Which among the following sources contains caryophyllene?

Why is benzene extraordinarily stable even though it contains three double bonds?

The reaction of benzene with a mixture of concentrated $HNO_3$ and concentrated $H_2SO_4$,followed by treatment with $Cl_2 / FeCl_3$,gives:

Which of the following will not produce an aromatic major product?

How will you convert ethanoic acid into benzene?

The order of decreasing reactivity towards an electrophilic reagent,for the following would be:
$a$. Benzene
$b$. Toluene
$c$. Chlorobenzene
$d$. Phenol