What will be the product of the following reaction?
$1$-chloro-$2,4$-dinitrobenzene + $CH_3ONa \xrightarrow{\Delta} \text{Product}$

Which of the following compounds undergoes nucleophilic substitution reaction most easily?

The decreasing order of reactivity of the given compounds towards nucleophilic substitution with aqueous $NaOH$ is:
$(I)$ $1$-bromo-$3$-nitrobenzene
$(II)$ $1$-bromo-$2,4,6$-trinitrobenzene
$(III)$ $1$-bromo-$4$-nitrobenzene
$(IV)$ $1$-bromo-$2,4$-dinitrobenzene

Identify the name of the reaction in which an aryl halide reacts with an alkyl halide and sodium metal in the presence of dry ether to yield substituted aromatic compounds.

Write the nucleophilic substitution reactions of $Cl^-$ in $C-Cl$ bond of haloarenes with $OH^-$.

What is the product $Z$ in the following reaction sequence?
$C_6H_5N_2Cl$ $\xrightarrow{Cu_2Cl_2/HCl} X$ $\xrightarrow{CH_3Cl/Na, \text{dry ether}} Y$ $\xrightarrow{Cl_2/Fe, \text{dark}} Z$