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Coordination Co...

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  • Question 1
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    In which of the following combination hybridisation of central atom (*) does not change ?

  • Question 2
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    Least stable hybride is :

  • Question 3
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    Which of the following isomerism is not possible for complexes having molecular formulae?
    (I) $$Pt(SCN)_{2}.3PEt_{3}$$, (II) $$CoBr . SO_{4} . 5NH_{3}$$ (III) $$FeCl_{2} . 6H_{2}O$$.

  • Question 4
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    Directions For Questions

    When hybridisation involving d-orbitals are considered then all the five d-orbitals are not degenerate, rather $$d_{x^{2} - y^{2}}, d_{x^{2}}$$ and $$d_{xy}, d_{yx}, d_{zx}$$form two different sets of orbitals and orbitals of appropriate set is 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 5
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    Directions For Questions

    Complex compounds that have the same molecular formula but have different structural/ space arrangements of ligands around central metal atom/ ion are called isomers, these are of two types namely structural and stereoisomers.

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    Which of the following is different among structural isomers?

  • Question 6
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    Directions For Questions

    The magnetic property, dipole moment, plane of symmetry, colour and absorption band can be helpful in structure elucidation of complex compounds.

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    Which of the following complex ion is expected to absorb light in $$4000\overset {\circ}{A}$$ to $$7800\overset {\circ}{A}$$ region>

  • Question 7
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    Directions For Questions

    Magnetic moment, ionic conductance and colligative properties are useful in deciding structure. constitution of a given unknown complex compound.

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    A metal $$M$$ having electronic configuration $$(n - 1)d^{8}ns^{2}$$ forms complexes with co-ordination No. $$= 4$$ and $$6$$, if it forms diamagnetic complexes then permissible oxidation states of metal cation and geometry is

  • Question 8
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    Directions For Questions

    Magnetic moment, ionic conductance and colligative properties are useful in deciding structure. constitution of a given unknown complex compound.

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    If molar conductivity of complex is almost equal to that of $$NaCl$$ and it does not exhibits stereoisomerism then the complex will be

  • Question 9
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    Directions For Questions

    Complex compounds that have the same molecular formula but have different structural/ space arrangements of ligands around central metal atom/ ion are called isomers, these are of two types namely structural and stereoisomers.

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    Types of isomerism exhibited by $$[CrCl_{2}(NO_{2})_{2}(NH_{3})_{2}]^{-}$$ complex ion are

  • Question 10
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    Which of the following will not show geometrical isomerism?

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