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Coordination Co...

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  • Question 1
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    Directions For Questions

    When hybridisation involving $$d$$-orbitals is considered all the five $$d$$-orbitals are not degenerate, rather $$d_{x^2-y^2}, d_z^{2}$$ and $$d_{xy}$$, $$d_{yz}$$, $$d_{zx}$$ form two different sets of orbitals and orbitals of appropriate set are involved in the hybridisation.

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    Which of the following orbitals can not undergo hybridisation amongst themselves?
    (I) $$3d$$, $$4s$$
    (II) $$3d$$, $$4d$$
    (III) $$3d$$, $$4s$$ and $$4p$$
    (IV) $$3s$$, $$3p$$ and $$4s$$

  • Question 2
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    Which of the following will have two stereoisomeric forms?
    (I) $$[Cr(NO_{3})_{3}(NH_{3})_{3}]$$ (II) $$K_{3}[Fe(C_{2}O_{4})_{3}]$$ (III) $$[CoCl_{2}(en)_{2}]^{+}$$ (IV) $$[CoBrCl(ox)_{2}]^{3-}$$.

  • Question 3
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    Complex compound $$[Cr(NCS)(NH_3)_5][ZnCl_4]$$ will be :

  • Question 4
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    The most stable complex species is:

  • Question 5
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    Select the correct code about complex $$[Cr(NO_{2})(NH_{3})_{5}][ZnCl_{4}]$$:
    (I) IUPAC name of compound is pentaamminenitrito-N-chromium (III) tetrachlorozincate(II)
    (II) It shows geometrical isomerism
    (III) It shows linkage isomerism
    (IV) It shows coordination isomerism.

  • Question 6
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    What is electronic arrangement of metal atom/ ion in octahedral complex with $$d^{4}$$ configuration, if $$\triangle_{0} <$$ pairing energy?

  • Question 7
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    Consider the following isomerism:
    (i) Ionization (ii) Hydrate (iii) Coordination (iv) Geometrical (v) Optical
    Which of the above isomerisms are exhibited by $$[Cr(NH_{3})_{2}(OH)_{2}Cl_{2}]^{-}$$?

  • Question 8
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    Which of the following statement is true?

  • Question 9
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    At S.T.P. the density of $$CCl_4$$ vapours in g/L will be nearest to :

  • Question 10
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    The number of complexes that can be can be made with varying $$NH_3$$ ligands to satisfy primary and secondary valencies of platinum are:

    Complex; [$$PtCl_4\cdot xNH_3$$]   

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