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JEE Main Coordination Compounds questions

13 Chemistry questions on Coordination Compounds as asked in JEE Main, newest first. 9 come with a worked solution.

  1. Which of the following cannot be explained by crystal field theory?

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  2. Match List I with List II | LIST I | LIST II | |---|---| | Coordination entity | Wavelength of light absorbed in nm | | A. [CoCl(NH_3)_5]^2+ | I. 310 | | B. [Co(NH_3)_6]^3+ | II. 475 | | C. [Co(CN)_6]^3- | III. 535 | |…

    2023 · with solution

  3. Match List I with List II | LIST I (Name of polymer) | LIST II (Uses) | |---|---| | A. Glyptal | I. Flexible pipes | | B. Neoprene | II. Synthetic wool | | C. Acrilan | III. Paints and Lacquers | | D. LDP | IV. Gaskets…

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  4. Correct statement is:

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  5. Chiral complex from the following is: Here en = ethylene diamine

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  6. The primary and secondary valencies of cobalt respectively in [Co(NH_3)_5Cl]Cl_2 are:

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  7. The hybridization and magnetic behaviour of cobalt ion in [Co(NH_3)_6]^3+ complex, respectively is

    2023 · with solution

  8. Number of moles of AgCl formed in the following reaction is __________ [figure]

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  9. Total number of moles of AgCl precipitated on addition of excess of AgNO_3 to one mole each of the following complexes [Co(NH_3)_4Cl_2]Cl, [Ni(H_2O)_6]Cl_2, [Pt(NH_3)_3Cl_2]Cl, and [Pd(NH_3)_4]Cl_2 is

    2023 · with solution

  10. The sum of bridging carbonyls in W(CO)_6 and Mn_2(CO)_10 is ________

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  11. The d-electronic configuration of [CoCl_4]^2- in tetrahedral crystal field is e^m t_2^n. Sum of "m" and "number of unpaired electrons" is _________

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  12. The number of paramagnetic species from the following is ___________. [Ni(CN)_4]^2-, [Ni(CO)_4], [NiCl_4]^2-, [Fe(CN)_6]^4-, [Cu(NH_3)_4]^2+ [Fe(CN)_6]^3- and [Fe(H_2O)_6]^2+

    2023 · with solution

  13. Mixture X = 0.02 mole of [Co(NH_3)_5SO_4]Br and 0.02 mole of [Co(NH_3)_5Br]SO_4 1 L of mixture X + excess of AgNO_3 solution → Y 1 L of mixture X + excess of BaCl_2 solution → Z Number of moles of Y and Z are

    2003

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