The number of hydrogen atoms in the given compound is:

Chlorination of $Benzene$ in the presence of sunlight gives

In pyrrole,the electron density is maximum on

Which compound amongst the following is not an aromatic compound?

The correct order of the rate of $EAS$ (electrophilic aromatic substitution) for the following compounds is:

What is the molecular formula of the product formed when benzene is reacted with ethyl chloride in the presence of anhydrous aluminium chloride?