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Chemical Bonding And Molecular Structure

Question
CBSEENCH11005689

Calculate the formal chrage on each O-atom of O3 molecule. 

Solution
The formal charge on each O- atom of O3 molecule is given as,
The Lewis structure of O3 may be drawn as:

The atoms have been numbered as 1, 2 and 3. Formal charge (F.C.) on end O–atom numbered 1.
 equals space 6 minus 4 minus 1 half left parenthesis 4 right parenthesis space equals space 0
Formal charge (F.C.)on central O-atom numbered.
 2 space equals space 6 minus 2 minus 1 half left parenthesis 6 right parenthesis space equals space plus 1
Formal charge (F.C.) on end O-atom numbered 3.
equals 6 minus 6 minus 1 half left parenthesis 2 right parenthesis space equals space minus 1
Hence, we represent O3 along with the formal charges as follows: