In the two tetrahedral structures of dichromate ion, ______.

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In the two tetrahedral structures of dichromate ion, 6 Cr–O bonds are equivalent in length. Explanation: The Dichromate di-anion is made up of two tetrahedral molecules that share oxygen at their common corner. The structure of the chromate ion is tetrahedral. Due to resonance, the six terminal bonds in the dichromate ion have the same bond length. As a result, all six Cr–O bonds are equivalent. 6 Cr–O bonds are equivalent [Solution diagram: 359037_solution_1.png]

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