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Chem 2 > carboxylic acids > Flashcards

carboxylic acids Flashcards

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1
Q

why are carboxylic acids soluble

A

C=0 and O=H bonds are polar

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2
Q

What do carboxylic acids react with for a redox reaction

A

metals

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3
Q

What do carboxylic acids react with for a neutralisation reaction

A

bases and alkalis

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4
Q

what does carboxylic acid and metal

A

carboxylate salt and hydrogen

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5
Q

What happens when carboxylic acid reacts with metal

A

the H from OH is gone making the carboxylate negatively charged, metal is added with positive charge

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6
Q

carboxylic acid and metal oxide

A

water and salt

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7
Q

carboxylic acid and alkalis

A

water and salt

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8
Q

carboxylic acid and carbonates

A

Co2 and H20 and salt

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9
Q

why is the reaction with carboxylic acid and carbonates important

A

only carboxyl group that is acidic enough to react

can help distinguish between phenols and carbox as phenols cannot react with carbonates

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10
Q

Ester functional group

A

C=0-O

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11
Q

How do you name an ester

A

First, the hydrocarbon attached to the C-O bond than the other one

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12
Q

acyl chloride functional group

A

C=O-Cl

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13
Q

How to name an acyl chloride

A

Get rid of the -oic acid and replace with -oyl chloride

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14
Q

How are acid anhydrides formed

A

Removal of water from 2 carboxilyic acids to get

C=0-O-C=O

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15
Q

How do you name an acid anhydride

A

Get rid of the -acid and add anhydride

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16
Q

What do you need to turn an carbox into an ester

A

react with alcohol

17
Q

conditions for the creation of ester

A

the alcohol warmed with carboxilyic acid and concentrated sulfuric acid

18
Q

What does a carboxylic acid and alcohol produce

A

ester and water

19
Q

What is hydrolysis

A

the chemical breakdown of a compound in the presence of water or aqueous solution

20
Q

What does the reaction of ester and water

A

carbox and alcohol

21
Q

Conditions for the hydrolysis of ester

A

ester heated under reflux with dilute aqueous acid

22
Q

what do ester and OH ions make (alkaline hydrolysis)

A

water and carboxilate ion to make a salt

23
Q

What are the other names for alkaline hydrolysis

A

saponification

24
Q

Conditions for alkaline hydrolysis with ester

A

and reflux with hot aqueous hydroxide ions

25
Q

how can a carboxylic acid make an acyl chloride

A

react with SoCl2

26
Q

What does carboxylic acid and SOcl2 make

A

acyl chloride, SO2 and HCL both gases

27
Q

what do acyl chloride and cold water make

A

Carboxylic acid and HCL

28
Q

What do acyl chloride and alcohol make

A

Ester and HCL

29
Q

ammonia chemical equation

A

NH3

30
Q

what is an amide

A

C bonded to NH2

31
Q

What does acyl chloride + ammonia make

A

primary amide and HCL

32
Q

Why isn’t phenol and acyl chloride normally used to make an ester

A

slow reaction

Chem 2 (14 decks)

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