21 - Inorganic Qualitative Analysis Summary

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Last updated 11:53 PM on 7/14/26
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128 Terms

1
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A) Group I

Insoluble Chlorides
A. Group I
B. Group II
C. Group III
D. Group IV

2
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  • Mercurous

  • Lead (II)

  • Silver

📌Mnemonic: "MercuLeS"

Group I Cations [3]

3
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b. White precipitate

AgCl

a. White curdy precipitate

b. White precipitate

4
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b. White precipitate

PbCl2

a. White curdy precipitate

b. White precipitate

5
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b. White precipitate

Hg2Cl2

a. White curdy precipitate

b. White precipitate

6
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A) Group I

[Cation Group]

Hg2 2+
A. Group I
B. Group II
C. Group III
D. Group IV

7
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C) Group I and Group IIA

[Cation Group]

Pb 2+
A. Group I only
B. Group IIA only
C. Group I and Group IIA
D. Group III

8
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A) Group I

[Cation Group]

Ag +
A. Group I
B. Group II
C. Group III
D. Group IV

9
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A) 6M HCl

Group I Precipitant
A. 6M HCl
B. 5% Thioacetamide in Diluted Acid
C. 5% Thioacetamide in NH3
D. Ammonium Carbonate + 95% Ethanol

10
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A) Group II

[Cation Group]

Acid Insoluble Sulfides
A. Group II
B. Group III
C. Group IV
D. Group V

11
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  • Copper

  • Cadmium

  • Bismuth

  • Lead (II)

📌Mnemonic: "Copper-CaBLe"

Group IIA Cations [4]

12
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A) Group IIA

[Cation Group]

Cu
A. Group IIA
B. Group IIB
C. Group IIIA
D. Group IIIB

13
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A) Group IIA

[Cation Group]

Cd
A. Group IIA
B. Group IIB
C. Group IIIA
D. Group IIIB

14
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A) Group IIA

[Cation Group]

Bi
A. Group IIA
B. Group IIB
C. Group IIIA
D. Group IIIB

15
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A) Group IIA

[Cation Group]

Group II Cations Insoluble in Na2S
A. Group IIA
B. Group IIB
C. Group IIIA
D. Group IIIB

16
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  • Mercuric

  • Arsenic

  • Tin

  • Antimony

📌 Mnemonic: "MArTiAn"

Group IIB Cations [4]

17
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  • Mercuric

  • Arsenic

  • Tin

  • Antimony

📌 Mnemonic: "MArTiAn"

[Cation Group]

Group II Cations Soluble in Na2S

18
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A) Group IIB

[Cation Group]

Hg 2+
A. Group IIB
B. Group IIA
C. Group IIIB
D. Group IV

19
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A) Group IIB

[Cation Group]

As
A. Group IIB
B. Group IIA
C. Group IIIB
D. Group IV

20
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A) Group IIB

[Cation Group]

Sn
A. Group IIB
B. Group IIA
C. Group IIIB
D. Group IV

21
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A) Group IIB

[Cation Group]

Sb
A. Group IIB
B. Group IIA
C. Group IIIB
D. Group IV

22
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A) 5% Thioacetamide in Diluted Acid

Group II Precipitant
A. 5% Thioacetamide in Diluted Acid
B. 6M HCl
C. 5% Thioacetamide in NH3
D. Ammonium Carbonate + 95% Ethanol

23
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A) Group III

[Cation Group]

Base insoluble Sulfides
A. Group III
B. Group II
C. Group IV
D. Group V

24
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  • Nickel

  • Cobalt

📌Mnemonic: "NiCo"

Group IIIA Cations [2]

25
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A) Group IIIA

[Cation Group]

Group III Cations Soluble in 1M HCl
A. Group IIIA
B. Group IIIB
C. Group IIA
D. Group IIB

26
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A) Group IIIA

[Cation Group]

Ni
A. Group IIIA
B. Group IIIB
C. Group IIA
D. Group IIB

27
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A) Group IIIA

[Cation Group]

