Question

conversion of methane to ethane

Answer 1

METHANE ON CHLORINATION GIVES CHLOROMETHANE ON WURTZ SYNTHESIS GIVES ETHANE

ETHANE ON CHLORINATION GIVES CHLOROETHANE ON REACTION WITH AQ.KOH GIVES ALCOHOL ON OXIDATION FORMS ACETIC ACID ON REACTION WITH NaOH GIVES SODIUM FORMATE FINALLY THIS ON REACTION WITH SODALIME GIVES METHANE

Answer 2

CH4 + CL2 ---------->CH3-CL + HCL

2CH3-CL + 2NA ---------> C2H6 +2NACL