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Coordination Compounds Test - 15

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Coordination Compounds Test - 15
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Weekly Quiz Competition
  • Question 1
    1 / -0

    The correct IUPAC name of the complex ion [Fe(O2)(CN)4Cl]4- is

    Solution

    The correct IUPAC name of the complex ion [Fe(O2)(CN)4Cl]4- is chlorotetracyano superoxoferrate (II) ion.

     

  • Question 2
    1 / -0

    The following question has four choices, out of which ONLY ONE is correct.

    How many geometrical isomers are possible for [Pt(NH3) (Py) (NH2OH) (NO2)]+?

    Solution

    Complexes of the type MABXY can have three geometrical isomers: MABXY, MAYBX, MAXYB ≅ MABYX.

     

  • Question 3
    1 / -0

    Directions For Questions

    The following question has four choices, out of which ONLY ONE is correct.

    ...view full instructions

    The number of geometrical isomers for octahedral [CoCl4(NH3)2]-, square planar [AuBr2Cl2]- and [PtCl2(en)] are respectively

    Solution

    The number of isomers possible for the given compounds are: [Co(NH3)2Cl4]- → cis and trans, [AuBr2Cl2]- → cis and trans, [PtCl2(en)] → no geometrical isomer.

     

  • Question 4
    1 / -0

    Which of the following co-ordination isomers is not viable for the complex [Pt(NH3)4][CuCl4]?

    Solution

    [Pt(NH3)3Cl]+1[Cu(NH3)Cl3]-1, [Cu(NH3)3Cl]+1[Pt(NH3)Cl3]-1 and [Cu(NH3)4]2+[PtCl4]2- are the three viable co-ordination isomers. [Pt(NH3)2Cl2][Cu(NH3)2Cl2] is not a valid co-ordination isomer due to lack of possible charges on the complex.

     

  • Question 5
    1 / -0

    Which of the following statements is correct?

    Solution

    A hydrate of chromium Cr(H2O)6Cl3 thatgives three moles of AgCl when treated with excess solution of AgNO3 is [Cr(H2O)6]Cl3.
    In [CrCl3(H2O)3].3H2O half the water molecules are present as ligands and half are present as the water of hydration.

    The complex [Cr(H2O)2Cl2]Cl2.2H2O exhibits only hydrate isomerism, not ionisation isomerism because such isomerism occurs as a result of exchange of ions between co-ordination and ionisation spheres.

    The pair of compounds [Cr(H2O)6]Cl3 and [CrCl3(H2O)3].3H2O are hydration isomers.

     

  • Question 6
    1 / -0

    The following question has four choices, out of which ONLY ONE is correct.

    Which of the following complexes can exist as facial (fac) and meridional (mer) isomers.

    Solution

    Co-ordination compounds with the general formula [MA3B3] will exist as fac or mer isomers.

     

  • Question 7
    1 / -0

    Which among the following compounds/ions has the highest magnetic moment?

    Solution

    [Fe(H2O)6]2+ ion has the highest magnetic moment due to the presence of 4 unpaired electrons.
    [Ag(NH3)2]Cl and [Zn(H2O)6]2+ are diamagnetic due to the absence of unpaired electrons.
    The number of unpaired electrons in [Cr(H2O)6]3+ is 3.

     

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