The increasing order of reduction of alkyl halides with zinc and dil. $HCl$ is:

$1-$chloro$-3-$methylbutane on reaction with zinc and dilute hydrochloric acid gives . . . . . . as the major product.

The order of reactivity of the following compounds towards the $S_{N}1$ reaction will be:
$(I)$ Benzyl chloride
$(II)$ $p$-Methoxybenzyl chloride
$(III)$ $p$-Nitrobenzyl chloride

Give the chemical reactions for the following conversions:
$(1)$ Tertiary butyl alcohol from $1-$bromo$-2-$methylpropane
$(2)$ Ethanol from $1,2-$dibromoethane

$A$ mixture of an alkyl halide and an aryl halide is treated with sodium in dry ether. What is the name of this reaction?

The reaction of $n$-propyl bromide with ethanolic potassium hydroxide $(KOH)$ produces ...... .