CBSE
Multiple Choice QuestionsWhich of the following compounds will not undergo Friedal-Craft's reaction easily?
Cumene
Xylene
Nitrobenzene
Toluene
ethylene can be separated from acetylene by passing the mixture through
fuming H2SO4
pyrogallol
ammoniacal Cu2Cl2
charcoal powder
On mixing alkane with chlorine and irradiating with ultraviolet light, it forms only one monochloroalkane. The alkane is
Propane
Pentane
Iso-pentane
Neo-pentane
Short Answer TypeHow nitrobenzene is identified using Mulliken-Barker test?
Multiple Choice QuestionsSome meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
The addition of HBr to 2-pentene gives
2-bromopentane only
3-bromopentane only
2-bromopentane and 3-bromopentane
1-bromopentane and 3-bromopentane
Which one of the following is s-butyl phenyl vinyl methane?
What is obtained when nitrobenzene is treated sequentially with (i) NH4Cl/Zn dust and (ii) H2SO4/Na2Cr2O7?
meta-chloronitrobenzene
para-chloronitrobenzene
Nitrosobenzene
Benzene
The radical 
because it has
6p-orbitals and 6 unpaired electrons
7p-orbitals and 6 unpaired electrons
7p-orbitals and 7 unpaired electrons
6p-orbitals and 7 unpaired electrons
Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80-100°C forms which one of the following products?
1, 2-dinitrobenzene
1, 3-dinitrobenzene
1, 4-dinitrobenzene
1, 2, 4-trinitrobenzene
