Three fused benzene rings are found in

How will you convert ethanoic acid into benzene?

In the following reaction,
$CH_3-C \equiv CH \xrightarrow[873 \ K]{\text{red hot iron tube}} A$
the number of sigma$(\sigma)$ bonds present in the product $A$ is

Which of the following has the most stable enol form?

$C_6H_6$ $\xrightarrow{HNO_3, H_2SO_4} X$ $\xrightarrow{Cl_2, FeCl_3} Y$. In the above sequence,$Y$ is:

What is the correct order of the rate of nitration for the following compounds?
$A. C_6H_5CH_3, B. C_6H_6, C. C_6D_6, D. C_6T_6, E. C_6H_5Br, F. C_6H_5N^+R_3, G. C_6H_5NMe_2$