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ORG CHEM LAB > Phenols > Flashcards

Phenols Flashcards

1
Q

soluble; clear dark brown to black solution

A

Phenol in 5% NaOH

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2
Q

%1 Phenol in FeCl3

A

Purple solution

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3
Q

%1 Cathecol in FeCl3

A

Clear colorless solution

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4
Q

%1 Thymol in FeCl3

A

Clear pale green solution

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5
Q

%1 a-naphthol in FeCl3

A

Dark red solution

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6
Q

Positive result: colored complexes

A

FeCl3 Test

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7
Q

Identify solubility of phenols

A

Solubility test

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8
Q

Detect phenolic compounds

A

FeCl3

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9
Q

1% phenol in Bromine Water test

A

Clear colorless solution with white prescription

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10
Q

Salicylic acid in Bromine water Test

A

Clear colorless solution with white prescription

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11
Q

Positive result: Clear colorless solution with white prescription

A

Bromine water test

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12
Q

Identify phenolics

A

Bromine water test

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13
Q

5% HCl in phenolphthalein

A

Clear colorless solution

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14
Q

5% NaOH in phenolphthalein

A

Pink solution

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15
Q

1% phenol in million’s test

A

Clear golden brown solution

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16
Q

5% albumin in Millon’s test

A

Clear yellowish solution with red precipitation

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17
Q

Positive result: red precipitation

A

Millon’s test

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18
Q

Ddetermine phenolic compounds in amino acids

A

Millon’s test

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19
Q

Test for carbonyl group

A

2,4 DNPH (Brady’s) Test
NaHSO3 Test

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20
Q

Acetone in Brady’s Test

A

Clear orange solution

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21
Q

Acetophenone in Brady’s Test

A

Yellow-Orange precipitation

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22
Q

Benzaldehyde in Brady’s Test

A

Orange solution

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23
Q

Formaldehyde in Brady’s Test

A

Reddish Orange Precipitation

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24
Q

Positive result:
yellow to orange=
red to orange=

A

Brady’s test

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25
Who’s behind Brady’s test
Oscar Brady
26
Acetone in NaHSO3
White precipitation
27
Acetyldehyde in NaHSO3
White precipitation
28
Positive result: white precipitation
NaHSO3 Test
29
Determine if compound is an aldehyde or an aliphatic methyl ketone
NaHSO3 Test
30
Test for Methyl Kentones
Sodium Nitroprusside Test Iodoform Test
31
Acetone in Sodium Nitroprusside Test
Wine red solution
32
Ethyl Methyl Ketone in Sodium Nitroprusside Test
Wine red solution
33
Positive result: wine red solution
Sodium Nitroprusside Test
34
Detect presence of acetone in urine
Sodium Nitroprusside Test
35
Acetone in Iodoform test
Canary yellow precipitation
36
Ethyl methyl ketone in Iodoform test
Canary yellow precipitation
37
Ethyl acetate
Clear colorless solution
38
Positive result: canary yellow precipitation
Iodoform test
39
Iodoform test - reagent
Wagner’s
40
Test for saccharides
Molisch’s test Bial’s test
41
5% glucose in Molisch’s test
Purple ring
42
5% starch in Molisch’s test
Purple ring
43
Positive result: purple ring
Molisch’s test
44
Benzaldehyde in Molisch’s test
Dark red solution
45
General test for saccharides
Molisch’s test
46
Who’s behind Molisch’s test
Hans Molisch
47
5% glucose in bial’s test
Clear golden brown solution
48
5% ribose in Bial’s test
Dark blue solution
49
Positive result: blue solution
Bial’s test
50
Who’s behind Bial’s test
Manfred Bial
51
Components of Bial’s reagent
Orcinol, HCl, FeCl3
52
Components of Molisch’s test
10% a-naphthol in 95% ethanol
53
Test for aldehydes
Schiff’s test Tollen’s test Fehling’s Test
54
Acetone in Schiff’s Test
Clear colorless Solution
55
Acetophenone in Schiff’s Test
Clear colorless solution
56
Benzaldehyde in Schiff’s Test
Magenta red solution
57
Formaldehyde in Schiff’s test
Magenta red solution
58
Positive result: Magenta red solution
Schiff’s Test
59
Who’s behind of Schiff’s Test
Hugo Schiff
60
Components of Schiff’s Test - Reagent
NaHSO3 with organic dye pararosaline hydrochloride
61
Acetone in tollen’s Test
Clear Colorless solution
62
5% glucose in tollen’s Test
Silver mirror precipitation
63
Formaldehyde in tollen’s Test
Silver mirror precipitation
64
Benzaldehyde in tollen’s Test
Turbid gray solution
65
Positive result: silver mirror precipitation
Tollen’s reagent
66
Who’s behind the Tollen’s reagent
Bernhard Tollens
67
Acetone in Fehling’s test
Clear blue solution
68
Benzaldehyde in Fehling’s test
Clear blue solution
69
5% glucose in Fehling’s test
Brick red precipitation
70
Formaldehyde in Fehling’s test
Brick red precipitation
71
Positive result: brick red precipitation
Fehling’s test
72
Who’s behind the Fehling’s test
Herman von Fehling
73
Fehling’s test produce positive result with ________
Aliphatic aldehyde
74
Fehling’s test produce negative result with ________
Aromatic aldehyde/ketones

ORG CHEM LAB (3 decks)

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