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I have a doubt, kindly clarify. Nitration of aniline in strong acidic medium also gives m-nitroaniline because

Nitration of aniline in strong acidic medium also gives m-nitroaniline because

  • Option 1)

    In absence of substituents nitro group always goes to m-position.

  • Option 2)

     In electrophilic substitution reactions amino group is meta directive.

  • Option 3)

    In spite of substituents nitro group always goes to only m-position.

  • Option 4)

    In acidic (strong) medium aniline is present as anilinium ion.

 
Answers (1)
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As we learnt that

Reaction of Aniline with dil. HNO3 -

With dil. HNO3 meta product is also formed in large amount because HN2 group is protonated and it becomes P - directing.

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Option 1)

In absence of substituents nitro group always goes to m-position.

This is incorrect.

Option 2)

 In electrophilic substitution reactions amino group is meta directive.

This is incorrect.

Option 3)

In spite of substituents nitro group always goes to only m-position.

This is incorrect.

Option 4)

In acidic (strong) medium aniline is present as anilinium ion.

This is correct.

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