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ORG CHEM LAB > Phenols > Flashcards

Phenols Flashcards

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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
Q

Who’s behind Brady’s test

A

Oscar Brady

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26
Q

Acetone in NaHSO3

A

White precipitation

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27
Q

Acetyldehyde in NaHSO3

A

White precipitation

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28
Q

Positive result: white precipitation

A

NaHSO3 Test

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29
Q

Determine if compound is an aldehyde or an aliphatic methyl ketone

A

NaHSO3 Test

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30
Q

Test for Methyl Kentones

A

Sodium Nitroprusside Test
Iodoform Test

31
Q

Acetone in Sodium Nitroprusside Test

A

Wine red solution

32
Q

Ethyl Methyl Ketone in Sodium Nitroprusside Test

A

Wine red solution

33
Q

Positive result: wine red solution

A

Sodium Nitroprusside Test

34
Q

Detect presence of acetone in urine

A

Sodium Nitroprusside Test

35
Q

Acetone in Iodoform test

A

Canary yellow precipitation

36
Q

Ethyl methyl ketone in Iodoform test

A

Canary yellow precipitation

37
Q

Ethyl acetate

A

Clear colorless solution

38
Q

Positive result: canary yellow precipitation

A

Iodoform test

39
Q

Iodoform test - reagent

A

Wagner’s

40
Q

Test for saccharides

A

Molisch’s test
Bial’s test

41
Q

5% glucose in Molisch’s test

A

Purple ring

42
Q

5% starch in Molisch’s test

A

Purple ring

43
Q

Positive result: purple ring

A

Molisch’s test

44
Q

Benzaldehyde in Molisch’s test

A

Dark red solution

45
Q

General test for saccharides

A

Molisch’s test

46
Q

Who’s behind Molisch’s test

A

Hans Molisch

47
Q

5% glucose in bial’s test

A

Clear golden brown solution

48
Q

5% ribose in Bial’s test

A

Dark blue solution

49
Q

Positive result: blue solution

A

Bial’s test

50
Q

Who’s behind Bial’s test

A

Manfred Bial

51
Q

Components of Bial’s reagent

A

Orcinol, HCl, FeCl3

52
Q

Components of Molisch’s test

A

10% a-naphthol in 95% ethanol

53
Q

Test for aldehydes

A

Schiff’s test
Tollen’s test
Fehling’s Test

54
Q

Acetone in Schiff’s Test

A

Clear colorless Solution

55
Q

Acetophenone in Schiff’s Test

A

Clear colorless solution

56
Q

Benzaldehyde in Schiff’s Test

A

Magenta red solution

57
Q

Formaldehyde in Schiff’s test

A

Magenta red solution

58
Q

Positive result: Magenta red solution

A

Schiff’s Test

59
Q

Who’s behind of Schiff’s Test

A

Hugo Schiff

60
Q

Components of Schiff’s Test - Reagent

A

NaHSO3 with organic dye pararosaline hydrochloride

61
Q

Acetone in tollen’s Test

A

Clear Colorless solution

62
Q

5% glucose in tollen’s Test

A

Silver mirror precipitation

63
Q

Formaldehyde in tollen’s Test

A

Silver mirror precipitation

64
Q

Benzaldehyde in tollen’s Test

A

Turbid gray solution

65
Q

Positive result: silver mirror precipitation

A

Tollen’s reagent

66
Q

Who’s behind the Tollen’s reagent

A

Bernhard Tollens

67
Q

Acetone in Fehling’s test

A

Clear blue solution

68
Q

Benzaldehyde in Fehling’s test

A

Clear blue solution

69
Q

5% glucose in Fehling’s test

A

Brick red precipitation

70
Q

Formaldehyde in Fehling’s test

A

Brick red precipitation

71
Q

Positive result: brick red precipitation

A

Fehling’s test

72
Q

Who’s behind the Fehling’s test

A

Herman von Fehling

73
Q

Fehling’s test produce positive result with ________

A

Aliphatic aldehyde

74
Q

Fehling’s test produce negative result with ________

A

Aromatic aldehyde/ketones

ORG CHEM LAB (3 decks)

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