Topic V Bonding II postAK

Topic V Bonding II postAK - c-O bonds in this model? e. In...

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•• Topic V- Bonding II Post Problem The molecule crotonaldehyde has the structural formula shown below: H H H H I I I I,. . H-C-C=C-C=O I H a. Add any missing lone pairs to make the Lewis structure. b. Identify the bond angles and hybridization at each carbon and oxygen atom, and then draw the a-bond structure for the molecule. c. How may unhybridized p-orbitals are there, where are they located, and how may electrons are there in these p-orbitals? d. Where would the simplest localized electron, valence-bond model put the 3t orbitals, and how many would there be? What bond orders would be predicted for the C-C and
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Unformatted text preview: c-O bonds in this model? e. In contrast, ifyou were to fonn delocalized 3t molecular orbitals from these p-orbitals, which atoms would be spanned by the resulting delocalized orbitals? What bond orders or multiplicities would the delocalized MO approach predict for the C-C and C-O bonds? H b. , I \4 -C '"' --Co .~ ~(oq C . 1'twu. vill' k 'CA Y V.v'l h~~.,~c.li1c.! 'P OY" i ~ l ~ ~ e .. ~ <J~ ~ ~~~~e $,' h,nr , J~~ ~~ o;J. .,.,., (MO~~r ' ~~ ""ill Iwtt ~ ~Iec. ~ ) So 4 i.1 ~. . ).( I -_ c::. - . S D~J.~<I 1' 20 r---------~"-------- " ----...
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Topic V Bonding II postAK - c-O bonds in this model? e. In...

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