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ANACHEM > Appendix G (confirmatory tests lng) > Flashcards

Appendix G (confirmatory tests lng) Flashcards

1
Q

identify the cation

Canary yellow ppt when 1 drop 0.1 M KI is added

A

Ag+

chem formula: AgI

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2
Q

Identify the cation

yellow ppt when 1 drop of 0.1 M KI is added?

A

Pb2+

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3
Q

Identify the cation

greenish yellow ppt when 0.1 M KI is added

A

Hg22+

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4
Q

Identify the cation

white ppt when 3 drops 1M NaOH & 3 drops of 0.1 M NaCl is added

A

Bi3+

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5
Q

Identify the cation

reddish brown ppt when 3 drops of 6M CH3COOH and 2 drops of 0.1M K4Fe(CN)6

A

Cu2+

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6
Q

Identify the cation

white ppt when 2 drops of 0.1M K4Fe(CN)6 is added

A

Cd2+

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7
Q

Identify the cation

scarlet red ppt when 1 drop of 0.1M KI is added

A

Hg2+

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8
Q

Identify the cation

black ppt when 2 drops of 0.1M HgCl2 is added

A

Sb3+

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9
Q

Identify the cation

red surface is produced when 2 drops of distilled water, 3 drops of 6M NH4OH, and 1 drop of aluminon reagent is added

A

Al3+

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10
Q

Identify the cation

blue ethereal layer is produced when added with 3 drops of 3% H2O2, 3 drops of conc. H2SO4, and 4 drops of acetone

A

Cr3+

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11
Q

Identify the cation

white ppt when 2 drops of 0.1M K4Fe(CN)6 is added

A

Zn2+

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12
Q

Identify the cation

turnbull’s blue ppt when 2 drops of 0.1M K4Fe(CN)6 is added

A

Fe2+

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13
Q

Identify the cation

blood red sol’n when 2 drops of 0.1M KSCN is added

A

Fe3+

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14
Q

Identify the cation

azure blue sol’n when 2 drops of 1M NH4SCN & 4 drops of acetone is added

A

Co2+

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15
Q

Identify the cation

cherry red ppt when 1 drop of conc NH4OH & 3 drops of C4H8N2O2 (alcoholic dimethylglyoxime) is added

A

Ni2+

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16
Q

Identify the cation

yellow ppt when 1 drop of 0.1M K2CrO4 is added

A

Ba2+

17
Q

Identify the cation

yellow ppt when 1 drop of 0.1M K2CrO4, 1 drop of 1M NH4OH, and 1 drop of 95% ethanol is added

A

Sr2+

18
Q

Identify the cation

white ppt when 1 drop of 0.1M K2C2O4 is added

A

Ca2+

19
Q

Identify the cation

pale yellow crystals when 3-5 drops of zinc uranyl acetate solution is added

A

Na+

20
Q

Identify the cation

brown ppt when one drop of 6M NaOH and 2 drops of Nessler’s reagent is added

A

NH4+

21
Q

Identify the anion

white ppt when 6M HNO3 and 2 drops of 0.1M AgNO3 is added

A

Cl-

22
Q

Identify the anion

reddish brown layer when 10 drops of CH2Cl2 (DCM), 2 drops of 6M H2SO4, and 0.1M KMnO4 (dropwise w/ shaking) is added

A

Br-

23
Q

Identify the anion

purple layer when 10 drops of CH2Cl2 (DCM), 2 drops of 6M H2SO4, and 0.1M KMnO4 (dropwise w/ shaking) is added

A

I-

24
Q

Identify the anion

blood red sol’n when 2 drops of 0.1 FeCl3 is added

A

SCN-

25
Q

Identify the anion

Prussian blue when 2 drops of 0.1 FeCl3 is added

A

Fe(CN)64-

26
Q

Identify the anion

black color when a drop of S2- is placed on a silver coin after standing for 2 mins

A

S2-

27
Q

Identify the anion

brown ring when 3 drops of 6M CH3COOH, 0.1M FeSO4 (added slowly on sides of tube) is added

A

NO2-

28
Q

Identify the anion

reddish brown ppt when 3 drops of HgCl2 is added

A

CO32-

29
Q

Identify the anion

CaC2O4 is produced when added w/ 3 drops of 0.1M CaCl2

A

C2O42-

30
Q

Identify the anion

silver mirror is produced when 3 drops of 0.1M AgNO3 sol’n and 5 drops of 6M NH4OH is added then heated in a water bath until visible result is obtained

A

C4H4O62-

31
Q

Identify the anion

silver mirror is produced when 3 drops of 0.1M AgNO3 sol’n and 5 drops of 6M NH4OH is added then heated in a water bath until visible result is obtained

A

C6H5O73-

32
Q

Identify the anion

yellow ppt is produced when 3 drops of ammonium molybdate reagent is added with 6M HNO3 then stirred then mixture is heated on a water bath for 2-3 mins

A

PO43-

33
Q

Identify the anion

loss of purple color when 1 drop of 0.1M KMnO4 w/ 5 drops of water & 2 drops of 6M H2SO4 is added

A

S2O32-

34
Q

Identify the anion

blye ethereal layer when 3 drops of 3% H2O2, 3 drops of conc. H2SO4, and 4 drops of acetone is added

A

CrO43-

35
Q

identify the anion

brown ring is produced when 2 drops of conc. H2SO4 & 0.1M FeSO4 (slowly ulet sa sides ng tube) is added

A

NO3-

36
Q

Identify the anion

white ppt when 5 drops of 0.1M KNO3 is heated in a water bath then after heating, 2 drops of 6M HNO3 & 1 drop of 0.1M AgNO3 is added

A

ClO3-

37
Q

identify the anion

white ppt is produced when 1 drop of 0.1M Pb(CH3COO)2</sub

A

SO42-

ANACHEM (4 decks)

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