Respuesta :
The carboxylic acid has 11 sigma and 2 pi bonds. The amine has 15 sigma bonds and 3 pi bonds.
Sigma bonds are formed by end to end overlap of atomic orbitals while pi bonds are formed by side by side overlap of atomic orbitals. In a sigma bond, the electron density lies along the axis of the bond while in a pi bond, electron density lies above and below the plane of the bond.
In H2CCHCH2COOH, there are 11 sigma and 2 pi bonds. In the compound HCCCH2CHCHCH2NH2, there are 15 sigma bonds and 3 pi bonds.
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