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Chemistry in daily life Bio molecules Polymers Environmental chemistry Nitrogenous compound Aldehyde and ketone Alcohol and phenol Halo alkane Hydrocarbon Basic concept of organic chemistry Coordination chemistry d&f block element p-block element part 3 p – block element part 2 p-block element part 1 s-block element Hydrogen Principal of extraction of metal Surface chemistry Chemical kinetics Electro chemistry Solution Chemical equilibrium Thermodynamics State of matter Chemical bonding Classification of element Atomic structure Basic concept of chemistry
  • How many unpaired electrons in [Fe(CN)6]4- is:
    0
    1
    2
    3
  • How many maximum number of co-ordinate bonds can be formed by EDTA :
    6
    4
    2
    3
  • Bonds in K4[Fe(CN)6] are:
    all covalent bonds
    all ionic bonds
    ionic and covalent bonds
    ionic, covalent and coordinate bonds
  • Which among the following is not an organometallic compound:
    RMgX
    (CH3)4SN
    C2H5ONa
    (C2H5)2Fe
  • Oxidation state of iron in K4[Fe(CN)6] is :
    +1
    +2
    +4
    +6
  • Which among the following is used as a catalyst in hydrogenation of alkenes:
    Zieglar natta catalyst
    Walker catalyst
    Ruthenium metal
    Wilkinson s catalyst
  • Which among the following is a bidentate ligand:
    SCN-
    CN-
    EDTA
    Ethylene diammine
  • The IUPAC name of K3[Ir(C2O4)3] is:
    Potassium trioxalato iridium (III)
    Potassium tris(oxalato) iridium(III)
    Potassium trioxalato iridate(III)
    Potassium tris(oxalato) iridate(III)
  • Due to the formation of which among the following is AgCl soluble in ammonia:
    [Ag(NH4)2]+
    [Ag(NH3)4]+
    [Ag(NH3)2]2+
    [Ag(NH3)2]+
  • Number of probable optical isomers in [Co(en)2Cl2] :
    2
    3
    4
    6