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W allylic and benzylic carbanions are said to have sp2 hybridsation?why?

agam goel , 11 Years ago
Grade 12
anser 2 Answers
Ramreddy
Allylic and benzylic cabanions are said to have sp2 hybridization because they lone pairs present on carbon involve in delocalization(Resonance). However delocalization is effective if it has more planar arrangement (which provides maximum overlap). So due to this it is said to have sp2 hybridization.
Last Activity: 11 Years ago
Rakesh kumar
Electron present on carbon next to double bond is consumed in in resonance so resultant partial double bond character of  carbon with two hydrogen form sp2 hybridisation ,make the structure planar
 
Last Activity: 7 Years ago
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