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Chemistry A Level > Reaction mechanisms > Flashcards

Reaction mechanisms Flashcards

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1
Q

What is the mechanism, the reagents and the conditions for the reaction of an Alkene to make an Alkane?

A

Addition (Hydrogenation)
H2(g) / Nickel catalyst
High temperature and pressure

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2
Q

What is the mechanism, the reagents and the conditions for the reaction of an alkane to make a haloalkane?

A

Radical substitution
Halogen
UV light

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3
Q

What is the mechanism, the reagents and the conditions for the reaction of a haloalkane to make an alcohol?

A

Nucleophilic substitution
NaOH (aq) - Sodium hydroxide
Heat under reflux

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4
Q

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make a haloalkane?

A

Nucleophilic substitution
Sodium halide
Sulfuric acid

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5
Q

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make an alkene?

A

Elimination (dehydration)
conc. Sulfuric / phosphoric acid
Heat under reflux

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6
Q

What is the mechanism, the reagents and the conditions for the reaction of an alkene to make an alcohol?

A

Addition (hydration)
Steam, H2O
Conc. Phosphoric acid

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7
Q

What is the mechanism, the reagents and the conditions for the reaction of an alkene to make a haloalkane?

A

Electrophilic addition

Hydrogen halide or Halogen

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8
Q

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make a ketone?

A

Oxidation
H+ / Cr2O7 2- = Acidified potassium dichromate
Heat under reflux

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9
Q

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make an aldehyde?

A

Oxidation
H+ / Cr2O7 2- = Acidified potassium dichromate
Distill immediately

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10
Q

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make a carboxylic acid?

A

Oxidation
H+ / Cr2O7 2- = Acidified potassium dichromate
Heat under reflux

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11
Q

What is the mechanism, the reagents and the conditions for the reaction of an aldehyde to make a carboxylic acid?

A

Oxidation
H+ / Cr2O7 2- = Acidified potassium dichromate
Heat under reflux

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12
Q

What is the mechanism, the reagents and the conditions for the reaction of an alcohol and a carboxylic acid to make an ester?

A

Condensation (esterification)
conc. H2SO4 = Sulfuric acid
Heat under reflux

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Chemistry A Level (12 decks)

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