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Finals Org Chem > Finals > Flashcards

Finals Flashcards

(93 cards)

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1
Q

AN ORGANIC COMPOUNDS THAT CONTAINS CARBOXYL GROUP

A

Carboxylic acid

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2
Q

WHICH IS MORE ACIDIC? Stearic or acetic?

A

Acetic

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3
Q

WHAT WILL BE THE PRODUCT FORMED WHEN ACETIC ACID REACT WITH SODIUM HYDROXIDE

A

sodium acetate and water.

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4
Q

VISUAL EVIDENCE WHEN ACETIC ACID REACTS WITH SODIUM CARBONATE

A

Release of carbon dioxide

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5
Q

chemical reaction that forms at least one ester (= a type of compound produced by reaction between acids
and alcohols).

A

Esterification

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6
Q

PRODUCT FORMED WHEN ACETIC ACID WAS ADDED TO N PROPYL ALCOHOL

A

Propyl acetate

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7
Q

ODOR PRODUCED IN ESTERIFICATION OF ACETIC ACID

A

Pungent odor

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8
Q

WHAT HAPPEN WHEN ACETIC ACID WAS ADDED TO AMMONIUN HYDROXIDE?

A

There is a formation of precipitate (?)

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9
Q

VISUAL EVIDENCE WHEN TARTARIC ACID WAS ADDED TO NAH WITH KMNO4.

A

PERMANENT PURPLE COLOR APPEAR

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10
Q

WHAT HAPPEN WHEN POTASSIUM PERMANGANATE WAS ADDED TO CITRIC ACID

A

FORMATION OF YELLOW COLOR SOLUTION

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11
Q

is a chemical reaction in which water is used to break down the bonds of a particular substance.

A

Hydrolysis

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12
Q

VISUAL EVIDENCE WHEN ACETAMIDE WAS TREATED WITH SODIUM HYDROXIDE

A

GAS IS EVOLVED

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13
Q

a process by which triglycerides are reacted with sodium or potassium hydroxide (lye) to produce glycerol and
a fatty acid salt called” soap

A

Saponification

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14
Q

test for aromatic primary amides

A

Hydroxamic acid test

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15
Q

AN ORGANIC COMPOUND DERIVED FROM AMMONIA BY REPLACEMENT OF ONE OR MORE
HYDROGEN ATOMS BY ORGANIC GROUPS

A

Amines

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16
Q

WHAT HAPPEN WHEN BROMINE WATER IS ADDED TO ANILINE DROP BY DROP

A

FORMATIONOF WHITE PRECIPITATE and decolonization

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17
Q

A TEST FOR DETECTING THE PRIMARY, SECONDARY AND TERTIARY AMINE

A

The Hinsberg reaction

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18
Q

VISUAL EVIDENCE WHEN ANILINE REACTED WITH CONCENTRATED HCL AND SODIUM NITRITE

A

Formation of precipitate

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19
Q

COMPOSITION OF MAYERS REAGENT

A

Potassiummercuric IODIDE SOLUTION

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20
Q

COMPOSITON OF DRAGENDORFF’S REAGENT.

A

SOLUTION OF POTASSIUM BISMUTH IODIDE

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21
Q

THESE ARE AROMATIC ORGANIC COMPOUND WITH THE MOLECULAR FORMULA OF C6H5OH WITH A
WHITE CRYSTALLINE AND SOLID FORM.

