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Coordination Compounds

CBSE Class 12 · Chemistry · 29 past questions

  1. Q1 2026
    The correct IUPAC name of the complex $[Pt(NH_3)_2Cl_2]$ is…
  2. Q2 2026
    Which of the following is heteroleptic complex ?
  3. Q3 2026
    The secondary valency of Co in the complex [Co(NH$_3$)$_5$(NO$_2$)]$^{2+}$ is
  4. Q4 2026
    Write IUPAC names of the following coordination compounds…
  5. Q5 2026
    The oxidation number of Co in $[Co(en)_3]_2(SO_4)_3$ is…
  6. Q6 2026
    According to Werner's theory, the primary valencies of the central metal atom…
  7. Q7 2026
    Write IUPAC names of the following compounds…
  8. Q8 2026
    Answer the following questions about the complexes $[NiCl_4]^{2-}$ and $[Ni(CN)_4]^{2-}$
  9. Q9 2025
    $\mathrm{PtCl_4 \cdot 2KCl}$ doesn't give precipitate of AgCl with $\mathrm{AgNO_3}$ solution. Write the…
  10. Q10 2025
    The complex ions $[Co(NH_3)_5(NO_2)]^{2+}$ and $[Co(NH_3)_5(ONO)]^{2+}$ are called
  11. Q11 2025
    The diamagnetic species is…
  12. Q12 2025
    Name the following coordination compounds according to IUPAC norms…
  13. Q13 2025
    The correct IUPAC name of $[Pt(NH_3)_2Cl_2]^{2+}$ is
  14. Q14 2025
    For questions number 13 to 16, two statements are given – one labelled as Assertion (A) and the other…
  15. Q15 2024
    Ligand EDTA4- is an example of a…
  16. Q16 2024
    Which of the following ligand forms chelate complex ?
  17. Q17 2024
    The type of isomerism shown by the complex [CoCl₂(en)₂]⁺ is…
  18. Q18 2024
    Which of the following is diamagnetic in nature ? [Atomic number : Co = 27]
  19. Q19 2023
    The oxidation state of Fe in [Fe(CO)$_5$] is
  20. Q20 2023
    The formula of the complex dichloridobis (ethane –1, 2-diamine) platinum (IV) nitrate is
  21. Q21 2023
    Write the IUPAC names of the following…
  22. Q22 2023
  23. Q23 2023
    How many ions are produced in the solution from the complex $[Ni(NH_3)_6]Cl_2$ ?
  24. Q24 2023
    Which of the following species is *not* expected to be a ligand ?
  25. Q25 2023
    Which of the following is the most stable complex species ?
  26. Q26 2023
    The compounds $\mathrm{[Co(SO_4)(NH_3)_5]Br}$ and $\mathrm{[Co(Br)(NH_3)_5]SO_4}$ represent…
  27. Q27 2023
    Assertion (A) : Low spin tetrahedral complexes are rarely observed.…
  28. Q28 2023
    In coordination compounds, metals show two types of linkages, primary and secondary. Primary valencies are…
  29. Q29 2022