Wurtz reaction for the preparation of ethane is ‌
CH3I
1‌mole
+2‌Na+
ICH3
1‌mole
‌ dry ether ‌
───────▶
C2H6
1‌mole
+2‌NaI ‌‌ Number of moles of ‌CH3I‌ required for the ‌ ‌‌ manufacture of ‌1‌ mole ‌C2H6=2‌ moles ‌ ‌‌ Weight of ‌2‌ moles of ‌CH3I ‌=2×(12+3+127) ‌=2×(142) ‌=284g ‌