Level 3

Cyclohexene is reacted with bromine in ${\mathrm{CCl}}_4$ in the dark. The product of the reaction is:

In the following reaction sequence, $\mathrm{X}$ and $\mathrm{Y}$, respectively, are:

$2, 3$-Dimethylbut-$2$-ene when reacted with bromine forms a compound which upon heating with alcoholic $\mathrm{KOH}$ produces the following major product:

In the nitration of benzene with a mixture of concentrated ${\mathrm{HNO}}_3$ and concentrated ${\mathrm{H}}_2{\mathrm{SO}}_4$, the electrophile involved is:

The reaction,

${\text{C}}_{\text{n}}{\text{H}}_{\text{2n-2}}{\text{+2H}}_{\text{2}}\underset{∆}{\overset{\text{Raney Ni}}{\to }}{\text{C}}_{\text{n}}{\text{H}}_{\text{2n+2}}$ is called ________ reaction.

An organic compound with molecular formula ${\mathrm{C}}_6{\mathrm{H}}_8$, on reductive ozonolysis gives $2$moles of $2$-oxopropanal. The structure of the compound will be

Halogenation of alkanes is:

Which of the following alkenes after hydrogenation gives alkane, which can give four monochloro (structural isomer) product.