Coordination Compounds

Bihar Board Class 12 · Chemistry · 33 past questions

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1. Q5 2025 Set D

   The oxidation state of Fe in $K_4[Fe(CN)_6]$ is

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2. Q6 2025 Set D

   The effective atomic number (E.A.N.) of cobalt in complex ion $[Co(en)_2Cl_2]^+$ is

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3. Q7 2025 Set D

   The structure of complex ion $[\text{Ni (CN)}_4]^{2-}$ is

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4. Q8 2025 Set D

   The IUPAC name of complex compound $[\text{Co(NH}_3)_6]\text{Cl}_3$ is

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5. Q9 2025 Set D

   Which of the following cannot show linkage isomerism ?

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