Question

how would you convert Ethane into Benzene

Answer 1

put it into hot .. red .. cu pipe .. in access .. u will get the benzene. but in least .. quntity

Answer 2

Step 1 -->
 Convert ethane to ethyne

ETHANE --- cl2 sunlight --> CH3CH2CL
Ethyl Chroride --- KOH(alc.) Heat -----> Ethene
Ethene -------- Br2 + CCL4 ---> BrCH2CH2BR
Ethylene Dibromide ------ 2KOH(Alc.) + Heat ----> Ethyne




Step 2-->
Pass 3 moles of ethyne from red hot iron/copper tube at 778K to get 1 mole of benzene.
  3 C2H2 --------->>>> C6H6

Hope it helps