Chemical Properties of Haloarenes

IMPORTANT

Chemical Properties of Haloarenes: Overview

This Topic covers sub-topics such as Resonance Effect, Ullmann Reaction, Chemical Reactions of Haloarenes, Sulphonation of Haloarenes, Reaction of Haloarenes with Metals and, Electron Rich Nature of Benzene Nucleus

Important Questions on Chemical Properties of Haloarenes

EASY
IMPORTANT

Which of the following does not produce the ortho-para products in electrophilic substitution reaction?

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IMPORTANT

Identify the position of the substituents in the electrophilic substitution reaction of benzene which has electron withdrawing group.

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Identify the position of the substituents in the electrophilic substitution reaction of benzene which has electron donating group.

EASY
IMPORTANT

Complete the following reaction:

C6H5Cl+2HNaOH  Ni-Al    ?+HCl

EASY
IMPORTANT

Identify the product formed, when chlorobenzene is reduced.

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Write the equation for the conversion of chlorobenzene to benzene.

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Explain the reduction of Chlorobenzene.

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Ullmann reaction involves the conversion of iodobenzene into diphenyl.

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Write the chemical equation for Ullmann reaction.

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Iodobenzene can be converted into diphenyl by 

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Identify the metal used in Ullmann reaction.

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Explain Ullmann reaction.

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What is the hybridisation of carbon atom attached to chlorine atom in Chlorobenzene?

HARD
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Explain the instability of phenyl cation in haloarenes.

HARD
IMPORTANT

Haloarenes does not show SN1 mechanism because of instability of _____ (phenyl/benzyl/benzal)cation.

HARD
IMPORTANT

SN1 mechanism is possible in haloarenes.

MEDIUM
IMPORTANT

Explain Fittig reaction.

MEDIUM
IMPORTANT

Chlorobenzene and sodium react in dry ether medium to yield _____ (organic compound).

EASY
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Why does benzene undergo an electrophilic substitution reaction easily?

EASY
IMPORTANT

Explain electrophilic substitution reaction in haloarenes.