question_answer

In the anion \[HCO{{O}^{-}}\] the two carbon-oxygen bonds are found to be of equal length. What is the reason for it

A) Electronic orbitals of carbon atom are hybridised

B) The  C = O bond is weaker than the C - O bond

C) The anion \[HCO{{O}^{-}}\] has two resonating structures

D) The anion is obtained by removal of a proton form the acid molecule

Correct Answer: C

Solution :

Anion \[HCO{{O}^{-}}\] has two resonating structure (identical).