Co
A. Group IIIA
B. Group IIIB
C. Group IIA
D. Group IIB

28
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  • Zinc

  • Aluminum

  • Chromium

  • Iron

  • Manganese

📌 Mnemonic: "ZACh Iron Man"

Group IIIB Cations [5]

29
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A) Group IIIB

[Cation Group]

Zn
A. Group IIIB
B. Group IIIA
C. Group IIB
D. Group IV

30
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A) Group IIIB

[Cation Group]

Group III Cations Insoluble in 1M HCl
A. Group IIIB
B. Group IIIA
C. Group IIB
D. Group IV

31
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A) Group IIIB

[Cation Group]

Al
A. Group IIIB
B. Group IIIA
C. Group IIB
D. Group IV

32
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A) Group IIIB

[Cation Group]

Cr
A. Group IIIB
B. Group IIIA
C. Group IIB
D. Group IV

33
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A) Group IIIB

[Cation Group]

Fe
A. Group IIIB
B. Group IIIA
C. Group IIB
D. Group IV

34
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A) Group IIIB

[Cation Group]

Mn
A. Group IIIB
B. Group IIIA
C. Group IIB
D. Group IV

35
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A) 5% thioacetamide in NH3

Group III Precipitant
A. 5% thioacetamide in NH3
B. 6M HCl
C. 5% Thioacetamide in Diluted Acid
D. Ammonium Carbonate + 95% Ethanol

36
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  • Cd2+

  • Sn2+ (brown)

  • As2+

  • As5+

Yellow precipitated sulfides [4]

37
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A) Yellow

[Color of Precipitated Sulfides]

Cd 2+
A. Yellow
B. Brown
C. Orange
D. Black

38
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A) Brown

[Color of Precipitated Sulfides]

Sn 2+
A. Brown
B. Yellow
C. Orange
D. Black

39
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A) Yellow

[Color of Precipitated Sulfides]

As 2+
A. Yellow
B. Brown
C. Orange
D. Black

40
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A) Yellow

[Color of Precipitated Sulfides]

As 5+
A. Yellow
B. Brown
C. Orange
D. Black

41
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  • Sb2+

  • Sb5+ (red-orange)

Orange precipitated sulfides [2]

42
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A) Orange

[Color of Precipitated Sulfides]

Sb 2+
A. Orange
B. Yellow
C. Brown
D. Black

43
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A) Orange-red

[Color of Precipitated Sulfides]

Sb 5+
A. Orange-red
B. Yellow
C. Brown
D. Black

44
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Zn2+

White precipitated sulfide [1]

45
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Mn2+

Pink precipitated sulfide [1]

46
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A) White

[Color of Precipitated Sulfides]

Zn 2+
A. White
B. Yellow
C. Pink
D. Black

47
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A) Pink

[Color of Precipitated Sulfides]

Mn 2+
A. Pink
B. White
C. Yellow
D. Black

48
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  • Cu2+

  • Bi3+

  • Pb2+

  • Sn4+

  • Hg2+

  • Co2+

  • Ni2+

  • Ag+

  • Fe2+

Black precipitated sulfide [9]

49
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A) Black

[Color of Precipitated Sulfides]

Cu 2+
A. Black
B. Yellow
C. Brown
D. White

50
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A) Black

[Color of Precipitated Sulfides]

Bi 3+
A. Black
B. Yellow
C. Brown
D. White

51
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A) Black

[Color of Precipitated Sulfides]

Pb 2+
A. Black
B. Yellow
C. Brown
D. White

52
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A) Black

[Color of Precipitated Sulfides]

Sn 4+
A. Black
B. Yellow
C. Brown
D. White

53
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A) Black

[Color of Precipitated Sulfides]

Hg 2+
A. Black
B. Yellow
C. Brown
D. White

54
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A) Black

[Color of Precipitated Sulfides]

Co 2+
A. Black
B. Yellow
C. Brown
D. White

55
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A) Black

[Color of Precipitated Sulfides]

