(a) Draw a Lewis structure for the ozone molecule, O3. (The order of atom attachment is O-O-O, and they do not form a ring.) Chemists use ozone to cleave carbon-carbon double bonds (Section 6.5C).
(b) Draw four contributing resonance structures; including formal charges.
(c) How does the resonance model account for the fact that the length of each O-O bond in ozone (128 pm) is shorter than the O-O single bond in hydrogen peroxide (HOOH, 147 pm) but longer than the O-O double bond in the oxygen molecule (123 pm)?

Question

(a) Draw a Lewis structure for the ozone molecule, O3. (The order of atom attachment is O-O-O, and they do not form a ring.) Chemists use ozone to cleave carbon-carbon double bonds (Section 6.5C).
(b) Draw four contributing resonance structures; including formal charges. 
(c) How does the resonance model account for the fact that the length of each O-O bond in ozone (128 pm) is shorter than the O-O single bond in hydrogen peroxide (HOOH, 147 pm) but longer than the O-O double bond in the oxygen molecule (123 pm)?

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