IDENTIFICATION OF UNKNOWN ORGANIC COMPOUNDS/REAGENTS

Complete the following by supplying intermediates

Supply the reagents in the following sequence of reactions:

Supply the reagents in the following sequence of reactions:

Supply the reagents in the following sequence of reactions:

Supply the reagents in the following sequence of reactions:

Complete the following reaction by supplying the products and the reagents.
$\mathrm{CH}\equiv \mathrm{CH}\stackrel{\left[\mathrm{A}\right]}{\to }{\mathrm{C}}_6{\mathrm{H}}_6\stackrel{{\mathrm{CH}}_3\mathrm{Cl}, \mathrm{anhyd}. {\mathrm{AlCl}}_3}{\to } \left[\mathrm{B}\right] \stackrel{\left[\mathrm{C}\right]}{\to } {\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CHO}$

Complete the following reactions by supplying the products and the reagents.

Complete the following reactions by supplying the products and the reagents.