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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
  • Compound that has both Ionic and covalent bond is :
    CO
    H2O
    NaOH
    N2O
  • Among the following compounds which one is plannar in shape
    Benzene
    Isobutane
    Methane
    Acetylene
  • In which of the following molecules, is the covalent bond most polar :
    H2
    HCl
    HBr
    HI
  • BF3 and NF3 are covalent compounds yet BF3 is non polar and NF
    no dipole moment in BF3 but NF3 bond possesses dipole moment.
    BF3 is coplanar but NF3 is pyramidal
    Atomic size of boron is smallar than nirtogen
    in non combined state boron is metal and nitrogen is gas
  • Which among the following has highest boiling point :
    Methenol
    Acetone
    Diethyl ether
    Ethanol
  • The electronegativities of two elements are 1.2 and 3.0, which among the follwoing bond is possible
    Covalent bond
    Coodinate bond
    Ionic bond
    Metallic bond
  • Which among the following exhibits the properties of Lewis acid:
    ClF3
    NCl3
    BrF3
    BF3
  • The metallic bond in which among the following is strongest:
    Se
    Cr
    Fe
    Mn
  • Which among the following has zero dipole moment:
    CFCl3
    PCl3
    ClF
    SiF4
  • BCl3 molecule is planar due to which type of hybridization of boron :
    sp hybridization
    sp2 hybridization
    sp3 hybridization
    dsp2 hybridization