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Chemistry · PYQ NEET UG 2018

हिन्दी

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

  1. in spite of substituents nitro group always goes to only m-position
  2. in electrophilic substitution reactions amino group is meta directive
  3. in absence of substituents nitro group always goes to m-position
  4. in acidic (strong) medium aniline is present as anilinium ion

Correct answer · Option 4

in acidic (strong) medium aniline is present as anilinium ion

Explanation

In strong acidic medium, aniline is protonated to form the anilinium ion, which is strongly meta-directing due to the electron-withdrawing positive charge.
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