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A-Level Chemistry - Unit 5 > Unit 5 - Organic reactions > Flashcards

Unit 5 - Organic reactions Flashcards

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1
Q

Halogenoalkane to amine

A

Heat excess alcoholic NH3 (i.e in ethanol) - primary amines

Heat alcoholic NH3 - secondary/ tertiary amines

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1
Q

Aldehyde to carboxylic acid

A
  • In theory, oxidise with acidified potassium dichromate and heat
  • However it’s difficult to do
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2
Q

Acyl chloride to carboxylic acid

A

H2O at room temperature

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3
Q

Alcohol to halogenoalkane

A

Reflu with NaBr (sodium bromide) and H2SO4

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3
Q

Alcohol to ketone

A

Heat with acidified potassium dichromate

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4
Q

Acyl chloride to N-substituted amide

A

Amine at room temperature

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5
Q

Alkene to halogenoalkane

A

Hydrogen halide at room temperature

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6
Q

Acyl chloride to ester

A

Alcohol at room temperature

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7
Q

Alkene to alkane

A

H2 + nickel Catalyst at 150°C

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8
Q

Carboxylic acid to alcohol

A

LiAlH4 in dry diethyl ether

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9
Q

Carboxylic acid to acyl chloride

A

PCl5 at room temperature

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10
Q

Alkane to halogenoalkane

A

Halogen under UV light/radiation = free radical substitution

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10
Q

Alcohol to aldehyde

A

Heat with acidified potassium dichromate and distill off

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12
Q

Halogenoalkane to alkene

A

Reflux with sodium hydroxide and ethanol

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14
Q

Halogenoalkane to nitrile

A

HCN in presence of KCN, with ethanol

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15
Q

Halogenoalkane to alcohol

A

Reflux with NaOH (aq)

16
Q

Aldehyde/ketone to hydroxynitrile

A

Reflux HCN in presence of KCN with ethanol

17
Q

Alcohol to carboxylic acid

A

Reflux with acidified potassium dichromate

19
Q

Alcohol to ester

A

Carboxylic acid and H+ catalyst with H2SO4

20
Q

Acyl chloride to primary amide

A

Ammonia at room temperature

21
Q

Carboxylic acid to ester

A

Alcohol and H+ catalyst with H2SO4

22
Q

Nitrile to carboxylic acid

A

Acid hydrolysis with dilute HCl, H2O under reflux

A-Level Chemistry - Unit 5 (3 decks)

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