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Chem 30B > Carboxylic acids, esters, amides > Flashcards

Carboxylic acids, esters, amides Flashcards

1
Q
A

Formic acid

methanoic acid

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2
Q
A

acetic acid

ethanoic acid

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3
Q
A

propionic acid

propanoic acid

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4
Q
A

butyric acid

butanoic acid

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5
Q
A

beta-methylbutyric acid

3-methylbutanoic acid

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6
Q
A

beta-chloroproionic acid

3-chloropropanoic acid

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7
Q

Properties of carboxylic acids

A

1-4 Cs soluble in water
Higher bp than alcohols - can H-bond with self
Weak acids

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8
Q

Properties of esters

A

Can’t H-bond with selves
Pleasant odors
Not acidic or basic
2-part name: alkyl group on O, then parent carboxylic acid

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9
Q
A

Ethyl benzoate

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10
Q
A

propyl butanoate

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11
Q

Properties of amides

A

Primary and secondary amides can form H-bonds
Higher boiling points with more H’s on the N
Aren’t basic or acidic

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12
Q
A

Formamide

methanamide

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13
Q
A

acetamide

ethanamide

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14
Q
A

benzamide

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15
Q
A

N-ethyl-N-methylbutanamide

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16
Q

Esterification reaction

A

Reactants: Carboxylic acid + alcohol
Conditions: acid AND heat catalyst, equilibrium arrows
Products: Water and ester

17
Q

Reaction of carboxylic acid and water

A

Reactants: Carboxylic acid, water
Conditions: No catalyst, equilibrium arrows
Products: H3O+ and carboxylate ion

18
Q

Reaction of carboxylic acid and strong base

A

Reactants: carboxylic acid, NaOH or KOH
Conditions: no catalyst, goes to completion
Products: H20 + carboxylate salt

19
Q

Amidation reaction

A

Reactants: Carboxylic acid and amine
Conditions: Heat catalyst, goes to completion
Products: water, amide

20
Q

Acid hydrolysis of esters

A

Reactants: Ester and water
Conditions: acid and heat catalyst, equilibrium arrows
Products: Carboxylic acid and alcohol

21
Q

Base hydrolysis of ester

A

Reactants: ester + strong base
Conditions: Heat, goes to completion
Products: carboxylate salt + alcohol

22
Q

Acid hydrolysis of amide

A

Reactants: Amide + H2O + Strong acid
Conditions: no catalyst, goes to completion
Products: Carboxylic acid + ammonium salt

23
Q

Base hydrolysis of amide

A

Reactants: Amide + strong base
Conditions: No catalyst, goes to completion
Products: Carboxylate salt + amine

Chem 30B (5 decks)

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