na2CO3

A

green ppt

FeCO3

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13
Q

Fe3+ (aq) ion colour

A

purple solution

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14
Q

Fe3+ (aq) and NaOH

A

brown ppt

Fe(H20)3(OH)3

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15
Q

Fe3+ (aq) and XS NaOH

A

no further change

Fe(H20)3(OH)3

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16
Q

Fe3+ (aq) and NH3

A

brown ppt

Fe(H20)3(OH)3

17
Q

Fe3+ (aq) and XS NH3

A

no further change

Fe(H20)3(OH)3

18
Q

Fe3+ (aq) and Na2CO3

A

brown ppt
CO2 gas
Fe(H20)3(OH)3

19
Q

Al3+ (aq) ion colour

A

colourless solution

20
Q

Al3+ (aq) and NaOH

A

white ppt

Al(H20)3(OH)3

21
Q

Al3+ (aq) and XS NaOH

A

colourless solution

Al(OH)4 ^-

22
Q

Al3+ (aq) and NH3

A

white ppt

Al(H20)3(OH)3

23
Q

Al3+ (aq) and XS NH3

A

no further change

Al(H20)3(OH)3

24
Q

Al3+ (aq) and Na2CO3

A

white ppt
CO2 gas
Al(H20)3(OH)3

25
what gas evolved when Fe3+ and Al3+ (aq) react with Na2CO3?
CO2
26
the addition of which two chemicals dropwise produce the same result for all the aqua ions that you need to know?
NH3 and NaOH
27
2+ ions have trends of which numbers?
2 and 4
28
3+ ions have a trend of which number of Ligands?
3
29
The 4 colours of the 4 oxidation states of vanadium
Yellow Blue Green Purple
30
Variable oxidation states of vanadium
VO2^+ VO^2+ V3+ V2+
31
Cu2+ + HCl ->
(CuCl4)2- | yellow solution