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Q.

In HCOO- ion, the two carbon-oxygen bonds are found to be equal length, what is the reason for it?

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a

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

b

The anion HCOO- has two resonating structures

c

The electronic orbital’s of carbon atom are hybridized

d

The anion is obtained by removal of a proton from the acid molecule

answer is B.

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Detailed Solution

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Though there is an negative formal charge on the formate ion, it is shared equally between the two oxygen, Due to resonance.

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