1.

The bonds present in the structure of dichromate ion are

Answer»

four equivalent CR - O bonds only
Six equivalent Cr- O bonds and one O-O BOND
six equivalent Cr-O bonds and one Cr -Cr bond
six equivalent Cr -O bonds and one Cr - O - Cr bond

Solution :IN `Cr_(2)O_(7)^(2-)`

There ar six equivalent Cr-O bonds and one Cr-O-Cr bond.


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