The document discusses reactions of haloalkanes and haloarenes. It describes various nucleophilic substitution, elimination, and electrophilic substitution reactions of haloalkanes. For haloarenes, it discusses that nucleophilic substitution is less favorable due to resonance effects. It also outlines electrophilic substitution reactions like halogenation, nitration, sulfonation, and Friedel-Crafts reactions that are possible for haloarenes. Reaction of haloarenes with metals like Wurtz-Fittig and Fittig reactions are additionally summarized.
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Haloalkanes and haloarenes
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REACTIONS OF HALOALKANES
Bimolecular nucleophilicsubstitution
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REACTIONS OF HALOALKANES
Unimolecularnucleophilicsubstitution
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REACTIONS OF HALOALKANES
Elimination reactions
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REACTIONS OF HALOALKANES
Reaction with metals
Most organic chlorides, bromides & iodides
react with certain metals to give compounds
containing carbon-metal bonds. Such
compounds are known as organo-metallic
compounds.
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REACTIONS OFHALOARENES
Nucleophilic substitution
In haloarenes CCl bond acquires a partial
double bond character due to resonance. As a
result, the bond cleavage in haloarene is
difficultthan haloalkane and hence they are
less reactive towardsnucleophilic
substitution reaction.
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REACTIONS OFHALOARENES
Electrophilic substitution reactions
(i) Halogenation
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REACTIONS OFHALOARENES
Electrophilic substitution reactions
(ii) Nitration
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REACTIONS OFHALOARENES
Electrophilic substitution reactions
(iii) Sulphonation
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REACTIONS OFHALOARENES
Electrophilic substitution reactions
(iv) Friedel-Crafts reaction
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REACTIONS OFHALOARENES
Electrophilic substitution reactions
(iv) Friedel-Crafts reaction
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REACTIONS OFHALOARENES
Reaction with metals
(i)Wurtz-Fittig reaction
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REACTIONS OFHALOARENES
Reaction with metals
(ii)Fittig reaction