Benzene can be obtained in the reaction:

At room temperature,styrene is in the ....... state.

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:

At what angle are the carbon atoms arranged in a benzene molecule?

The reaction of benzene with isobutylene in the presence of $H_2SO_4$ gives:

The number of hydrogen atoms in the given compound is: