When 2-pentyn is treated with dilute `H_(2)SO_(4)` and `HgSO_(4)` the product formed is

When pent-2-yne is treated with dilute H_2SO_4 and HgSO_4 the product formed is

Which 2-butyne is treated with dil . H_(2) SO_(4) /HgSO _ (4) , the product formed is

Acetylene when treated with dil. H_(2)SO_(4) and HgSO_(4) given

When 2-butyne is treated with dil H_2 SO_4 HgSO_4 the product formed is

When 2-heptyne was treated with aq. H_(2)SO_(4) containing some HgSO_(4) , two products, each having the moleuclar formual C_(7)H_(14)O , were obtained approximately in equal amounts. What are these two compounds?

Propyne is treated with aquesous H_(2)SO_(4) in the presence of HgSO_(4) . The product formed is