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Inorganic Chemistry (Lab) > E10 > Flashcards

E10 Flashcards

1
Q

Cabonate + DHCl

A

Effervescence

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2
Q

Carbonate + Cal. Chlor.

A

White ppt

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3
Q

Calcium carbonate soluble in?

A

Mineral and carbonic acid

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4
Q

Carbonate + SNS + Exc. Rgt.

A

White ppt -> Yellow/Brown

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5
Q

Silver carbonate soluble in?

A

Nitric and NH3 sol

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6
Q

Sulfite + DHCl

A

Sulfur Dioxide

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7
Q

Sulfite + Bar.Chlor.

A

White ppt.

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8
Q

Barium sulfite soluble in?

A

Dil. HCl

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9
Q

Sulfite + SNS + Exc. Rgt.

A

No change in color
White crystalline ppt.

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10
Q

Silver sulfite soluble in?

A

Excess dilute nitric acid & NH3

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11
Q

Sulfite + Potassium Perm.

A

Decolorization

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12
Q

Sulfite + Pot. Dich.

A

Green coloration

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13
Q

Sulfite + Lead Acetate / Nitrate

A

White ppt.

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14
Q

Lead sulfite soluble in?

A

Nitric acid

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15
Q

Thiosulfate + DHCl

A

No imm. change
Acidify -> turbidity

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16
Q

Thiosulfate + Bar. Chlor.

A

White ppt

17
Q

Thiosulfate + SNS + After Standing

A

White ppt
Turns dark

18
Q

Thiosulfate + Lead Ace. / Nitrate + Exc. Rgt.

A

No change
White ppt

19
Q

Lead thiosulfate soluble in?

A

Excess thiosulfate

20
Q

Thiosulfate + Pot. Cyan.

A

NaOH + KCN + boil -> thiocyanate ions form
HCl + Ferric Chloride -> Red color

21
Q

Nitrites + Dil. Hcl

A

Pale blue liquid, evol. brown fumes

22
Q

Nitrite + Bar. Chlor.

A

No ppt

23
Q

Nitrite + SNS

A

White crystalline ppt

24
Q

Nitrite + Pot. Iodide

A

Blue color

25
Q

Thiocyanate + Conc. Sulfuric Acid

A

Yellow coloration
(Turns violet when warmed test sol.)

26
Q

Thiocyanate + SNS

A

White curdy ppt

27
Q

Silver thiocyanate in ammonia

A

soluble

28
Q

Silver thiocyanate in dilute nitric acid

A

insoluble

29
Q

Boil silver thiocyanate with HCl

A

Ppt turns into silver chloride

30
Q

Thiocyanate + Copper Sulfate

A

Green coloration, then black ppt

31
Q

Addition of acid to copper thiocyanate changes black ppt to?

A

White ppt

32
Q

Thiocyanate + Merc. Nitrate

A

White ppt

33
Q

Merc. thiocyanate soluble in?

A

Excess thiocyanate

34
Q

Merc. thiocyanate, when heated?

A

Swells and forms Pharaoh’s serpent

35
Q

Thiocyanate + Ferric chloride

A

Blood-red coloration

36
Q

Hypochlorite + Dil. HCl

A

Yellow, later effervescence occurs and chlorine is evolved

37
Q

Hypochlorite + Pot. Iodide

A

Bluish black color

38
Q

Hypochlorite + Lead Acetate / Nitrate

A

Brown lead dioxide produced upon boiling

39
Q

Hypochlorite + Cobalt Nitrate

A

Black ppt of Cobalt Hydroxide

Inorganic Chemistry (Lab) (1 decks)

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