Question

What happens when methane and chlorine are exposed to direct sunlight.

Answer 1

Methane reacts violently with chlorine when exposed to direct sunlight to form hydrogen chloride and carbon.

${\mathrm{CH}}_4+2{\mathrm{Cl}}_2\stackrel{\mathrm{direct}\mathrm{sunlight}}{\to }\mathrm{C}+4\mathrm{HCl}$