Aromatic Chemistry (A-level only) (AQA A-Level Chemistry): Flashcards

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Nitration of Benzene
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Reaction type benzene undergoes (not addition)

Substitution reactions

Why benzene resists addition reactions

Stability of delocalized electron system

Type of substitution for benzene

Electrophilic substitution

Reagents for nitration of benzene

Conc. HNO3HNO_3 and conc. H2SO4H_2SO_4

Temperature for benzene nitration

50-55°C under reflux

Product of benzene nitration

Nitrobenzene

Electrophile in benzene nitration

NO2+NO_2^+ ion

Role of H2SO4H_2SO_4 in benzene nitration

Catalyst

Catalyst in Friedel-Crafts acylation

AlCl3AlCl_3 (Lewis acid)

Electrophile in Friedel-Crafts acylation

RCO+R-CO^+ carbocation

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