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Coordination Co...

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  • Question 1
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    Wilkinson's catalyst used as a homogeneous catalyst in the hydrogenation of alkenes contains 

  • Question 2
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    The compounds [Cr(H2O)6]Cl3 and [Cr(H2O)4Cl2]Cl.2H2O exhibit

  • Question 3
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    In the equation 4M + 8CN- + 2H2O + O2 → 4[M(CN)2]- + 4OH-, the metal ion is

  • Question 4
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    The correct IUPAC name of [Fe(C5H​​​​5)2] is

  • Question 5
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    The "spin only" magnetic moment (in B) of Ni2+ in aqueous solution would be (atomic number of Ni = 28)

  • Question 6
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    Which is used in cancer therapy?

  • Question 7
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    How many EDTA molecules are required to make an octahedral complex with a Ca2+ ion?

  • Question 8
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    When 0.1 mol of CoCl3(NH3)5 is treated with excess of AgNO3, 0.2 mol of AgCl is obtained. The conductivity of the solution will correspond to

  • Question 9
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    Out of TiF62-, CoF63-, Cu2Cl2 and NiCl42-, the colourless species are

  • Question 10
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    Among the following complexes (K-P),

    K - K3[Fe(CN)6]
    L - [Co(NH3)6]Cl3
    M - Na3[Co(oxalate)3]
    N - [Ni(H2O)6]Cl2 
    O - K2[Pt(CN)4]
    P - [Zn(H2O)6](NO3)2

    the diamagnetic complexes are

  • Question 11
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    Crystal field stabilization energy for high spin d4 octahedral complex is

  • Question 12
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    Which of the following pairs of 'coordination compound - IUPAC name' are correct?

    a. [CoCl(NH3)5]CO3 - chloropentaammine cobalt (III) carbonate
    b. K2[Zn(OH)4] - potassium tetrahydroxozincate (II)
    c. [Pt(py)4][PtCl4] - tetrapyridineplatinum (II) tetrachloroplatinate (II)
    d. K4[Ni(CN)4] - potassium tetracyanonickel (0)

  • Question 13
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    Both Co3+ and Pt4+ have coordination number as six. Which of the following pairs of complexes will show approximately the same electrical conductance for their 0.001 M aqueous solutions?

  • Question 14
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    Which of the following statements is not correct?

  • Question 15
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    [Co(NH3)4(NO2)2]Cl exhibits

  • Question 16
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    Which of the following pairs is incorrectly matched?

  • Question 17
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    In which of the following octahedral complexes of Co (At. No. 27) will the magnitude of 0 be the highest?

  • Question 18
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    Which of the following complexes shows maximum stability?

  • Question 19
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    The metal-carbon bond in metal carbonyls possess

  • Question 20
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    Which of the following has square planar structure?

  • Question 21
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    What is used as the complexing agent in volumetric analysis of ions like Mg2+and Ca2+?

  • Question 22
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    Facial and meridional isomerism will be exhibited by

  • Question 23
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    [CoBr(NH3)5]SO4 and [CoSO4(NH3)5]Br are

  • Question 24
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    Match the compounds given in Column I with the oxidation state of cobalt present in them (given in Column II) and choose the correct answer.

    Column I (Compound) Column II (Oxidation state of Co)
    A. [Co(NCS)(NH3)5](SO3) 1. +4
    B. [Co(NH3)4Cl2]SO4 2. 0
    C. Na4[Co(S2O3)3] 3. +1
    D. [Co2(CO)8] 4. +2
      5. +3

  • Question 25
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    Which of the following metal carbonyls has the lowest C-O bond order?

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