Question

for each of the following use formal charges to choose the lewis structures that give the best description of the electron distribution.
ClO2F
SO2
Lewis Formula
Lewis formula is the electron dot structure, which tells us about the bonding between the atoms of a chemical molecule. It shows the number of lone pairs of electrons present in a molecule and the position of each atom by using chemical symbols. The Lewis formula tells us the number of valence shell electrons.

Answer 1

According to the question, SO2 is the best description of electron distribution in Lewis structure.

When we draw Lewis structures, sometimes the electrons are shared in a way which seems "unfair." For instance, in (CH3)3NO, to give N 8 electrons (and not more, since N can't have more than 8), we have to draw a single bond to oxygen. If we see a reaction between (CH3)3N and an oxygen atom, both electrons that form the bond to O come from N (the former lone pair). (This is a rare example of a reaction that is both a Lewis acid-base reaction and a redox reaction.) However, once the bond is made, these electrons are shared. If you imagine that they are shared equally, then there is a single positive charge on N and negative charge on O. These are called formal charges.

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