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Which is wrong w.r.t. K(2)Cr(2)O(7) ?...

Which is wrong w.r.t. `K_(2)Cr_(2)O_(7)` ?

A

`K_(2)Cr_(2)O` may be used as oxidizing agent in `HCl` but not `KMnO_(4)`

B

Tetrahedral chromate and dichromate ion are interconvertible in aq.solution

C

Act as oxidant in acidic medium where Eqt.mass `=(M)/(6)`

D

Solubility of `Na_(2)Cr_(2)O_(7) lt K_(2)Cr_(2)O_(7)`

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