number of identical SCR bond of bonds in dichromate ion is
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The correct answer is - There are '6' identical Cr - O bonds in the dichromate ion (Cr₂O₇⁻²).
In a dichromate ion Cr₂O₇⁻², there are 6 terminal Cr – O bonds. All these bonds are equivalent due to resonance.
The Dichromate ions (Cr₂O₇⁻²) are oxoanions of chromium in the oxidation state +6.
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