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Chemistry > Alkanes - Arenes > Flashcards

Alkanes - Arenes Flashcards

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1
Q

Alkene > CBrCH

A

Electrophilic addition

dry HX gas

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2
Q

Alkene > Alcohol

Lab method and Industrial method

A

Electrophilic addition (Hydration)
+ water: cold conc H2SO4, then heat
+ water: H3PO4 on silica support, 70atm 300degC

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3
Q

Alkene > Dibromoalkane

+ Observation

A

Electrophilic addition
+ Br2: in CCl4, dark
Orange-red decolourises

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4
Q

Alkene > CBrCOH

+ Observation

A

Electrophilic addition
+ Br2 (aq)
Orange decolourises

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5
Q

Alkene > CO2/H2O/RCOOH

A

Strong Oxidation

KMnO4, acidified with H2SO4, heat

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6
Q

Alkene > COHCOH Diol

A

Mild Oxidation

cold KMnO4, alkaline with NaOH

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7
Q

Alkene > RCOONa-

A

Strong Oxidation

KMnO4, NaOH, heat

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8
Q

Alkene > Alkane

Both methods

A

Reduction

H2, Ni, heat OR Pt/Pd (no heat)

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9
Q

Alkene > CO2 + H2O

A

Combustion

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10
Q

Alkane > Alkene

A

Elimination

Excess conc H2SO4, heat

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11
Q

Alcohol > Alkene

A

Elimination

Ethanolic KOH, heat

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12
Q

Benzene > Chlorobenzene

A

Electrophilic substitution (Halogenation)
+ Cl2: FeCl3/AlCl3/Lewis Acid
55 degC?

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13
Q

Benzene > Nitrobenzene

Observations?

A

E substitution (Nitration)
conc HNO3, conc H2SO4
55 degC

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14
Q

Methylbenzene > Methylchlorobenzene

A

Electrophilic substitution (Halogenation)
+ Cl2: anhydrous FeCl3/AlCl3/Lewis Acid
< 55 degC

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15
Q

Benzoic acid > Chlorobenzene

A

Electrophilic substitution (Halogenation)
+ Cl2: anhydrous FeCl3/AlCl3/Lewis Acid
> 55 degC

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16
Q

Benzene > R-Benzene

A 
Electrophilic substitution (Friedel-Crafts Alkylation)
\+ R-Cl: anhydrous FeCl3/AlCl3

Chemistry (9 decks)

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