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INORG CHEM LAB > Identification Tests for Anions > Flashcards

Identification Tests for Anions Flashcards

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1
Q

Cl WHITE PPT

A

AgNO3

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2
Q

Cl PPT DISSOLVES

A

6M NH4OH

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3
Q

Cl PPT REPRECIPITATES

A

6M HNO3

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4
Q

SCN DEEP BLOODY RED SOL

A

FeCl3

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5
Q

DEEP BLOODY RED SOL

A

SCN- + FeCl3

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6
Q

Fe(CN)6-3 TURNBULL’S BLUE (dark green blue)

A

FeSO4
FERROUS SULFATE

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7
Q

Fe(CN)6-3
MUDDY YELLOW

A

CuSO4
COPER SULFATE

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8
Q

(dark green blue)
Turnbull’s blue

A

Fe(CN)6-3 + FeSO4 (ferrous sulfate)

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9
Q

(muddy yellow)

A

Fe(CN)6-3 + CuSO4 (copper sulfate)

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10
Q

IDENTIFICATION TEST FOR BORATE

A

H2SO4
95% METHANOL

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11
Q

BO3-3 Δ + conc. H2SO4 + CH3OH

A

GREEN FLAME

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12
Q

GREEN FLAME

A

BO3-3 Δ + conc. H2SO4 + CH3OH

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13
Q

CO3-2 + conc. H2SO4

A

EFFERVESCENCE

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14
Q

CO3-2 + conc. H2SO4

A

EFFERVESCENCE

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15
Q

ARSENATE IDENT TEST

A

AMMONIUM MOLYBDATE

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16
Q
A
16
Q

AsO4-3 + (NH4)2MoO4 (ammonium molybdate)

A

WHITE PPT

17
Q

WHITE PPT

A

AsO4-3 + (NH4)2MoO4 (ammonium molybdate)

18
Q

CrO4-2 + Pb(NO3)2 (lead nitrate)

A

YELLOW PPT

19
Q

YELLOW PPT

A

CrO4-2 + Pb(NO3)2 (lead nitrate)

20
Q

brown ring conjunction:
NO2- (nitrate) + diluted CH3COOH + FeSO4

A

POSITIVE

21
Q

brown ring conjunction:
NO2- + conc. H2SO4 + FeSO4

A

POSITIVE

22
Q

brown ring conjunction:
NO3- + diluted CH3COOH + FeSO4

A

POSITIVE

23
Q

brown ring conjunction:
NO3- + conc. H2SO4 + FeSO4

A

NEGATIVE

24
Q

CH3COO- (acetate) + FeCl3

A

ORANGE SOL

25
Q

ORANGE SOL

A

CH3COO- (acetate) + FeCl3

26
Q

SO4-2 + Pb(NO3)2

A

WHITE PPT

27
Q

White ppt (soluble in HNO3)
(dissolves upon heating)

A

AsO4-3 + (NH4)6 Mo7O24

28
Q

Vinegar-like odor

A

CH3COO- + Conc. H2SO4

INORG CHEM LAB (12 decks)

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