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AQA AS Chemistry Revision > Mechanisms > Flashcards

Mechanisms Flashcards

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1
Q

Give the type of reaction and conditions:

Alkane -> Chloroalkane

A

Free Radical Substitution
UV light
Cl2

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2
Q

Give the type of reaction and conditions:

Alkene -> Polyalkene

A

Addition Polymerisation
Low temp
High Pressure

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3
Q

Give the type of reaction and conditions:

Alkene -> Haloalkane

A

Electrophilic Addition
Hydrogen Halide (g)
Room temp

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4
Q

Give the type of reaction and conditions:

Alkene -> Dibromoalkane

A

Electrophilic Addition
Br2 in water or other organic solvent
Room temp

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5
Q

Give the type of reaction and conditions:

Alkene -> Alkylhydrogensulphate

A

Electrophilic Addition
Conc. sulphuric acid
Cold temp.

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6
Q

Give the type of reaction and conditions:

Alkylhydrogensulphate -> alcohol

A

Hydrolysis
Water
Warm temp.

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7
Q

Give the type of reaction and conditions:

Alkene -> alcohol

A 
Hydration
Steam
300°C 
60atm
H3PO4 catalyst
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8
Q

Give the type of reaction and conditions:

Haloalkane -> alcohol

A

Nucleophilic substitution
NaOH (aq) or KOH (aq)
Warm under reflux

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9
Q

Give the type of reaction and conditions:

Haloalkane -> nitrile

A

Nucleophilic substitution
KCN in aqueous ethanol
Boil under reflux

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10
Q

Give the type of reaction and conditions:

Haloalkane -> amine

A

Nucleophilic Substitution
Ammonia in ethanol in sealed tube
Heat

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11
Q

Give the type of reaction and conditions:

Halo alkane -> alkene

A

Elimination
KOH in ethanol
Heat

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12
Q

Give the type of reaction and conditions:

Primary alcohol -> aldehyde

A

Mild oxidation
Potassium dichromate and dilute Sulphuric acid
Heat, distillation
(Without reflux)

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13
Q

Give the type of reaction and conditions:

Secondary alcohol -> ketone

A

Oxidation
Potassium dichromate with dilute sulphuric acid
Heat, distillation
(no reflux)

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14
Q

Give the type of reaction and conditions:

Aldehyde -> Carboxylic acid

A

Oxidation
Potassium dichromate with dilute sulphuric acid
Heat under reflux

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15
Q

Give the type of reaction and conditions:

Alcohol -> alkene

A

Elimination
Conc. sulphuric acid
Heat

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16
Q

Give the type of reaction and conditions:

Glucose -> Ethanol

A

Fermentation
35-55°C
No oxygen
Yeast

AQA AS Chemistry Revision (4 decks)

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