Are the lone pair electrons on an carbonyl oxygen in sp2 orbitals?


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> Carbonyl Group Double Bonds
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> One pair of the oxygen lone pairs are located in 2s while the other pair are in 2p orbital where its axis is directed perpendicular to the direction of the pi orbitals.
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<http://chemwiki.ucdavis.edu/?title=Organic_Chemistry/Aldehydes_and_Ketones/Properties_of_Aldehydes_%26_Ketones/The_Carbonyl_Group>


How can a lone pair on the carbonyl oxygen be in a p orbital? Neither of the electrons in a carbonyl oxygen can be delocalized. 


This seems to be more along the lines of what I'm thinking:


[![enter image description here](https://i.stack.imgur.com/L21OJ.png)](https://i.stack.imgur.com/L21OJ.png)


