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PHCH 1102L > Cations > Flashcards

Cations Flashcards

1
Q

Only well-known soluble lead salts

A

Lead nitrate
Lead acetate

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2
Q

What elements is Lead or Pb insoluble?

A

Chlorides of silver and mercury

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3
Q

Is Lead soluble in water?

A

Moderately soluble when heatedq

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4
Q

What is the color of PBO2?

A

Brown

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5
Q

Where will Lead (IV) Oxide or PBO2 dissolve?

A

6MNHO3 with added H2O2

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6
Q

What is the only soluble salt of mercury?

A

Nitrate

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7
Q

What should be present to keep Hg salts from precipitating?

A

Excess HNO3

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8
Q

What is the water soluble salt of Ag or silver?

A

Nitrate

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9
Q

Theoretical result of Lead and HCl?

A

White precipitation

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10
Q

Theoretical result of lead in boiling water?

A

None

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11
Q

Theoretical result of Kr2CO4 + NaOH and lead?

A

Yellow precipitation

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12
Q

Mercury + HCl

A

White precipitation

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13
Q

Mercury + NH4OH

A

Gray Black Precipitate

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14
Q

Mercury + Kl

A

Orange

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15
Q

Silver + NH4OH

A

White

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16
Q

How does copper salt exist?

A

Hyrdates

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17
Q

What is the most colors of coppers?

A

Blue or Green

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18
Q

What is the color of bismuth?

A

Colorless

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19
Q

Is bismuth soluble in water?

A

No. It is insoluble.

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20
Q

Bi or bismuth ordinarily occurs in what state?

A

3+

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21
Q

Most colors of cadmium salts

A

Colorless

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22
Q

Solubility of Cadmium in Water

A

Soluble

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23
Q

What is the most soluble of the Group II sulfides?

A

Cadmium Sulphide

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24
Q

What is the color of CdS cadmium sulphide?

A

Yellow

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25
What are the mercuric salts soluble in water?
chloride, bromide, cyanide, and acetate
26
What is a good reducing agent in basic solution?
Tin
27
Solubility of antimony salts
Insoluble in water
28
Copper + K4Fe(CN6) Color and Name
Red-brown precipitate Copper II ferrocyanide
29
Copper + NH4OH
Dark blue complex Copper Ammonia Complex
30
Bismuth + H2S
Dark brown precipitate
31
Cadmium + H2S
Yellow
32
Cadmium + K4Fe(CN6)
Bluish white precipitate
33
Cadmium + NH4OH
White
34
Mercury + Kl
Orange
35
Tin + Sn2+ + H2S
Brown
36
Tin + Sn4+ + H2S
Yellow
37
Antimony + H2S
Red-orange
38
Antimony + Aluminum Shavings
Black
39
Colors of Nickel
Green
40
Cobalt in water has a color...?
Pink
41
The only cation of Manganese is...?
Mn2+
42
What is the color of Mn2+?
Pale pink
43
Potassium manganate is what color?
Deep purple
44
Nickel + NH4OH
Green
45
Nickel + Dimethylglyoxime
Rose red
46
Cobalt + Nh4oh
Blue
47
Manganese + H2S
Pink
48
Manganese + NaBIo
Purple
49
What is Fe2+ + K3Fe(CN)6 and its color?
Potassium Ferricyanide Turnull's blue
50
Iron + Fe2+ + K4Fe(CN)6
White
51
Iron + Fe3+ + K3Fe(CN)6
Brown
52
What is Fe3+ + K4Fe(CN)6 and its color?
Potassium ferrocyanide, Pursian blue
53
Aluminum dye
Red
54
Cr + NAOH
Green
55
Zinc + H2S
White
56
Zn + K4Fe(CN)6
Grey
57
Zn + NH4OH
White gel
58
Solubility of Ba
Soluble in water and strong dilute acids
59
Color of Ba
Colorless
60
Solubility of Ca
Soluble in water and diluted acid
61
Ba + K2CrO4
Yello
62
Ba + H2SO4
White
63
Flame test of Ba
Yellow green flame
64
Ca + K2C2O4
White
65
Calcium flame test
Brick red flame
66
Na flame test
Yellow flame
67
K flame test
violet

PHCH 1102L (7 decks)

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