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Author Question: Pyrrole is a weak base because: A) the nitrogen lone pair is part of the aromatic system. ... (Read 114 times)

kodithompson

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Pyrrole is a weak base because:
   
 
   
  A)
  the nitrogen lone pair is part of the aromatic system.
  B)
  the nitrogen lone pair is in an sp2-hybridized orbital.
  C)
  the nitrogen lone pair is on a highly electronegative atom.
  D)
  the nitrogen lone pair is easily deprotonated
  E)
  the nitrogen lone pair is easily protonated.

Question 2

In imidazole,
   
  A)
  the chemistry is more like a diene than like an aromatic compound.
  B)
  the chemistry is more like an isolated alkene than an aromatic compound.
  C)
  N1 is more basic than N3.
  D)
  both N3 and N1 are equally basic.
  E)
  N3 is more basic than N1.

Question 3

The decreasing order of basicity of the following is:
   
   
  A)
  1 > 2 > 3
  B)
  1 > 3 > 2
  C)
  3 > 2 > 1
  D)
  2 > 1 > 3
  E)
  3 > 1 > 2

Question 4

Pyridine is a weaker base than aliphatic tertiary amines because
  A)
  the N is sp2 hybridized in pyridine and sp3 hybridized in aliphatic amines.
  B)
  there are no unshared electrons on the N in pyridine.
  C)
  the electrons on the N in pyridine are delocalized around the ring.
  D)
  the N in pyridine is already protonated.
  E)
  the unshared electron pair on N in pyridine is part of the aromatic p system.



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Jevvish

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Answer to Question 1

a

Answer to Question 2

e

Answer to Question 3

c

Answer to Question 4

a





 

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