Identification Test 2 Flashcards Preview

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Flashcards in Identification Test 2 Deck (29):
1

NaCH3COO

Arsenic rgt

2

As + NaCH3COO =

Ag3AsO4

3

Ag3AsO4

Reddish brown ppt

4

As + H2S =

AS2S3

5

AS2S3

Yellow mirror insoluble

6

Marsh Test

Arsenic
Arsenate
Antimony

7

As + Marsh test =

Metallic Ag

8

Metallic Ag

Black mirror insoluble in NaBrO

9

Ag coin & Sn

Antimony rgt

10

Rhodamine B, pink dye

Antimony test

11

Sb + Ag coin & Sn =

Metallic Sb

12

Metallic Sb

Black deposit

13

Sb + Marsh test result

Black mirror soluble in NaBrO

14

Sb + H2S =

Sb2S3

15

Sb2S3

Orange red

16

Sb + Rhodamine B, pink dye =

Sb +3

17

Sb +3

Violet ppt

18

Sat. HgCl2

Stannic rgt

19

Sn + Sat. HgCl2 =

HgCl / Hg

20

HgCl / Hg

White / gray ppt

21

Sn + H2S =

SnS

22

SnS

Brown ppt

23

Aluminon / NH3

Aluminum rgt

24

Al + Aluminon / NH3 =

Al (OH)3 adsorbent

25

Al (OH)3

Red ppt
White gel

26

H2O2

Chromium rgt

27

Cr + H2O2

CrO5

28

CrO5 aka

Perchromate

29

CrO5

Blue color w/c fades immediately