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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
  • Alkali metals due to their low ionisation energies are :
    Strong oxidising  agent
    Weak oxidising agent
    Strong reducing agent
    Weak reducing agent
  • the last  member  of inert gases is :
    Helium
    Neon
    Kripton
    Radon
  • The order of first ionisation potentials of Na, Mg,Al and Si are :
    Na> Mg  > Al > Si
    Na< Mg  > Al < Si
    Na> Mg  > Al < Si
    Na< Mg  < Al < Si
  • Which among the following is a non metal:
    Thallium
    Boron
    Indium
    Gallium
  • An element whose valency is 7 is :
    C
    Cr
    Mn
    Mg
  • Which among the following is the strongest reducing agent:
    F-
    Cl-
    Br-
    I-
  • transition elements are elements of :
    s-block
    p-block
    d-block
    f-block
  • Which among the following does not exhibit the periodicity in properties of the element:
    n/p ratio
    Electronegativity
    Atomic radius
    Ionisation energy
  • Most electronegative element is :
    Hydrogen
    Oxygen
    Fluorine
    Lithium
  • Among alkali metals which element is most electropositive:
    Na
    K
    Rb
    Cs