The bonds present in the structure of dichrom | vedclass

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(D) The structure of the dichromate ion,$Cr_2O_7^{2-}$,consists of two $CrO_4$ tetrahedra sharing a common oxygen atom.In this structure,there are six

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Six equivalent $Cr-O$ bonds and one $Cr-O-Cr$ bond

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(D) The structure of the dichromate ion,$Cr_2O_7^{2-}$,consists of two $CrO_4$ tetrahedra sharing a common oxygen atom.In this structure,there are six terminal $Cr-O$ bonds which are equivalent due to resonance.Additionally,there is one $Cr-O-Cr$ bridge bond.Therefore,the structure contains six equivalent $Cr-O$ bonds and one $Cr-O-Cr$ bond.

The bonds present in the structure of dichromate ion are:

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