Ni 2+
A. Black
B. Yellow
C. Brown
D. White

56
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A) Black

[Color of Precipitated Sulfides]

Ag +
A. Black
B. Yellow
C. Brown
D. White

57
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A) Black

[Color of Precipitated Sulfides]

Fe 2+
A. Black
B. Yellow
C. Brown
D. White

58
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A) Group IV

[Cation Group]

Soluble Sulfides
A. Group IV
B. Group III
C. Group V
D. Group II

59
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A) Group IV

[Cation Group]

Insoluble Carbonates
A. Group IV
B. Group III
C. Group V
D. Group II

60
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  • Barium

  • Calcium

  • Strontium

📌Mnemonic: "BaCal St."

Group IV Cations [3]

61
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A) Group IV

[Cation Group]

Ba
A. Group IV
B. Group III
C. Group V
D. Group II

62
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A) Group IV

[Cation Group]

Ca
A. Group IV
B. Group III
C. Group V
D. Group II

63
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A) Group IV

[Cation Group]

Sr
A. Group IV
B. Group III
C. Group V
D. Group II

64
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A) Ammonium Carbonate + 95% Ethanol

Group IV Precipitant
A. Ammonium Carbonate + 95% Ethanol
B. 6M HCl
C. 5% Thioacetamide in Diluted Acid
D. 5% thioacetamide in NH3

65
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A) White

All precipitates of Group IV are colored ___________
A. White
B. Yellow
C. Black
D. Pink

66
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A) Group V

[Cation Group]

The Soluble Group, creating Clear Colorless Solutions and No Precipitants
A. Group V
B. Group IV
C. Group III
D. Group II

67
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  • Potassium

  • Lithium

  • Sodium

  • Magnesium

  • Ammonium

📌Mnemonic: "PoLiS Magnum Ammo"

Group V Cations [5]

68
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A) Group V

[Cation Group]

K
A. Group V
B. Group IV
C. Group III
D. Group II

69
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A) Group V

[Cation Group]

Li
A. Group V
B. Group IV
C. Group III
D. Group II

70
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A) Group V

[Cation Group]

Na
A. Group V
B. Group IV
C. Group III
D. Group II

71
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A) Group V

[Cation Group]

Mg
A. Group V
B. Group IV
C. Group III
D. Group II

72
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A) Group V

[Cation Group]

NH4
A. Group V
B. Group IV
C. Group III
D. Group II

73
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A. None

Precipitant for group V
A. None
B. 6M HCl
C. 5% thioacetamide in diluted acid
D. Ammonium carbonate (NH4)2CO3 + 95% ethanol

74
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A. Group V

Yield colorless solution for all major identification test reagents

A. Group V
B. Group IV
C. Group III
D. Group II

75
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A) Silver Chloride (AgCl)

Compound Formed with Group I that has white curdy ppt
A. Silver Chloride (AgCl)
B. Lead Chloride (PbCl2)
C. Mercurous Chloride (Hg2Cl2)
D. Silver Sulfide (Ag2S)

76
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A) HCl and NH4OH

[Confirmatory Tests for Cations]

Confirmatory Reagent/s for Group I Cations
A. HCl and NH4OH
B. Potassium Ferrocyanide
C. Dimethylglyoxime (DMG)
D. Saturated CaSO4

77
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A) Potassium Ferrocyanide

[Confirmatory Tests for Cations]

Confirmatory Reagent/s for Group II Cations
A. Potassium Ferrocyanide
B. HCl and NH4OH
C. Dimethylglyoxime (DMG)
D. Diluted NaOH

78
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A) Dimethylglyoxime (DMG)

[Confirmatory Tests for Cations]

Confirmatory Reagent/s for Group III Cations
A. Dimethylglyoxime (DMG)
B. Potassium Ferrocyanide
C. Saturated CaSO4
D. Diluted NaOH

79
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A) Saturated CaSO4

[Confirmatory Tests for Cations]

Confirmatory Reagent/s for Group IV Cations
A. Saturated CaSO4
B. Dimethylglyoxime (DMG)
C. Potassium Ferrocyanide
D. Diluted NaOH

