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Transition Metals Flashcards

1
Q

What is the appearance of [Cr(H2O)6]3+?

A

Violet solution

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2
Q

Which hexaaqua ion is a violet solution?

A

[Cr(H2O)6]3+

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3
Q

What is the appearance of Cr(OH)3?

A

Green solid

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4
Q

What is the appearance of [Cr(OH)6]3-?

A

Dark green solution

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5
Q

Which transition metal hydroxide compounds redissolve in excess NaOH?

A

Only Cr(OH)3

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6
Q

What is the appearance of [Cr(NH3)6]3+?

A

Purple solution

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7
Q

Which transition metal ion is a purple solution?

A

[Cr(NH3)6]3+

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8
Q

What is the appearance of [Mn(H2O)6]2+?

A

Pale pink solution

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9
Q

Which hexaaqua ion is a pale pink solution?

A

[Mn(H2O)6]2+

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10
Q

What is the appearance of Mn(OH)2?

A

Light brown solid

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11
Q

What is the appearance of [Fe(H2O)6]2+?

A

Pale green solution

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12
Q

Which hexaaqua ion is a pale green solution?

A

[Fe(H2O)6]2+

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13
Q

What is the appearance of Fe(OH)2?

A

Green solid

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14
Q

What is the appearance of [Fe(H2O)6]3+?

A

Yellow solution

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15
Q

Which hexaaqua ion is a yellow solution?

A

[Fe(H2O)6]3+

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16
Q

What is the appearance of Fe(OH)3?

A

Orange-brown solid

17
Q

What is the appearance of [Cu(H2O)6]2+?

A

Blue solution

18
Q

Which hexaaqua ion is a blue solution?

A

[Cu(H2O)6]2+

19
Q

What is the appearance of Cu(OH)2?

A

Blue solid

20
Q

Which transition metal hydroxides redissolve in excess NH3 (aq)?

A

Cr(OH)3 and Cu(OH)2

21
Q

What is the appearance of [Cu(NH3)4(H2O)2]2+?

A

Deep blue solution

22
Q

What is the appearance of [CuCl4]2-?

23
Q

What is the shape of [CuCl4]2-?

A

Tetrahedral

24
Q

What is the shape of [Pt(NH3)2Cl2]?

A

Square planar

25
Q

What colour is Cr2O72-?

26
Q

What colour is CrO42-?

Chemistry (3 decks)

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