Transition Metals Flashcards

(35 cards)

1
Q

Colour of aqueous Mn2+

A

Pale pink

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2
Q

Addition of NaOH with Mn2+

A

Forms beige/cream precipitate = Mn(OH)2

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3
Q

Addition of excess NaOH with Mn2+

A

Precipitate is insoluble

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4
Q

Addition of NH3 with Mn2+

A

Beige/cream precipitate = Mn(OH)2

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5
Q

Addition of excess NH3 with Mn2+

A

Insoluble

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6
Q

Colour of aqueous Ni2+

A

Green

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7
Q

Addition of NaOH with Ni2+

A

Green precipitate = Ni(OH)2

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8
Q

Addition of excess NaOH with Ni2+

A

Insoluble

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9
Q

Addition of NH3 with Ni2+

A

Green precipitate = Ni(OH)2

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10
Q

Addition of excess NH3 with Ni2+

A

Soluble - blue solution

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11
Q

Colour of aqueous Cu2+

A

Pale blue = Cu(H2O)6

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12
Q

Addition of NaOH with Cu2+

A

Pale blue precipitate = Cu(OH)2

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13
Q

Addition of excess NaOH with Cu2+

A

Insoluble

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14
Q

Addition of NH3 with Cu2+

A

Pale blue precipitate = Cu(OH)2

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15
Q

Addition of excess NH3 with Cu2+

A

Soluble - dark blue precipitate

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16
Q

Colour of aqueous Fe2+

17
Q

Addition of NaOH with Fe2+

A

Blue/green gelatinous precipitate = Fe(OH)2

18
Q

Addition of excess NaOH with Fe2+

19
Q

Addition of NH3 with Fe2+

A

Green/blue gelatinous precipitate = Fe(OH)2

20
Q

Addition of excess NH3 with Fe2+

21
Q

Colour of aqueous Zn2+

22
Q

Addition of NaOH with Zn2+

A

White precipitate = Zn(OH)2

23
Q

Addition of excess NaOH with Zn2+

A

Soluble - colourless solution

24
Q

Addition of NH3 with Zn2+

A

White precipitate = Zn(OH)2

25
Addition of **excess** NH3 with Zn2+
Soluble - colourless solution
26
Colour of aqueous Fe3+
Pale yellow
27
Addition of NaOH with Fe3+
Red/brown gelatinous precipitate = Fe(OH)3
28
Addition of **excess** NaOH with Fe3+
Insoluble
29
Addition of NH3 with Fe3+
Red/brown gelatinous precipitate = Fe(OH)3
30
Addition of **excess** NH3 with Fe3+
Insoluble
31
Colour of aqueous Cr3+
Green
32
Addition of NaOH with Cr3+
Green precipitate = Cr(OH)3
33
Addition of **excess** NaOH with Cr3+
Soluble - green solution
34
Addition of NH3 with Cr3+
Green precipitate = Cr(OH)3
35
Addition of excess NH3 with Cr3+
Purple solution