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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
  • Molucular orbital theory was given by :
    Warner
    Molliken
    Kossel
    Moseley
  • Which among the following has dsp2 hybridisation :
    NH4+
    SCl4
    PtCl42-
    C2H2
  • Valency of an element having nine protons is :
    1
    2
    3
    4
  • According to VSPER theory, the most probable shape of the molecule having 4 electron pairs around th
    Linear
    Tetrahedral
    Hexahedral
    Octahedral
  • Bond order of nitrogen molecule is:
    3
    2
    4
    1
  • which contains Hydrogen Bond?
    CH4
    O2
    H2O
    HBr
  • which molecule is linear?
    BeCl2
    BCl3
    CH4
    PCl5
  • Central atom of which molecule is sp2 hybrid?
    BeCl2
    BF3
    CH4
    PCl5
  • Which compound is electrovalent?
    NaCl
    H2O
    c6H6
    Cl2
  • Which compound is covalent?
    NaCl
    H2O
    c6H6
    Cl2