# What Is the Molecular Shape of So32?

August 9, 2022

Trigonal pyramidal
2−
Central atom: S
Overall VSEP: 7th
3 x double bonds − 3 pairs
Revised total: 4
Geometry: Trigonal Pyramidal (based on tetrahedron)
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[SO 3 ] 2 – VSEPR theory
http://www.chemlabs.bris.ac.uk › … › Examples

## Is SO32 trigonal planar or pyramidal?

1 answer. Well, one is trigonal planar and the other is pyramidal…

## Does SO32 have a tetrahedral shape?

If you draw the Lewis structure of SO32- you would see that it has a tetrahedral shape based on the arrangement of the 4 regions of electron density, but one of the regions of electron density is a lone pair, no other atom.

## Does SO32 have pyramidal shape?

Therefore it is a trigonal pyramid structure with angles of 107.

## What is the difference between SO3 and so32?

SO3 does not have the extra 2 electrons (SO3) 2- has 2 extra electrons. Therefore, the Lewis point structures will actually be very different. In SO3 there are three double bonds and no lone pairs on the sulfur. Adding two extra electrons changes this by donating two more electrons to sulfur.

## What is the bond order of SO3 2?

In the SO3-2 ion there are a total of four sigma bonds and π bonds to the three O atoms. Therefore, the bond order of the S-O bond becomes 4/3= 1.33.

## Is SO3 trigonal pyramidal?

The SO3 molecule has a trigonal planar geometric shape because it contains three oxygen atoms in the plane and all the bonds with resonance structure are doubly bonded.

## What makes a trigonal pyramidal?

Trigonal pyramidal geometry is also shown by molecules with four atoms or ligands. The central atom is at the apex and three other atoms or ligands are at a base where they are in the three corners of a triangle. There is a lone pair of electrons in the central atom.

## Is SO3 linear or bent?

Furthermore, it is established by the theory of valence shell electron pair repulsion (VSEPR) that the structure of sulfur trioxide (SO3) is curved shaped or trigonal pyramidal or trigonal planar with the bond angle equal to 120° .

## What is the hybridization of S in so32 −?

So3-2 is another species, it is called sulfite ion. Here the hybridization is sp3d because the lone pair of electrons is on the sulfur atom.

### References:

1. https://socratic.org/questions/what-is-the-difference-in-structure-of-so3-and-so3-2
2. https://lavelle.chem.ucla.edu/forum/viewtopic.php?t=67652
4. https://byjus.com/jee/hybridization-of-so3/
5. https://byjus.com/questions/what-is-the-difference-in-the-structure-of-so3-and-so32/
6. https://brainly.in/question/19030567
7. https://sciedutut.com/so3-molecular-geometry/
9. https://www.differencebetween.com/difference-between-trigonal-planar-and-vs-trigonal-pyramidal/
10. https://techiescientist.com/so3-lewis-structure/