Conjugation
Conjugation
Conjugation
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p Orbitals Required for <strong>Conjugation</strong><br />
• The electron pair on the carbon atom adjacent to the C=O can only be<br />
delocalized if it has a p orbital that can overlap with two other p<br />
orbitals on two adjacent atoms.<br />
• Thus, the terminal carbon atom is sp 2 hybridized with trigonal planar<br />
geometry.<br />
• Three adjacent p orbitals make the anion conjugated.<br />
• The actual hybrid has more of the charge on the oxygen and more C=C<br />
double bond character.<br />
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