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CHEM 6.1 Aromatic compounds, carbonyls and acids > carboxylic acids and acyl chlorides > Flashcards

carboxylic acids and acyl chlorides Flashcards

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1
Q

why are small carboxylic acids very soluble

A

polar (electrons drawn to O)

forms H bonds with polar molecules

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2
Q

carboxylic acid + metal ->
ethanoic acid + magnesium ->
2CH3COOH + Mg ->

A

salt + hydrogen
magnesium ethanoate
(CH3COO)2Mg + H2

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3
Q

carboxylic acid + carbonate ->
ethanoic acid + sodium carbonate ->
CH3COOH + NaCO3 ->

A

salt + carbon dioxide + water
sodium ethanoate + carbon dioxide + water
CH3COONa + CO2 + H2O

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4
Q

carboxylic acid + base (alkali) ->
ethanoic acid + sodium hydroxide ->
CH3COOH + NaOH ->

A

salt + water

CH3COONa + H2O

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5
Q

carboxylic acid + base (metal oxide)->
ethanoic acid + magnesium oxide ->
CH3COOH + MgO ->

A

salt + water

(CH3COO)2Mg + H2O

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6
Q

acyl chloride
functional group
suffix e.g. CH3COCl

A

COCl
-oyl chloride
ethanoyl chloride

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7
Q

acyl chloride

how to make an acyl chloride

A

carboxylic acid + SOCl2 (OH on acid replaced with Cl)

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8
Q

acyl chlorides easily lose their

A

chlorine

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9
Q
  1. acyl chloride + water ->
  2. ethanoyl chloride + water ->
  3. CH3COCl + H2O ->
A
  1. carboxylic acid + hydrogen chloride gas
  2. ethanoic acid +
  3. CH3COOH + HCl
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10
Q
  1. acyl chloride + alcohol ->
  2. ethanoyl chloride + methanol ->
  3. CH3COCl + CH3OH ->
  4. what kind of reaction
A
  1. ester + hydrogen chloride gas
  2. methyl ethanoate +
  3. CH3COOCH3
  4. vigorous
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11
Q
  1. acyl chloride + ammonia ->
  2. ethanoyl chloride + ammonia ->
  3. CH3COCl + NH3 ->
A
  1. primary amide + hydrogen chloride gas
  2. ethanamide +
  3. CH3CONH2 + HCl
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12
Q
  1. acyl chloride + amine ->
  2. ethanoyl chloride + amine ->
  3. CH3COCl + CH3NH2 ->
A
  1. secondary amide + hydrogen chloride gas
  2. N-methylethanamide
  3. CH3CONHCH3 + HCl
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13
Q
  1. acyl chloride + phenol ->
  2. ethanoyl chloride + phenol ->
  3. CH3COCl + C6H5OH ->
  4. why is it better to use acyl chloride rather than carboxylic acid?
A
  1. ester + hydrogen chloride
  2. phenyl ethanoate
  3. CH3COOC6H5 + HCl
  4. faster to use acyl chloride
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CHEM 6.1 Aromatic compounds, carbonyls and acids (13 decks)

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