The compound ``\ce C7H8 ``undergoes the following
reactions :
``\ce{$C7H8$ ->[\ce{ \frac {3Cl_2}{\lambda}}] $A$} ``
``\ce{$$ ->[\ce{\frac {Br_2}{Fe}}] $B$} \\``
``\ce{$$ ->[\ce{\frac {Zn}{HCl}}] $C$} \\``
The product 'C' is
(1) m-bromotoluene
(2) o-bromotoluene
(3) 3-bromo-2,4,6-trichlorotoluene
(4) p-bromotoluene