Carboxylic acids Flashcards

1
Q

Formula for Carbonyl

A

R-COOH

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2
Q

Formula for acyl group

A

RCO- w/ hydroxyl attached

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3
Q

Nucleophilic substitution reaction

A

Carboxylic Acids

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4
Q

In this synthesis, oxidation of primary alcohols used __

A

Carboxylic acid; K2Cr2O7 and KMnO4

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5
Q

Oxidation of methanol metabolized into _____ through ________ further metabolized into ______ through ________

A

acetyldehyde; CYP450 enzyme or alcohol dehydrogenase; acetic acid - aldehyde dehydrogenase

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6
Q

Prevents accumulation of the toxic acetyldehyde metabolite

A

Oxidation of Ethanol

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7
Q

Acetic acid in Reaction w/ Water and Indicator

A

Blue-Red Litmus ; pink soln.

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8
Q

Stearic acid in Reaction w/ Water and Indicator

A

Blue-red; orange soln.

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9
Q

reaction: release of proton/stability of conjugated base

A

Reaction w/ Water and Indicator

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10
Q

Reaction w/ Water and Indicator is detected through __

A

Ph measurement ( Ph indicator/paper)

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11
Q

Acetic Acid in Reaction with NaOH

A

soluble; cc soln

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12
Q

Stearic Acid in Reaction with NaOH

A

insoluble; cc w/ white layer

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13
Q

Reaction w/ strong bases

A

Water soluble salts (Neutralization) - Reaction with NaOH

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14
Q

Acetic Acid in Reaction w/ Na2CO3

A

positive (Effervescence) ; no change after heating

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15
Q

Reaction w/ weak bases

A

Water-soluble salt + CO2 - Reaction w/ Na2CO3

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16
Q

function: differentiate Carboxylic acid from other weak acids

A

Reaction w/ Na2CO3

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17
Q

Acetic acid in Esterification Reaction

A

Pear-like odor

18
Q

Benzoic acid in Esterification Reaction

A

Nutty-like Odor

19
Q

Reaction: alcohol reacts w/ carboxylic acid thru acid catalyst

A

Fischer Esterification - Esterification Reaction

20
Q

Fruity-like odor

A

Ester

21
Q

Acetic acid in Reaction w/ Neutral FeCl3

A

Turbid orange soln w/ reddish brown ppt

22
Q

Tartaric acid in Reaction w/ Neutral FeCl3

A

Turbid orange soln w/ reddish brown ppt

23
Q

Positive Result: Reaction w/ Neutral FeCl3

A

Reddish brown/ brick red ppt

24
Q

Reagent: Reaction w/ Neutral FeCl3

A

Neutral FeCl3

25
Q

Citric Acid in Special Test

before and after heating

A

Green soln (before heating); Brown ppt (after heating)

26
Q

Tartaric Acid in Special Test

before and after heating

A

Violet soln (before heating); Brown ppt (after heating)

27
Q

Tricarboxylic acid; no enan

A

Citric Acid

28
Q

Dicarboxylic acid; 2 enan

A

Tartaric acid

29
Q

Green soln in Special Test

A

alkaline manganate

30
Q

Brown ppt in Special Test

A

Manganese dioxide

31
Q

Ethyl acetate in Ferric Hydroxamate Test

Preliminary test

A

pale yellow-green soln.

32
Q

Ethyl acetate in Ferric Hydroxamate Test

Final test

A

Dark maroon soln.

33
Q

Ester formula

A

R1C=OOR

34
Q

Pleasant odor, used in perfume or flavoring

A

Ester

35
Q

function: Identify ester

A

Ferric Hydroxamate Test

36
Q

Acetic anhydride in Hydrolysis Reaction

litmus ; Changes in soln.

A

Blue-Red Litmus; Evol of heat

37
Q

Acetamide in Hydrolysis Reaction

litmus ; Changes in soln.

A

red-blue ; evol of gas

38
Q

Amides Formula

A

RC=ONH2

39
Q

W/ 2 acryl group (R-C=O)

A

Acid anhydrides

40
Q

Hydrolyzed into 2 moo acetic acid

A

Acetic anhydride

41
Q

Carboxylate salt and free ammonia

A

Acetamide