ClO Chemical Formula&LS  [ENDORSED]

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ClO Chemical Formula&LS

Postby JennyCKim1J » Wed Oct 25, 2017 3:21 pm

For chlorine monoxide, why is its chemical formula ClO instead of Cl2O (considering ionic charge)?

Also, when I drew its LS, Cl&O had single bond, and Cl had five e- (six including e- from the bond). Does this mean I have to write 1- next to Cl?

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Re: ClO Chemical Formula&LS  [ENDORSED]

Postby Chem_Mod » Wed Oct 25, 2017 5:25 pm

Both O and Cl form negative charged species (anions) namely, O2- and Cl- so charge neutralization is not the mechanism behind their bonding as it would be for, say, NaCl (Na+ and Cl-).

Nonmetals such as O and Cl form covalent bonds. Furthermore, ClO exists as a polyatomic anion called hypochlorite ion which is negatively charged, ClO-. The extra electron should help the lewis structure make sense (a single bond between them, electron lone pairs giving an octet to each atom). When drawing the LS's of ions, you should place brackets around the LS and put the charge (oxidation state) at the top right outside the bracket.

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