A

Phenol

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22
Q

VISUAL EVIDENCE WHEN PHENOL REACTED WITH FERRIC CHLORIDE

A

FORMATION OF VIOLET COLOR

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23
Q

IT IS USED TO DETECT THE PRESENCE OF PHENOLIC COMPOUND

A

Litmus test

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24
Q

VISUAL EVIDENCE WHEN BROMINE WATER WAS ADDED TO PHENOL

A

DECOLORATION OF BROMINE AND FORMATION OF PRECIPITATE

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25
WHAT WILL BE THE PRODUCT IF PHENOL WAS REACTED TO BROMINE IN WATER?
2,4,6TRIBROMOPHENOL
26
Phenol on heating with phthalic anhydride in the presence of concentrated sulfuric acid forms a colourless condensation compound
phenolphthalein.
27
further reaction of phenol with phthalic anhydride with dilute sodium hydroxide solution will give a
pink color solution called fluorescein.
28
it is used to determine the presence of protein
millons test
29
visual evidence when phenol react with Millons Test
formation of red precipitate
30
which of the test sample will give a positive result to Millon's test O egg albumin O phenol O alanine O albumin and phenol
albumin and phenol
31
what will be the product when phenol reacted with sodium hydroxide
sodium phenoxide
32
which of the following test sample will not react with 2, 4 dinitrophenyl hydrazine O benzladehyde O formalin O acdtone 0 amide solution
amide solution
33
it is sued qualitatively to detect the carbonyl functionality of a ketone or aldehyde functional group
Tollens ' test
34
other name for 2, 4 dintrophenylhydrazine
Brady's reagent.
35
ORGANIC COMPOUND USED TO DETECT ALDEHYDES
TOLLENS TEST
36
WHAT COMPOSED THE SCHIFF'S REAGENT
PARASOANILINE WITH SULFUROUS ACID
37
WHAT WILL HAPPEN WHEN ALDEHYDES AND KETONES REACTED WITH SODIUM BISULFITE TEST
WILL FORM A WATER SOLUBLE crystalline BISULFITE
38
IT IS A CHEMICAL REAGENT USED TO DETERMINE THE PRESENCE OF ALDEHYDE AND AROMATIC ALDEHYDE FUNCTIONAL GROUP ALONG WITH SOME ALPHA HYDROXY KETONE WHICH CAN TAUTOMERIZE INTO ALDEHYDE
Tollen’s reagent
39
SOMETIMES CALLED SILVER MIRROR TEST
Tollen’s test
40
TEST SAMPLE WHICH IS NEGATIVE WITH TOLLENS TEST O ACETALDEHYDE O BENZALDEHYDE O FORMALIN O ACETONE
Acetone
41
WHAT COMPOSED TOLLENS REAGENT
SILVER NITRATE WITH SODIUM HYDROXIDE
42
POSITIVE RESULT WHEN TOLLENS REAGENT REACTED TO TEST SAMPLE
FORMATION OF SILVER MIRROR
43
IT IS A CHEMICAL TEST USED TO DETECT REDUCING SUGAR AND ALDEHYDE IN A SOLUTION
FEHLINGS TEST
44
APPEARANCE OF INDICATE THE PRESENCE OF ALDEHYDE GROUP WHEN TREATED WITH FEHLINGS REAGENTS
BRICK RED PRECIPITATE
45
A CHEMICAL TEST USED TO DETECT THE PRESENCE OF THIOL GROUP OF CYSTEINE IN PROTEIN
SODIUMNITROPRUSSIDE TEST
46
POSTIVE RESULT FOR SODIUM NITROPRUSSIDE TEST
WINE RED IN COLOR
47
USED IN CLINICAL TEST TO DETECT THE PRESENCE OF ACETONE IN URINE
SODIUM NITROPRUSSIDE TEST
48
FORMULA FOR IODOFORM WHICH FORM A YELLOW PRECIPITATE
CHI3 (triiodomethane)
49
WHAT WILL BE THE PRODUCT WHEN BENZALDEHYDE UNDERGOES AUTOOXIDATION
benzoic acid
50
a chemical test which is used to check for the presence of carbohydrates in a given analyte.
Molisch's test
51
WHAT COMPOSED MOLISCH REAGENT?
ALPHA NAPHTHOL DISSOLVE IN ETHANOL
52
POSITIVE EVIDENCE FOR MOLISCH TEST
PURPLE RING
53
"is used to determine if glycerin or fats are present.
acrolein test"
54
Test for glycerol is also called
Acrolein test
55
Chromic acid test reagents
5% potassium dichromate 5% sulfuric acid
56
Visual evidence of positive chromic acid test
The disappearance of the red-orange color of chromic acid and the formation of a blue-green color of the Cr (III) ion
57
Chromic acid which tested positive n-butyl sec butyl tert butyl
N-butyl and sec-butyl tested positive tert-butyl remained yellowish orange
58
Lucas test reagent
Lucas reagent
59
Lucas reagent is composed of
anhydrous zinc chloride in concentrated hydrochloric acid
60
used to differentiate and categorize primary, secondary and tertiary alcohols
Lucas test
61
Visual evidence of positive lucas test
The observation of a change where the clear and colourless characteristic of the solution changes to a turbid, cloudy, and hazy one
62
Results in lucas test: N-butyl Sec-butyl Tert-butyl Benzyl alcohol
