In benzene,the $C-C-C$ and $C-C-H$ bond angles are.........

Which of the following oil is obtained from benzene after fractional distillation of coal tar?

Total number of aromatic compounds from the following is:

The condition required for an aromatic ring is that it must contain $... \pi-$ electrons.

When acetylene is passed through a red hot iron tube,compound $X$ is formed. Which one of the following reactions will yield $X$ as the major product?

Conversion of hexane into benzene involves the reaction of: