BITSAT 2011 Paper

Section: Chemistry

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Question : 56 of 150

Marks: +1, -0

In the anion HCOO– the two carbon-oxygen bonds are found to be of equal length. What is the reason for it ?

The C = O bond is weaker than the C — O bond.
The anion HCOO– has two resonating structures.
The anion is obtained by removal of a proton from the acid molecule.
Electronic orbitals of carbon atom are hybridised.

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