In the anion HCOO⁻ the two carbon-oxygen bonds are found to be of equal length. what is the reason for it ?
(a) The C = O bond is weaker than the C — O bond
(b) The anion HCOO⁻ has two resonating structures
(c) The anion is obtained by removal of a proton from the acid molecule
(d) Electronic orbitals of carbon atom are hybridised
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The correct answer is b
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