KEAM 2011 Physics and Chemistry Paper

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Question : 110 of 120

Marks: +1, -0

The bonds present in the structure of dichromate ion are

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
eight equivalent Cr-O bonds
six equivalent C r-O bonds and one Cr-O-Cr bond

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