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PSMA > CONFIRMATORY TEST FOR CATIONS > Flashcards

CONFIRMATORY TEST FOR CATIONS Flashcards

1
Q

Ion: Silver (Ag)

Reagent: Hydrochloric Acid (HCl)

Product: Silver Chloride (AgCl)

Result:

A. White to gray ppt
B. Canary yellow ppt
C. Brownish red ppt

A

A. White to gray ppt

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2
Q

Ion: Silver (Ag)

Reagent: Potassium Chromate (K2CrO4)

Product: Silver Chromate (Ag2CrO4)

Result:

A. White to gray ppt
B. Canary yellow ppt
C. Brownish red ppt

A

C. Brownish red ppt

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3
Q

Ion: Silver (Ag)

Reagent: Potassium Iodide (KI)

Product: Silver Iodide (Agl)

Result:

A. White to gray ppt
B. Canary yellow ppt
C. Brownish red ppt

A

B. Canary yellow ppt

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4
Q

Ion: Lead (Pb)

Reagent: Hydrochloric acid (Hcl)

Product: Lead (ll) chloride (PbCl2)

Result:

A. Yellow ppt
B. Black ppt
C. White crystal ppt

A

C. White crystal ppt

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5
Q

Ion: Lead (Pb)

Reagent: Potassium Chromate (K2CrO4)

Product: Lead Chromate (PbCrO4)

Result:

A. Yellow ppt
B. Black ppt
C. White crystal ppt

A

A. Yellow ppt

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6
Q

Ion: Lead (Pb)

Reagent: Potassium Iodide (Kl)

Product: Lead (ll) Iodide

Result:

A. Blue ash
B. Yellow ppt
C. Reddish brown

A

Yellow ppt

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7
Q

Ion: Hg2+2

Reagent: Hydrochloric Acid (Hcl)

Product: Mercury (l) Chloride (Hg2Cl2)

Result:

A. Orange red ppt
B. Green ppt
C. White curdy opt

A

C. White curdy ppt

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8
Q

Ion: Hg2+2

Reagent: Potassium Chromate (K2CrO4)

Product: Mercury (ll) Chromate Hg2CrO4

Result:

A. Orange red ppt
B. Green ppt
C. White curdy opt

A

A. Orange red ppt

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9
Q

Ion: Hg2+2

Reagent: Potassium Iodide (Kl)

Product: Mercury Iodide (Hg2l2)

Result:

A. Orange red ppt
B. Green ppt
C. White curdy opt

A

B. Green ppt

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10
Q

Ion: Bismuth Cation (Bi+3)

Reagent: Sodium Stannite (Na2SnO2)

Product: Bismuth (Bi)

Result:

A. Yellow ppt
B. Blue ppt
C. Black ppt

A

C. Black ppt

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11
Q

Ion: Cupric (Cu+2)

Reagent: Potassium Ferrocyanide K4Fe(CN)6

Product: Copper (ll) Ferrocyanide Cu2Fe(CN)6

Result:

A. White ppt
B. Amorphous reddish brown ppt
C. White to gray ppt

A

A. Amorphous reddish brown ppt

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12
Q

Ion: Cupric (Cu+2)

Reagent: Potassium Ferrocyanide K4Fe(CN)6

Product: Cadmium Ferrocyanide Cd2Fe(CN)6

Result:

A. White ppt
B. Amorphous reddish brown ppt
C. White to gray ppt

A

A. White ppt

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13
Q

Ion: Mercury (ll) Ion Hg+2)

Reagent: Tin (ll) Chloride (SnCl2)

Product: Mercury (l) Chloride to Mercury (Hg)

Result:

A. White ppt
B. Amorphous reddish brown ppt
C. White to gray ppt

A

C. White to gray ppt

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14
Q

Ion: Mercury (ll) Ion (Hg+2)

Reagent: Potassium Iodide (Kl)

Product: Mercury (ll) Iodide (HgI2)

Result:

A. White to gray ppt
B. Scarlet red
C. Yellow ppt

A

B. Scarlet red ppt

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15
Q

Ion: Sb+3

Reagent: Aluminum (Al)

Product: Antimony (Sb)

Result:

A. Black ppt
B. Red ppt
C. Yellow ppt

A

A. Black ppt

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16
Q

Ion: As+3

Reagent: Sodium Hydroxide (NaOH),
Aluminum (Al)

Product: Arsine (AsH3), Silver (Ag

Result:

A. Colorless gas, black ppt
B. Colorless sol’n, white to gray ppt
C. Yellow solution

A

A. Colorless gas, black ppt

17
Q

Ion: Sn+2

Reagent: HgCI2

Product: Hg2Cl2 to Hg

Result:

