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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3g1110

Which of the following statements about amines are correct?

  1. ACyclohexanamine is a stronger base than aniline.
  2. B4-Nitroaniline is a weaker base than aniline.
  3. CAcetanilide is a weaker base than aniline.
  4. D4-Methylaniline is a weaker base than aniline.

Answer: A, B, C

In aniline the lone pair delocalises into the ring, whereas it is localised in cyclohexanamine. In acetanilide it is delocalised toward the carbonyl as well. In 4-nitroaniline the nitro group pulls it by -M and -I. The methyl group of 4-methylaniline donates electrons, so it is a stronger base than aniline.
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