Class XII

Direct nitration of aniline yields significant amount of meta derivative. To obtain more p – nitro derivative, one or more of the below can be done
  1. acetylation reaction
  2. controlling the nitration reaction
  3. all of these
  4. reacting with acetic anhydride
Amines are soluble in
  1. only slightly soluble in water
  2. water
  3. only slightly soluble in organic solvents
  4. organic solvents
Pyridine typically undergoes________ electrophilic aromatic substitution as compared to benzene,
  1. less
  2. more
  3. same or more
  4. same
Aniline does not undergo one of the following
  1. alkylation and acetylation
  2. Bromination
  3. Sulphonation
  4. Nitration
When pyridine is treated with a mixture of nitric and sulfuric acids, the major product is:
  1. 3 – nitropyridine
  2. 2 – nitropyridine
  3. 3 – aminopyridine
  4. 4 – aminopyridine
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