Question

Write resonance structure for so2 and co2?

Answer 1

Sulfur dioxide, or SO2 , has two resonance structures which contribute equally to the overall hybrid structure of the molecule. However, a third Lewis structure can be drawn for SO2 which is more stable in theory, but doesn't quite match experimental data. ... The negative charge will be split on the two oxygen atoms.

Answer 2

The resonating structure of $CO_2$ and $SO_2$ is shown below.

Explanation :

Resonance structure : Resonance structure is an alternating method or way of drawing a Lewis-dot structure for a compound.

Resonance structure is defined as any of two or more possible structures of the compound. These structures have the identical geometry but have different arrangements of the paired electrons. Thus, we can say that the resonating structure are just the way of representing the same molecule.

First we have to determine the Lewis-dot structure of $CO_2$ and $SO_2$.

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

The given molecule is, $CO_2$

As we know that carbon has '4' valence electrons and oxygen has '6' valence electrons.

Therefore, the total number of valence electrons in  = 4 + 2(6) = 16

According to Lewis-dot structure, there are 8 number of bonding electrons and 8 number of non-bonding electrons.

The given molecule is, $SO_2$

As we know that sulfur has '6' valence electrons and oxygen has '6' valence electrons.

Therefore, the total number of valence electrons in  = 6 + 2(6) = 18

According to Lewis-dot structure, there are 6 number of bonding electrons and 12 number of non-bonding electrons.

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