In the dichromate anion (Cr 2 O 7 2– )

Chemistry · Class 12 · CBSE — The d- and f-Block Elements

1. all Cr — O bonds are equivalent
2. 6 Cr — O bonds are equivalent
3. 3 Cr — O bonds are equivalent
4. no bonds in Cr₂O₇^2– are equivalent.

Answer

(B) 6 Cr — O bonds are equivalent

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