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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
Q

What are the mercuric salts soluble in water?

A

chloride, bromide, cyanide, and acetate

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26
Q

What is a good reducing agent in basic solution?

A

Tin

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27
Q

Solubility of antimony salts

A

Insoluble in water

28
Q

Copper + K4Fe(CN6)
Color and Name

A

Red-brown precipitate
Copper II ferrocyanide

29
Q

Copper + NH4OH

A

Dark blue complex
Copper Ammonia Complex

30
Q

Bismuth + H2S

A

Dark brown precipitate

31
Q

Cadmium + H2S

A

Yellow

32
Q

Cadmium + K4Fe(CN6)

A

Bluish white precipitate

33
Q

Cadmium + NH4OH

A

White

34
Q

Mercury + Kl

A

Orange

35
Q

Tin + Sn2+ + H2S

A

Brown

36
Q

Tin + Sn4+ + H2S

A

Yellow

37
Q

Antimony + H2S

A

Red-orange

38
Q

Antimony + Aluminum Shavings

A

Black

39
Q

Colors of Nickel

A

Green

40
Q

Cobalt in water has a color…?

A

Pink

41
Q

The only cation of Manganese is…?

A

Mn2+

42
Q

What is the color of Mn2+?

A

Pale pink

43
Q

Potassium manganate is what color?

A

Deep purple

44
Q

Nickel + NH4OH

A

Green

45
Q

Nickel + Dimethylglyoxime

A

Rose red

46
Q

Cobalt + Nh4oh

A

Blue

47
Q

Manganese + H2S

A

Pink

48
Q

Manganese + NaBIo

A

Purple

49
Q

What is Fe2+ + K3Fe(CN)6 and its color?

A

Potassium Ferricyanide
Turnull’s blue

50
Q

Iron + Fe2+ + K4Fe(CN)6

A

White

51
Q

Iron + Fe3+ + K3Fe(CN)6

A

Brown

52
Q

What is Fe3+ + K4Fe(CN)6 and its color?

A

Potassium ferrocyanide, Pursian blue

53
Q

Aluminum dye

A

Red

54
Q

Cr + NAOH

A

Green

55
Q

Zinc + H2S

A

White

56
Q

Zn + K4Fe(CN)6

A

Grey

57
Q

Zn + NH4OH

A

White gel

58
Q

Solubility of Ba

A

Soluble in water and strong dilute acids

59
Q

Color of Ba

A

Colorless

60
Q

Solubility of Ca

A

Soluble in water and diluted acid

61
Q

Ba + K2CrO4

A

Yello

62
Q

Ba + H2SO4

A

White

63
Q

Flame test of Ba

A

Yellow green flame

64
Q

Ca + K2C2O4

A

White

65
Q

Calcium flame test

A

Brick red flame

66
Q

Na flame test

A

Yellow flame

67
Q

K flame test

A

violet

PHCH 1102L (7 decks)

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