Trick for Hybridization

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104922499 1F
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Joined: Fri Sep 29, 2017 7:04 am

Trick for Hybridization

Postby 104922499 1F » Wed Nov 29, 2017 10:10 am

What's a quick way or trick in finding the hybridization?

Anna Goldberg 2I
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Re: Trick for Hybridization

Postby Anna Goldberg 2I » Wed Nov 29, 2017 10:15 am

Hybridization is linked to regions of electron density and shape.
Linear is sp
Trigonal planar is sp2
Tetrahedral is sp3
Trigonal bipyramidal is sp3d
Octahedral is sp3d2

For compounds with lone pairs about the central atom, consider the electron arrangement.
For example, a trigonal pyramidal compound has a tetrahedral electron arrangement (one lone pair, three bonded pairs), and is thus sp3 hybridized.

Scott Chin_1E
Posts: 55
Joined: Sat Jul 22, 2017 3:00 am

Re: Trick for Hybridization

Postby Scott Chin_1E » Wed Nov 29, 2017 10:17 am

A quick trick to hybridization is to find out the number of electron densities for a given atom that you want to find the hybridization for, then match it up with the appropriate hybridization which has the same number of orbitals.

For example:
An element with 2 electron densities = sp (s+p = 2)
An element with 3 electron densities = (s +p + p = 3)
An element with 4 electron densities = (s +p + p + p = 4)
An element with 5 electron densities = d (s +p + p + p + d = 5)
An element with 6 electron densities = (s + p + p + p + d + d = 6)

Note that lone pairs count as electron densities.

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