Coordination Compounds

JEE Advanced · Chemistry · 55 past questions

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1. Q4 2025 Paper 2

   During sodium nitroprusside test of sulphide ion in an aqueous solution, one of the ligands coordinated to…

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2. Q5 2025 Paper 2

   The sum of the spin only magnetic moment values (in B.M.) of [Mn(Br)$_6$]$^{3-}$ and [Mn(CN)$_6$]$^{3-}$ is…

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3. Q15 2021 Paper 1

   The calculated spin only magnetic moments of $[\mathrm{Cr(NH_3)_6}]^{3+}$ and $[\mathrm{CuF_6}]^{3-}$ in BM…

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4. Q18 2021 Paper 2

   Paragraph…

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5. Q27 2016 Paper 2

   The geometries of the ammonia complexes of Ni$^{2+}$, Pt$^{2+}$ and Zn$^{2+}$, respectively, are

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6. Q28 2015 Paper 1

   For the octahedral complexes of Fe$^{3+}$ in SCN$^-$ (thiocyanato-S) and in CN$^-$ ligand environments, the…

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7. Q29 2015 Paper 2

   In the complex acetylbromidodicarbonylbis(triethylphosphine)iron(II), the number of Fe–C bond(s) is

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8. Q32 2013 Paper 1

   Consider the following complex ions, $P$, $Q$ and $R$.…

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9. Q35 2012 Paper 1

   The colour of light absorbed by an aqueous solution of CuSO$_4$ is

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10. Q36 2012 Paper 1

    As per IUPAC nomenclature, the name of the complex [Co(H$_2$O)$_4$(NH$_3$)$_2$]Cl$_3$ is

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11. Q37 2012 Paper 2

    $NiCl_2\{P(C_2H_5)_2(C_6H_5)\}_2$ exhibits temperature dependent magnetic behaviour (paramagnetic /…

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12. Q39 2011 Paper 1

    Geometrical shapes of the complexes formed by the reaction of Ni$^{2+}$ with Cl$^-$, CN$^-$ and H$_2$O…

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13. Q41 2011 Paper 2

    The volume (in mL) of 0.1 M $AgNO_3$ required for complete precipitation of chloride ions present in 30 mL of…

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14. Q42 2010 Paper 1

    The correct structure of ethylenediaminetetraacetic acid (EDTA) is (with a figure)

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15. Q43 2010 Paper 1

    The ionization isomer of $[Cr(H_2O)_4Cl(NO_2)]Cl$ is

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16. Q45 2010 Paper 2

    Total number of geometrical isomers for the complex $[RhCl(CO)(PPh_3)(NH_3)]$ is

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17. Q47 2009 Paper 2

    The spin only magnetic moment value (in Bohr magneton units) of Cr(CO)$_6$ is

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18. Q48 2009 Paper 2

    The number of water molecule(s) directly bonded to the metal centre in $\mathrm{CuSO_4\cdot5H_2O}$ is

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19. Q49 2008 Paper 2

    Among the following, the coloured compound is

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20. Q50 2008 Paper 2

    Both [Ni(CO)$_4$] and [Ni(CN)$_4$]$^{2-}$ are diamagnetic. The hybridisations of nickel in these complexes…

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21. Q51 2008 Paper 2

    The IUPAC name of [Ni(NH$_3$)$_4$][NiCl$_4$] is

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22. Q53 2008 Paper 2

    STATEMENT-1: The geometrical isomers of the complex [M(NH$_3$)$_4$Cl$_2$] are optically inactive.…

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