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Coordination Compounds Test - 6

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Coordination Compounds Test - 6
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which one of the following coordination compounds is used to inhibit the growth of tumours?
  • Question 2
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    In the formation of complex entity, the central atom/ion acts as

    Solution

    The central metal atom/ion behaves as a Lewis acid while the ligand acts as a lewis base. The ligand can be a negatively charged ion or a neutral molecule which donates its electron pair to the central metal atom/ion which acts as an electron pair acceptor (Lewis acid).

  • Question 3
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    Which of the following complexes is non-conducting?
  • Question 4
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    KCl.MgCl2.6H2O  is a


    Solution

    A double salt is a salt which crystallises as a single substance but when it is dissolved it gets ionised as two salts and loses its identity in solution.KCl.MgCl2.6H2O is double salt.

  • Question 5
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    The CFSE octahedral [CoCl6]4- is 18000 cm-1. The CFSE for tetrahedral [CoCl4]2- will be
  • Question 6
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    Which is not true about a ligand?

    Solution

    A polydentate ligand has more than one donor atoms which can bind to the central metal atom/ion. So it can act as a chelate ligand.

  • Question 7
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    Which of the following ligands has the lowest Do value?
  • Question 8
    1 / -0
    How many ions are produced from [Co(NH3)6]Cl3 in solution?
  • Question 9
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    Which among the following is a non-existent metal carbonyl?
  • Question 10
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    The d-electron configurations of Cr2+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8, respectively. Which one of the following complexes will exhibit the minimum paramagnetic behaviour?
  • Question 11
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    Which of the following complex ions is expected to absorb visible light?
    [At. No. Zn = 30, Sc = 30, Sc = 21, Ti = 22, Cr = 24]
  • Question 12
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    The correct IUPAC name of [Pt(NH3)2Cl2] is
  • Question 13
    1 / -0
    Which of the following has the highest molar conductivity?
  • Question 14
    1 / -0
    Which of the following facts about the complex [Cr(NH3)6]Cl3 is wrong?
  • Question 15
    1 / -0
    Which of the following is expected to exhibit optical isomerism?
    (en = ethylenediamine)
  • Question 16
    1 / -0
    Which among the following ions has the highest magnetic moment value?
  • Question 17
    1 / -0
    The magnitude of crystal field stabilization energy is the highest for
  • Question 18
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    Which of the following is not a double salt? 
  • Question 19
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    Which of the following ligands gives chelate complexes?

    Solution

    Oxalate is a bidentate ligand. So it is a chelate ligand and gives chelate complexes.

  • Question 20
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    Which of the following complexes will give white precipitate with barium chloride solution?
  • Question 21
    1 / -0

    Which of the following is a negatively charged ligand?

    Solution

    C5H5−  is cyclopentadienyl anion and it is a negatively charged ligand.

  • Question 22
    1 / -0
    The compound(s) that exhibit(s) geometrical isomerism is/are

    a. [Pt(en)Cl2]
    b. [Pt(en)2]Cl2
    c. [Pt(en)2Cl2]Cl2
    d. [Pt(NH3)2Cl2]
  • Question 23
    1 / -0
    What kind of isomerism exists between [Cr(H2O)6]Cl3 (violet) and [Cr(H2O)5Cl]Cl2. H2O (grayish-green)?
  • Question 24
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    Which of the following complexes are homoleptic?

    a. [Co(NH3)6]3+
    b. [Co(NH3)4Cl2]+
    c. [Ni(CN)4]2-
    d. [Ni(NH3)4Cl2]
  • Question 25
    1 / -0
    In the separation of Cu2+ and Cd2+ in the 2nd group of quantitative analysis of cations, tetraamine copper (II) sulphate and tetraamminecadmium (II) sulphate react with KCN to form the corresponding cyano complexes. Which one of the following pairs of complexes and their relative stability enables the separation of Cu2+ and Cd2+?
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