The correct statement regarding the basicity of arylamines is :

  • Option 1)

    Arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring \pi electron system.

  • Option 2)

    Arylamines are generally more basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring \pi electron system.

  • Option 3)

    Arylamines are generally more basic than alkylamines because of aryl group.

  • Option 4)

    Arylamines are generally more basic than alkylamines, because the nitrogen atom in arylamines is sp-hybridized.

 

Answers (1)

As we learnt in

Amines -

Amines are the derivatives of ammonia obtained by replacement of H atoms by any alkyl or aryl radicals. 

-

 

 Arylamines are less base than alkylamines because the nitrogen cone pair electrons are delocalised by interaction with aromic ring \pi electron system.


Option 1)

Arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring \pi electron system.

This option is correct.

Option 2)

Arylamines are generally more basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring \pi electron system.

This option is incorrect.

Option 3)

Arylamines are generally more basic than alkylamines because of aryl group.

This option is incorrect.

Option 4)

Arylamines are generally more basic than alkylamines, because the nitrogen atom in arylamines is sp-hybridized.

This option is incorrect.

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