Which among the following is a benzylic halide?

Write a note on the halogen compounds containing $sp^{3} C - X$ bonds with examples.

Which of the following compounds is soluble in benzene but almost insoluble in water?

Chlorocyclohexane is:

Write structures of the following compounds:
$(i)$ $2-$Chloro$-3-$methylpentane
$(ii)$ $1-$Chloro$-4-$ethylcyclohexane
$(iii)$ $4-$tert-Butyl$-3-$iodoheptane
$(iv)$ $1,4-$Dibromobut$-2-$ene
$(v)$ $1-$Bromo$-4-$sec-butyl$-2-$methylbenzene.

Which of the following is the general representation of a Grignard reagent?