Exercise 2

Benzene on reaction with conc. ${\mathrm{HNO}}_3$ in presence of conc. ${\mathrm{H}}_2{\mathrm{SO}}_4$ followed by the treatment of ${\mathrm{Cl}}_2$ in presence of ${\mathrm{FeCl}}_3$, it gives:

When nitrobenzene is treated with ${\mathrm{Br}}_2$ in presence of ${\mathrm{FeBr}}_3$ the major product formed is $\mathrm{m}$ -bromonitrobenzene. Statement which is related to obtain the $\mathrm{m}$ -isomer is:

Which of the following organic chlorides will not give a Friedel-Craft alkylation product when heated with benzene and ${\mathrm{AlCl}}_3$?

Which of the following alkanes can be synthesized by the Wurtz reaction in good yield?

The correct statement regarding the comparison of staggered and eclipsed conformations of ethane is?

Isomerization in alkane may be brought about by using

When propyne is treated with aqueous ${\mathrm{H}}_2{\mathrm{SO}}_4$ in the presence of ${\mathrm{HgSO}}_4$, the major product is

Nitration of benzene is