What is the reason for the two carbon-oxygen bonds in the $HCOO^-$ anion having equal length?
- AThe electronic orbitals of the carbon atom are hybridized.
- BThe $C-O$ bond is weaker than the $C=O$ bond.
- CThe $HCOO^-$ anion has two resonance structures.
- DThe anion is formed by the removal of a proton from the acid molecule.
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