IGNOU CHE 1 2018 - Predict the hybridization state of each carbon atom in allene which ha

Question

Predict the hybridization state of each carbon atom in allene which has the following structure:

CH₂ = C = CH₂

24 Jan 2018

Answer :

Word Count : 461

Allene H₂C=C=CH₂ first look at how many groups each C is attached to, the answer is colour coded below:

Image ignouacademy-com--p-state-72741

Therefore, there are 2 sp2 and 1 sp hybridised C atoms. Note that this example highlights an example of an sp hybridised C that is not part of an alkyne C≡C

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Geometry 3D view of propadiene (allene)

The central carbon atom of allene forms two sigma bonds and two pi bonds. The central carbon is sp-hybridized, and the two terminal carbon atoms are sp2-hybridized. The bond angle formed by the three carbon atoms is 180°, indicating linear geometry for the

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