N butyl and sec butyl no reaction (negative) Tert-butyl became cloudy and benzyl alcohol became cloudy and decolorized (positive)
63
Esterification reagent
5% salicylic acid
64
Esterification for methanol result
White precipitate formed. After adding methanol it became clear and produced strong fruity odor
65
Special test for methanol reagent
Copper wire, 0.5% resorcinol and conc, h2S04 (Sulfuric acid)
66
Special test for methanol result
After dipping copper wire 20-25 times solution turned pink/purple. After adding resorcinol and sulfuric acid it became clear
67
Iodoform test (for alcohols) reagent
Iodine solution 10% NaOH (Sodium hydroxide)
68
used to check the presence of carbonyl compounds with the structure R-CO-CH3 or alcohols with the structure R-CH(OH)-CH3 in a given unknown substance.
Iodoform test
69
Iodoform test results (test for methyl ketones) Acetone Ethyl methyl ketone Ethyl acetate
Acetone formed a yellow precipitate Ethyl methyl ketone formed a yellow precipitate Ethyl acetate formed a yellow precipitate and turned brownish-red precipitate
70
Iodoform test for alcohols Methyl Ethyl Isopropyl
Methyl- sweet odor no precipitate Ethyl- sweet odor precipitate formed Isopropyl -smells like betadine pale yellow precipitate
71
Acrolein test for glycerol reagent
Potassium bisulfate khso4
72
Tests for the carbonyl Group reagent
2,4 dinitrophenyl hydrozine
73
Tests for the carbonyl Group results 1. 2,4 - DNPH acetophenone benzaldehyde formalin acetone
acetophenone -precipitate formed benzaldehyde -precipitate formed formalin-precipitate formed acetone-no precipitate formed
74
Sodium Bisulfite Test reagent
40% NaHSO3 (sodium bisulfate) in ethanol
75
Sodium Bisulfite Test results Acetaldehyde Acetone
Acetaldehyde - off white precipitate formed Acetone - white precipitate formed Both positive
76
Test for the Aldehydes results 1. Schiff's Test Formalin Acetone Benzaldehyde Acetophenone
Formalin - turned dark purple Acetone - turned light pink/purple Benzaldehyde - magenta Acetophenone - solution crystallized
77
Tollen's Test results Formalin Benzaldehyde Glucose Acetone
Formalin - grey precipitate ) Benzaldehyde - dark grey precipitate Glucose - pink/clear solution Acetone - clear solution
78
lodofrom Test reagent Acetone Ethyl methyl ketone Ethyl acetate
Iodine in Kl (potassium iodide)
79
Molisch's Test result Glucose Stärch Benzaldehyde
Glucose -greenish to violet layer (positive) Stärch - white precipitate and violet on top (positive) Benzaldehyde - pink solution to clear solution
80
Tests for Carboxylic Acids reagent 1. Reaction with H20 & Indicators acetic acid stearic acid
Methyl orange indicator
81
Tests for Carboxylic Acids results 1. Reaction with H20 & Indicators acetic acid stearic acid
acetic acid - soluble, turned blue litmus to red, turned dark orange stearic acid- insoluble, turned litmus paper blue to red, turned red after adding indicator
82
Test for carboxylic acid Reagent Reaction with NaCO3 Acetic acid
5% Na2CO3 ( sodium carbonate)
83
Test for carboxylic acid Results Reaction with NaCO3 Acetic acid
Fizzing of bubbles was observed
84
Test for carboxylic acid reagent Reaction with neutral FeCl3 Acetic acid Tartaric acid
Neutral FeCI3 (iron(iii)chloride) solution
85
Hydroxamic Test reagent Prelim Final
1N HCI 5% FeCI3
86
Hydroxamic Test result Prelim Final
Prelim - yellow color Final - burgundy color
87
Reaction with NaOH results acetic acid stearic acid
acetic acid - formation of bubbles stearic acid - forms salt and warer
88
Reaction with NaOH reagent acetic acid stearic acid
5% NaOH (sodium hydroxide)
89
Esterification reagent acetic acid stearic acid
N-propyl alcohol Conc. H2SO4 (sulfuric acid)
90
Esterification results acetic acid stearic acid
acetic acid - sour smell stearic acid - sweet fruity odor
91
Special Tests for Tartaric acid Citric acid Reagent
5% NaOH (sodium hydroxide) 0.1% KMNO4 (Potassium permanganate)
92
Hydrolysis Reactions reagent Acetic Anhydride Acetamide
10% NaOH sodium hydroxide
93
Hydrolysis Reactions reaction Acetic Anhydride Acetamide
Acetic Anhydride - blue litmus turned red Acetamide -red litmus turned blue

Finals Org Chem (1 decks)

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