Which of the following is used as a catalyst in the manufacture of toluene from benzene with $CH_3Cl$?

Given below are two statements:
Statement $I$: Tropolone is an aromatic compound and has $8 \pi$ electrons.
Statement $II$: $\pi$ electrons of $ > C = O $ group in tropolone is involved in aromaticity.
In the light of the above statements,choose the correct answer from the options given below:

The reaction of benzene with $CH_3COCl$ in the presence of $AlCl_3$ yields ...........

The product formed when benzene is nitrated by fuming nitric acid is

For the given compounds,what is the decreasing order of the rate of electrophilic aromatic substitution?

The major product formed in the reaction is:
$Isopropylbenzene + HNO_3 \xrightarrow{conc. H_2SO_4} ?$