pi bonds

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pi bonds

Postby Adrienne_4F » Tue Nov 27, 2018 1:40 pm

How do we explain pi bonds using hybridization? There was an example from class for C2H4, but I don't understand it.

Elena Saab 4A
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Re: pi bonds

Postby Elena Saab 4A » Tue Nov 27, 2018 2:07 pm

If you have an sp2 hybridized orbital, there is one p orbital left that is not hybridized. When you are filling electrons into the orbitals, the energy difference between sp2 and p is very small (because you can think of sp2 as an average of s and 2 p orbitals), so it is more energy favorable for the electrons to enter into the p orbital rather than having a lone pair in one of the hybridized orbital. When a bond forms with the unhybridized orbital, it is a pi bond.

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Re: pi bonds

Postby Nicklas_Wright_1A » Wed Nov 28, 2018 10:45 am

Pi bonds do not involve hybridization.

Tinisha 1G
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Re: pi bonds

Postby Tinisha 1G » Wed Nov 28, 2018 4:32 pm

Sigma bonds are involved in hybridization, but pi bonds are not involved in hybridization.

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