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← Bihar Board Class 12 PYQ

Coordination Compounds

Bihar Board Class 12 · Chemistry · 33 past questions

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  1. Q21 2021 Set A
    The oxidation number of Cr in the complex $[Cr(H_2O)_4Cl_2]^+$ is
  2. Q22 2021 Set A
    In co-ordination compound $K_4[Ni(CN)_4]$, the oxidation state of nickel is