Identification Test 1 Flashcards

1
Q

K2CrO4

A

Lead rgt

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2
Q

H2SO4

A

Lead rgt

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3
Q

Pb + K2CrO4 =

A

PbCrO4

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4
Q

PbCrO4

A

Yellow ppt

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5
Q

Pb + H2SO4 =

A

PbSO4

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6
Q

PbSO4

A

White ppt

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7
Q

SnCI2

A

Mercury rgt

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8
Q

H2S

A
Arsenic
Arsenite
Antimony
Bismuth
Copper
Mercury
Silver
Stannic
Zinc
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9
Q

Hg + SnCI2 result

A

White ppt

Gray ppt

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10
Q

Hg + H2S =

A

HgS

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11
Q

HgS

A

Black ppt

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12
Q

HCl

A

Silver rgt

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13
Q

Ag + HCl =

A

AgCl

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14
Q

AgCl

A

White curdy ppt

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15
Q

Ag + H2S =

A

Ag2S3

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16
Q

Ag2S3

A

Black ppt

17
Q

Na2SnO2

A

Bismuth rgt

18
Q

Thioacetamide

A

Silver rgt

19
Q

Bi + Na2SnO2 =

A

Metallic Bi

20
Q

Metallic Bi

A

Black ppt

21
Q

Bi + H2S =

A

Bi2S3

22
Q

Bi2S3

A

Black ppt

23
Q

NH3

A

Copper rgt

24
Q

K4 [Fe (CN)]6

A

Copper rgt

25
Q

Cu + NH3 =

A

Cu (NH3)4 ++

26
Q

Cu (NH3)4 ++

A

Deep blue sol’n

27
Q

Cu + K4 [Fe (CN)]6 =

A

Cu2 [Fe (CN)]6

Ferrocyanide

28
Q

Cu2 [Fe (CN)]6

Ferrocyanide

A

Reddish brown ppt

29
Q

Cu + H2S =

A

CuS

30
Q

CuS

A

Black ppt