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Coordination Compounds Test - 3

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Coordination Compounds Test - 3
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  • Question 1
    1 / -0

    The coordination number of Cr in [Cr(NH3)3(H2O)3]Cl3 is

    Solution

    Coordination number of the central metal atom/ion is equal to number of neutral molecules or negative ions bound to the central metal atom/ion by non-ionisable secondary linkages. These neutral molecules or negative ions are the ones which are shown inside the square bracket. Here there are 3 NH3 molecules and 3 H2O molecules associated with Cr inside the bracket. So the coordination number of Cr is 6.

     

  • Question 2
    1 / -0

    In the complex K4[Fe(CN)6], the effective atomic number (in amu) is

  • Question 3
    1 / -0

    Which of the following statements is incorrect for [Fe (H2O)5NO]+2?

  • Question 4
    1 / -0

    An example of a complex compound with a central atom having a coordination number 4 is:

  • Question 5
    1 / -0

    Which of the following complexes is an outer orbital complex?

  • Question 6
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    The following question has four choices, out of which only one is correct.

    Wilkinson's catalyst is a chemical used for the hydrogenation of alkenes. Other applications of the Wilkinson's catalyst include the catalytic hydroboration of alkenes with catecholborane and pinacolborane and the selective 1,4-reduction of αβ-unsaturated carbonyl compounds along with triethylsilane.

    The catalyst discussed here can be referred to as a

  • Question 7
    1 / -0

    The type of hybridisation possible with a coordination number of 6 can be

    Solution

    sp3d2 hybridisation means there are 6 orbitals involved in hybridisation (1 ns, 3 np and 2 nd) and 6 hybrid orbitals are formed. So with a coordination number 6, this hybridisation is possible.

     

  • Question 8
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    The number of chloride ions produced by complex tetraminedichloroplatinum(IV) chloride in an aqueous solution is

  • Question 9
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    What is the coordination number of chromium in [Cr(NH​​​​​3)2(H2O​​​​2)2]Cl​​​​​3?

    Solution

    Coordination number of the central metal atom/ion in a complex is the number of ligand donor atoms directly bonded to it. There are 4 ligands attachted to Cr so its coordination number= 4.

     

  • Question 10
    1 / -0

    Which of the following orders of ligands in spectrochemical series is correct?

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