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On Dino Nuggets question 12b, why does ClO4- have three double bonds and not four? I know that with three double bonds the Cl will have a formal charge of zero and the single bonded O will have a formal charge of -1, but why is this more stable than the Cl having four double bonds and a formal charge of negative one? Thank you
SajaZidan_1K wrote:Does Cl04- not have any resonance structures? I thought it did have resonance, but it makes more sense to me that oxygen has the negative charge because it's more electronegative.
It does have resonance structures, since three of the oxygen are double bonded to the Cl and the other has a single bond. The oxygen with a single bond is the atom with the formal charge of negative 1.
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