Question:

The increasing order of basicity of the following compounds is:

Updated On: Jul 12, 2024
  • (A) (b) < (a) < (c) < (d)
  • (B) (b) < (a) < (d) < (c)
  • (C) (d) < (b) < (a) < (c)
  • (D) (a) < (b) < (c) < (d)
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The Correct Option is B

Solution and Explanation

Explanation:
Order of base nature depends on electron donation tendency. In compound nitrogen 
 is sp2 hybridized so least basic among all given compounds. the compound 
 is very strong nitrogenous organic base as lone pair of one nitrogen delocalize in resonance and make another nitrogen negatively charged and conjugate acid have two equivalent resonating structure.Thus it is most basic in given compounds.
Hence, the correct option is (B).
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