Reaction of ethyl chloride with sodium leads to

What is the number of moles of nascent hydrogen required to prepare $1$ mole of methane from iodomethane?

How many monobrominated product$(s)$ (including stereoisomers) would form in the free radical bromination of $n$-butane?

What is the product $CH_3-CH_2-CHCl-CH_3$ obtained by the chlorination of $n$-butane?

Hexane yields different products under different conditions. Provide three such reactions.

$A$ mixture of all isomers possible from the mono-chlorination of the structure $n$-pentane $(CH_3-CH_2-CH_2-CH_2-CH_3)$ is subjected to fractional distillation. How many fractions will be obtained?