Back to subject

Topic

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
  • Which among the following compounds is more sensitive towards nitration :
    Nitro benzene
    Chloro Benzene
    Toluene
    Benzene
  • Which among the following will give RNC on reaction with CHCl3and KOH :
    R3N
    R2NH
    RNH2
    R4N+Cl-
  • Ethyl amine on reaction with HNO2 gives:
    C2H5OH
    NH3
    C2H5NO2
    C2H4
  • Reduction of methyl isocyanide gives:
    Ethyl amine
    Methyl amine
    Dimethyl amine
    Trimethyl amine
  • Nitration of benzene is :
    Nucleophilic addition
    Nucleophilic substitution
    Electrophilic addition
    Electrophilic substitution
  • In Nitro benzene nitro group is :
    o- directing
    m-directing
    p-directing
    o & p-directing
  • Primary aliphatic amies can be distinguished from secondary and tertiary by the reaction of :
    Zn- powder
    Methyl iodide
    Chloroform
    Chloroform and alc. KOH
  • Which of the following is the most basic :
    CH3NH2
    (CH3)3N
    (CH3)2NH
    (C2H5)3N
  • Benzene diazonium salt is represented by :
    C6H5CONH2
    C6H5N2X
    C6H5-N=N-C6H5
    CH3NH2
  • By which of the following compounds given, acetamide on reaction gives methyl amine :
    PCl5
    Sodalime
    NaOH + Br2
    C2H5OH