In the dichromate dianion, the nature of bonds are:

Engineering

Chemistry

d Block Elements and Properties

Compounds of d Block Elements

Question

In the dichromate dianion, the nature of bonds are:

six equivalent Cr – O bonds and one O – O bond

six equivalent Cr – O bonds and one Cr – Cr bond

six non-equivalent Cr – O bonds

six equivalent Cr – O bonds and one Cr – O – Cr bond

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In the dichromate dianion structure, the negative charge can be on any O attached to Cr, therefore all Cr – O are equivalent. Also have Cr – O – Cr bond.

Thus, option D is correct.

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