Following which is produced after reacting $\mathrm{CH}_{3}\mathrm{I}$ with metallic sodium ?

$\mathrm{C}_{3} \mathrm{H}_{8}$

$\mathrm{C}_{2} \mathrm{HI}_{6}$

$\mathrm{C}_{2} \mathrm{H}_{4}$

$\mathrm{C}_{3} \mathrm{H}_{6}$