Coordination Compounds

CBSE Class 12 · Chemistry · 29 past questions

20 of 29 · show all

1. Q1 2026

   The correct IUPAC name of the complex $[Pt(NH_3)_2Cl_2]$ is…

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2. Q2 2026

   Which of the following is heteroleptic complex ?

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3. Q3 2026

   The secondary valency of Co in the complex [Co(NH$_3$)$_5$(NO$_2$)]$^{2+}$ is

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4. Q4 2026

   Write IUPAC names of the following coordination compounds…

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5. Q5 2026

   The oxidation number of Co in $[Co(en)_3]_2(SO_4)_3$ is…

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6. Q6 2026

   According to Werner's theory, the primary valencies of the central metal atom…

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7. Q7 2026

   Write IUPAC names of the following compounds…

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8. Q10 2025

   The complex ions $[Co(NH_3)_5(NO_2)]^{2+}$ and $[Co(NH_3)_5(ONO)]^{2+}$ are called

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9. Q12 2025

   Name the following coordination compounds according to IUPAC norms…

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10. Q13 2025

    The correct IUPAC name of $[Pt(NH_3)_2Cl_2]^{2+}$ is

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11. Q14 2025

    For questions number 13 to 16, two statements are given – one labelled as Assertion (A) and the other…

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12. Q15 2024

    Ligand EDTA4- is an example of a…

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13. Q16 2024

    Which of the following ligand forms chelate complex ?

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14. Q17 2024

    The type of isomerism shown by the complex [CoCl₂(en)₂]⁺ is…

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15. Q19 2023

    The oxidation state of Fe in [Fe(CO)$_5$] is

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16. Q21 2023

    Write the IUPAC names of the following…

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17. Q23 2023

    How many ions are produced in the solution from the complex $[Ni(NH_3)_6]Cl_2$ ?

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18. Q24 2023

    Which of the following species is *not* expected to be a ligand ?

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19. Q25 2023

    Which of the following is the most stable complex species ?

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20. Q26 2023

    The compounds $\mathrm{[Co(SO_4)(NH_3)_5]Br}$ and $\mathrm{[Co(Br)(NH_3)_5]SO_4}$ represent…

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