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INORGANIC CHEMISTRY > PICLAB: IDENTIFICATION TESTS FOR ANIONS > Flashcards

PICLAB: IDENTIFICATION TESTS FOR ANIONS Flashcards

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1
Q

Deep (bloody) red solution

A

SCN- + FeCl3

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2
Q

Turnbull’s blue (Dark green blue)

A

Fe(CN)6^-3 + FeSO4

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3
Q

Muddy yellow

A

Fe(CN)6^-3 + CuSO4

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4
Q

BO3^-3 (heat) + conc. H2SO4 + CH3OH

A

GREEN FLAME

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5
Q

CO3^-2 + conc. H2SO4

A

EFFERVESCENCE

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6
Q

AsO4^-3 + (NH4)2 MoO4

A

WHITE PRECIPITATE

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7
Q

CrO4^-2 + Pb(NO3)2

A

YELLOW PRECIPITATE

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8
Q

CH3COO- + FeCl3

A

ORANGE SOLUTION

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9
Q

SO4^-2 + Pb(NO3)2

A

WHITE PRECIPITATE

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10
Q

CONFIRMATORY REAGENTS
- AgCH3COO or AgNO3

A

ANION
Cl-

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11
Q

CONFIRMATORY REAGENTS
- FeCl3

A

ANION
SCN-

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12
Q

CONFIRMATORY REAGENTS
- FeSO4

A

ANION
Fe(CN)6^-3

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13
Q

CONFIRMATORY REAGENTS
- CuSO4

A

ANION
Fe(CN)6^-3

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14
Q

CONFIRMATORY REAGENTS
- heat + CH3OH + conc H2SO4

A

ANION
BO3^-3

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15
Q

CONFIRMATORY REAGENTS
- Conc. H2SO4

A

ANION
CO3^-2

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16
Q

CONFIRMATORY REAGENTS
- (NH4)6 Mo7O24

A

ANION
AsO4^-3

17
Q

CONFIRMATORY REAGENTS
- H2O2, conc H2SO4

A

ANION
CrO4^-2

18
Q

CONFIRMATORY REAGENTS
- conc H2SO4 & FeCl3

A

ANION
CH3COO-

19
Q

CONFIRMATORY REAGENTS
- Pb(NO3)2

A

ANION
SO4^-2

20
Q

CONFIRMATORY REAGENTS
- CH3COOH + FeSO4

A

ANION
NO2-

21
Q

CONFIRMATORY REAGENTS
- Conc H2SO4 + FeSO4

A

ANION
NO3-

22
Q

ANION
Cl- + AgCh3COO or AgNO3

A

WHITE PRECIPITATE
= AgCl (ins. in HNO3; sol. in NH3)

23
Q

ANION
- SCN- + FeCl3

A

BLOOD RED SOLUTION
= FeSCN^2+

24
Q

ANION
- Fe(CN)6^-3 + FeSO4

A

VERY BRIGHT BLUE/GREEN (TURNBULL’S BLUE)
= Fe3[Fe(CN)6]2

25
Q

ANION
- Fe(CN)6^-3 + FeSO4

A

VERY BRIGHT BLUE/GREEN (TURNBULL’S BLUE)
= Fe3[Fe(CN)6]2

26
Q

ANION
- Fe(CN)6^-3 + CuSO4

A

GREENISH WHITE
= Cu3 [Fe(CN)6]2

27
Q

ANION
BO3^-3 + heat+ CH3OH + conc H2SO4

A

GREEN BORDERED FLAME
= (CH3)3BO3

28
Q

ANION
CO3^-2 + conc H2SO4

A

FORMATION OF BUBBLE (UPON ADDITION)
= CO2 GAS

29
Q

ANION
AsO4^-3 + (NH4)6 Mo7O24

A

WHITE PRECIPITATE (SOLUBLE IN HNO3, dissolves upon heating )
= (NH4)3 AsO4 ⚫️ 12M7O24

30
Q

ANION
CrO4^-2 + H2O2, comic H2SO4

A

ORANGE/DARK BROWN SOLUTION
= Cr2O7^-2

31
Q

ANION
CH3COO- + Conc H2SO4

A

VINEGAR-LIKE ODOR
= CH3COOH

32
Q

CONFIRMATORY REAGENTS
CH3COO- +FeCl3

A

ORANGE SOLUTION
= Fe(Ch3COO)3

33
Q

CONFIRMATORY REAGENTS
So4^-2 +Pb(NO3)2

A

WHITE PRECIPITATE
= PbSO4

34
Q

ANION
NO2- + CH3COOH + FeSO4

A

BROWN RING
= FeNOSO4

35
Q

ANION
NO3- +conc H2SO4+FeSO4

A

BROWN RING
= FeNOSO4

INORGANIC CHEMISTRY (19 decks)

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