Q.Which of the following statements about the $Cr-O$ bonds in the dichromate ion ( $Cr_2O_7^{2-}$ ) is correct?

Six

Cr-O

bonds are equivalent and the

Cr-O-Cr

bond is different

All eight

Cr-O

bonds are equivalent

Only the bridge

Cr-O

bonds are equivalent

Six

Cr-O

bonds are terminal and two are bridge bonds

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.Which of the following statements about the Cr−OCr-OCr−O bonds in the dichromate ion (Cr2O72−Cr_2O_7^{2-}Cr2​O72−​) is correct?