Benzene on ozonolysis followed by reaction with $\mathrm{Zn}+{\mathrm{H}}_2\mathrm{O}$ gives

The major product of the following reaction is:

The major product obtained in the given reaction is:

The compounds $\mathrm{A}$ and $\mathrm{B}$ in the following reaction are, respectively:

Among the following, the reaction that proceeds through an electrophilic substitution, is:

 The major product of the following reaction is: