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Coordination compounds

Quiz by MONICA CHELANI

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6 questions
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  • Q1

    The oxidation state of cobalt in the following complex is [Co(NH3)4Cl2]Cl

    +1

    +2

    +3

    0

    30s
  • Q2

    A compound has an empirical formula CoCl3.5NH3. When an aqueous solution of this compound is mixed with excess of silver nitrate, 2 moles of AgCl precipitates per mole of the compound. Hence the compound is

     [Co(NH3)5Cl2]Cl

    [Co(NH3)5Cl3]

    [Co(NH3)4Cl2]Cl.NH3

     [Co(NH3)5Cl]Cl2

    30s
  • Q3

    The IUPAC name for [Pt(NH3)3(Br)(NO2)(Cl)]Cl is

    triamminechlorobromonitrito-O-platinum(IV) chloride

    triamminebromochloronitrito-N-platinum(IV) chloride 

    triaminenitrochlorobromoplatinum(IV) chloride

    triamminechloronitrobromoplatinum(IV) chloride

    30s
  • Q4

    Ethylene diamine is an example of a .......... ligand:

     bidentate

    hexadentate

    monodentate 

     tridentate

    30s
  • Q5

    The complex [Pt(NH3)4]2+ has ..... structure

    square planar

    pentagonal

    pyramidal

    tetrahedral

    30s
  • Q6

    1. What is the coordination number and the oxidation state of the metal in each of the following complexes?

    (a) [AgCl2]-

    (b) [Cr(H2O) 5Cl]2+

    (c) [Co(NCS)4]2–

    (d) [Co(NH3)3(NO2)3]

    (e)[Fe(EDTA)]

    (f) [Cu(en)2]SO4

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    300s

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