80
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A) Diluted NaOH

[Confirmatory Tests for Cations]

Confirmatory Reagent/s for Group V Cations
A. Diluted NaOH
B. Saturated CaSO4
C. Dimethylglyoxime (DMG)
D. HCl and NH4OH

81
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A) White Curdy PPT w/ HCl, soluble in NH4OH

[Confirmatory Tests for Cations]

Ag+
A. White Curdy PPT w/ HCl, soluble in NH4OH
B. White PPT w/ HCl, insoluble in NH4OH
C. Brownish Red ppt
D. yellowish white ppt

82
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A) White PPT w/ HCl, insoluble in NH4OH

[Confirmatory Tests for Cations]

Pb+2
A. White PPT w/ HCl, insoluble in NH4OH
B. White Curdy PPT w/ HCl, soluble in NH4OH
C. Brownish Red ppt
D. yellowish white ppt

83
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A) Brownish Red ppt

[Confirmatory Tests for Cations]

Copper + potassium ferrocyanide
A. Brownish Red ppt
B. yellowish white ppt
C. colorless soln
D. cherry red ppt

84
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A) yellowish white ppt

[Confirmatory Tests for Cations]

Bismuth + potassium ferrocyanide
A. yellowish white ppt
B. Brownish Red ppt
C. colorless soln
D. cherry red ppt

85
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A) colorless soln

[Confirmatory Tests for Cations]

Zinc + DMG
A. colorless soln
B. cherry red ppt
C. orange soln
D. white ppt

86
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A) cherry red ppt

[Confirmatory Tests for Cations]

Nickel + DMG
A. cherry red ppt
B. colorless soln
C. orange soln
D. white ppt

87
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A) orange soln

[Confirmatory Tests for Cations]

Cobalt + DMG
A. orange soln
B. cherry red ppt
C. colorless soln
D. white ppt

88
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A) white ppt

[Confirmatory Tests for Cations]

Calcium + saturated CaSO4
A. white ppt
B. colorless soln
C. cherry red ppt
D. orange soln

89
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A) colorless soln

[Confirmatory Tests for Cations]

Strontium + saturated CaSO4
A. colorless soln
B. white ppt
C. cherry red ppt
D. orange soln

90
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A) Odorless

[Confirmatory Tests for Cations]

Potassium + diluted NaOH
A. Odorless
B. Pungent Odor
C. Sweet Odor
D. No odor

91
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A) Pungent Odor

[Confirmatory Tests for Cations]

Ammonium + diluted NaOH
A. Pungent Odor
B. Odorless
C. Sweet Odor
D. No odor

92
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A) Blue

[Preliminary Examination of Solutions]

Color of Cu 2+ Salts
A. Blue
B. Green
C. Yellow
D. Purple

93
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A) Green

[Preliminary Examination of Solutions]

Color of Ni 2+
A. Green
B. Blue
C. Yellow
D. Pink

94
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A) Green

[Preliminary Examination of Solutions]

Color of Fe 2+
A. Green
B. Blue
C. Yellow
D. Brown

95
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A) Green

[Preliminary Examination of Solutions]

Color of Cr 3+
A. Green
B. Blue
C. Yellow
D. Purple

96
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A) Green

[Preliminary Examination of Solutions]

Color of Manganates
A. Green
B. Blue
C. Yellow
D. Purple

97
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A) Yellow

[Preliminary Examination of Solutions]

Color of Chromate
A. Yellow
B. Green
C. Orange-red
D. Purple

98
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A) Yellow

[Preliminary Examination of Solutions]

Color of Fe 3+
A. Yellow
B. Green
C. Orange-red
D. Purple

99
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A) Orange-red

[Preliminary Examination of Solutions]

Color of Dichromate
A. Orange-red
B. Yellow
C. Green
D. Purple

100
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A) Purple

[Preliminary Examination of Solutions]

Color of Permanganate
A. Purple
B. Pink
C. Yellow
D. Green