Which ion is in equilibrium with the dichromate ion (Cr2O7 2–) in aqueous solution? - d and f BLOCK ELEMENTS Quiz | GKFix.in

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Question

Which ion is in equilibrium with the dichromate ion (Cr2O7 2–) in aqueous solution?

A. Permanganate ion (MnO4 –)
B. Chromate ion (CrO4 2–)
C. Vanadate ion (VO4 3–)
D. Molybdate ion (MoO4 2–)