Which of the following is a vinylic halide?

Identify the tertiary alkyl halide from the following.

Which of the following is not a mono-haloalkane compound?

Write the structures of the following organic halogen compounds:
$(i)$ $2-$Chloro$-3-$methylpentane
$(ii)$ $p-$Bromochlorobenzene
$(iii)$ $1-$Chloro$-4-$ethylcyclohexane
$(iv)$ $2-(2-$Chlorophenyl$)-1-$iodooctane
$(v)$ $2-$Bromobutane
$(vi)$ $4-$tert-Butyl$-3-$iodoheptane
$(vii)$ $1-$Bromo$-4-$sec-butyl$-2-$methylbenzene
$(viii)$ $1,4-$Dibromobut$-2-$ene

The common name for phosgene is .....

The number of possible monohalogen derivatives for the alkyl halide having molecular formula $C_4H_9X$ is