Class XII

One of the following behave like Lewis base
  1. Amides
  2. Esters
  3. Nitriles
  4. Amines
When pentanal reacts with ethylamine under conditions of acid catalysis, the major organic product is __________.
  1. an imine
  2. a ketone
  3. a nitrile
  4. a hydrazone
Pyridine typically undergoes________ electrophilic aromatic substitution as compared to benzene,
  1. less
  2. more
  3. same or more
  4. same
The base hydrolysis of an ester is called
  1. neutralization
  2. esterification
  3. hydrolysis
  4. saponification
Which of the following is a secondary amine?
  1. methylamine
  2. 3 – pentanamine
  3. N,N – dimethylaniline
  4. N – ethyl – 1 – propanamine
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