Identification test for anions

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25 Terms

1
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Test for chloride

AgNO3 + 6M NH4OH + 6M HNO3

2
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White precipitate

Test for chloride observation

3
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Test for Thiocyanate

SCN+FeCl3

4
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Deep bloody red

Test for Thiocyanate observation

5
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Test for ferricyanide 1

Fe3(CN)3 + FeSO4

6
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Turnbull’s blue

Test for ferricyanide 1 observation

7
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Test for ferricyanide 2

Fe(CN)3 + CuSO4

8
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Muddy yellow

Test for ferricyanide 2 observation

9
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Test for borate

BO3 + ^ + Con. H2SO4 + 95% methanol

10
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Green flame

Test for borate observation

11
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Test for carbonate

CO2 + con. H2SO4

12
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Formation of bubbles / effervescent

Test for carbonate observation

13
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Test for arsenate

AsO3 + (NH4)6Mo7O24

14
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White precipitate

Test for arsenate observation

15
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Test for chromate

CrO2 + PbO2

16
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Yellow precipitate

Test for chromate (PbNO2) observation

17
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Test for acetate

CH3COO- + FeCl

18
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Orange solution

Test for acetate observation

19
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Test for sulfate

SO4 + Pb(CH3COO)2 + NH4CH3COO or SO4 + PbNO2

20
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White precipitate

Test for sulfate observation

21
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Vinegar-like odor

CH3COO- + Con. H2SO4

22
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Test for nitrite

NO2+ CH3COOH+ FeSO4

23
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Brown ring

Test for nitrite observation

24
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Test for nitrate

NO3 + con. H2SO4 + FeSO4

25
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Brown ring

Test for nitrate observation