Aromatic hydrocarbons mostly exhibit .......

In the presence of $AlCl_3$,benzene and $n$-propyl bromide react in a Friedel-Crafts alkylation reaction to form:

Predict the major product of the following reaction:
Benzene + Acetic anhydride $\xrightarrow{AlCl_3}$ ?

Three fused benzene rings are found in

Identify the end product $(Z)$ in the sequence of the following reactions:
$C_2H_4Br_2$ $\xrightarrow[(ii) NaNH_2]{(i) Alc. KOH} X$ $\xrightarrow[873 \ K]{\text{Red hot Fe tube}} Y$ $\xrightarrow[\text{Anhy } AlCl_3, \Delta]{CH_3COCl} Z$

Rank the following compounds in order of increasing rate of reaction towards Electrophilic Aromatic Substitution $(EAS)$ with bromine in the presence of $FeBr_3$.