Identification Test 2 Flashcards

1
Q

NaCH3COO

A

Arsenic rgt

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2
Q

As + NaCH3COO =

A

Ag3AsO4

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3
Q

Ag3AsO4

A

Reddish brown ppt

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4
Q

As + H2S =

A

AS2S3

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5
Q

AS2S3

A

Yellow mirror insoluble

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6
Q

Marsh Test

A

Arsenic
Arsenate
Antimony

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7
Q

As + Marsh test =

A

Metallic Ag

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8
Q

Metallic Ag

A

Black mirror insoluble in NaBrO

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9
Q

Ag coin & Sn

A

Antimony rgt

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10
Q

Rhodamine B, pink dye

A

Antimony test

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11
Q

Sb + Ag coin & Sn =

A

Metallic Sb

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12
Q

Metallic Sb

A

Black deposit

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13
Q

Sb + Marsh test result

A

Black mirror soluble in NaBrO

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14
Q

Sb + H2S =

A

Sb2S3

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15
Q

Sb2S3

A

Orange red

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16
Q

Sb + Rhodamine B, pink dye =

A

Sb +3

17
Q

Sb +3

A

Violet ppt

18
Q

Sat. HgCl2

A

Stannic rgt

19
Q

Sn + Sat. HgCl2 =

A

HgCl / Hg

20
Q

HgCl / Hg

A

White / gray ppt

21
Q

Sn + H2S =

A

SnS

22
Q

SnS

A

Brown ppt

23
Q

Aluminon / NH3

A

Aluminum rgt

24
Q

Al + Aluminon / NH3 =

A

Al (OH)3 adsorbent

25
Q

Al (OH)3

A

Red ppt

White gel

26
Q

H2O2

A

Chromium rgt

27
Q

Cr + H2O2

A

CrO5

28
Q

CrO5 aka

A

Perchromate

29
Q

CrO5

A

Blue color w/c fades immediately