# The chemicals and the reaction conditions required for the preparation of ethane are :

$\begin {array} {1 1} (a)\;C_2H_5l,Zn-Cu,C_2H_5OH & \quad (b)\;CH_3Cl,Na,H_20 \\ (c)\;KOOC-CH =CH-COOK,electrolysis & \quad (d)\;CH_3CO_2Na,NaOH,CaO, \Delta \end {array}$