A. Green ash
B. White to gray ppt
C. Brownish red ppt

A

B. White to gray ppt

18
Q

Ion: Sn+4

Reagent: HgCI2

Product: HgCI2 to Hg Reduction of Sn+4 to Sn+2

Result:

A. White to gray ppt
B. Colorless sol’n white to gray ppt
C. Brownish red ppt

A

B. Colorless sol’n white to gray ppt

19
Q

Ion: Al+3

Reagent: Aluminon test (NH4OH aluminon)

Product: Al(OH)³

Result:

A. Canary yellow ppt
B. Green ppt
C. White gelatinous ppt to red lake with aluminon

A

C. White gelatinous ppt to red lake with aluminon

20
Q

Ion: Al+3

Reagent: Thenards Blue test (NH4O, Co(NO3)2

Product: Co(AlO)2

Result:

A. Purple solution
B. Blue ash
C. Colorless sol’n white to gray ppt

A

B. Blue ash

21
Q

Ion: Cr+3

Reagent: NaOH, H2O2 or Na2O2

Product: Na2CrO4

Result:

A. Yellow solution
B. Yellow ppt
C. Canary yellow

A

A. Yellow solution

22
Q

Ion: Cr+3

Reagent: AgNO3

Product: Ag2CrO4

Result:

A. Yellow solution
B. Blue solution
C. Brownish red ppt

A

C. Brownish red ppt

23
Q

Ion: Cr+3

Reagent: BaCI2

Product: BaCrO4

Result:

A. Yellow ppt
B. Blue solution
C. Black ppt

A

A. Yellow ppt

24
Q

Ion: Cr+3

Reagent: Pb(Ch3COO)2

Product: CrO4

Result:

A. Purple solution
B. Blue ppt
C. Yellow ppt

A

C. Yellow ppt

25
Q

Ion: Zn+2

Reagent: K4Fe(CN)6

Product: Zn2Fe(CN)6

Result:

A. White ppt
B. White to gray ppt
C. White curdy ppt

A

A. White ppt

26
Q

Ion: Zn+2

Reagent: Rinmann’s Green test Co(NO3), NH4OH

Product: CoZnO2

Result:

A. Green Ash
B. Black ppt
C. Blue ash

A

A. Green Ash

27
Q

Ion: Mn+2

Reagent: HNO3, NaBiO3

Product: HMnO4

Result:

A. Brownish red ppt
B. Purple solution
C. Yellow solution

A

B. Purple solution

28
Q

Ion: Fe+3

Reagent: KSCN

Product:FeSCN

Result:

A. Brownish red ppt
B. Scarlet red ppt
C. Blood red soln ppt

A

C. Blood red soln ppt

29
Q

Ion: Fe+3

Reagent: K3Fe (CN)6

Product: Fe4(Fe(CN)6)3

Result:

A. Brown soln
B. Blood red soln
C. Prussian blue ppt

A

C. Prussian blue ppt

30
Q

Ion: Fe+3

Reagent: K3Fe(CN)6

Product: Fe(CN)3

Result:

A. Brown soln
B. Prussian blue
C. Yellow sol

A

A. Brown soln

31
Q

Ion: Fe+2

Reagent: K4Fe(CN)6

Product: Fe2Fe(CN)6

Result:

A. White to black ppt
B. White to blue ppt
C. White to gray ppt

A

B. White to blue ppt

32
Q

Ion: Fe+2

Reagent: K3Fe(CN)6

Product: Fe3(Fe(CN)6)2

Result:

A. White to blue ppt
B. Gray ppt
C. Blue ppt

A

C. Blue ppt

33
Q

Ion: Co+2

Reagent: KNO2, HAC

Product: K3Co(NO2)6

Result:

A. Yellow ppt
B. Yellow soln
C. Green ppt

A

A. Yellow ppt

34
Q

Ion: Ni+2

Reagent: NH4OH, C8H7N2O2

Product: C8H14O4N4Ni

Result:

A. Blue ppt
B. Brown soln
C. Cherry red ppt

A

C. Cherry red ppt

35
Q

Ion: Ba+2

Reagent: K2CrO4

Product: BaCrO4

Result:

A. Cherry red ppt
B. Prussian blue ppt
C. Yellow ppt

A

C. Yellow ppt

36
Q

Ion: Ba+2

Reagent: (NH4)2SO4

Product: BaSO4

Result:

A. White to blue ppt
B. White ppt
C. White to gray ppt

A

B. White ppt

37
Q

Ion: Ba+2

Reagent: Na2HPO4, NH4OH

Product: Ba3PO4

Result:

A. White amorphous ppt
B. White gelatinous ppt
C. White to blue ppt

A

A. White amorphous ppt

PSMA (7 decks)

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