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← Bihar Board Class 12 PYQ

Coordination Compounds

Bihar Board Class 12 · Chemistry · 33 past questions

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  1. Q6 2025 Set D
    The effective atomic number (E.A.N.) of cobalt in complex ion $[Co(en)_2Cl_2]^+$ is
  2. Q20 2022 Set E
    Which statement is incorrect ?
  3. Q31 2017
    The EAN of cobalt in the complex ion $[Co(en)_2Cl_2]$ is -