A mixture of C_(4)H_(8) and C_(2)H_(4) was completely burnt in excess of oxygen yielding equal volumes of CO_(2) and steam. Calculate the percentage (by volume ) of the compounds in the original mixture:

A mixture of C_(4)H_(8) and C_(2)H_(4) was completely burnt in excess

1.	A mixture of C_(4)H_(8) and C_(2)H_(4) was completely burnt in excess of oxygen yielding equal volumes of CO_(2) and steam. Calculate the percentage (by volume ) of the compounds in the original mixture:
Answer» 25% `C_(4)H_(8)` and 75% `C_(2)H_(4)` 30% `C_(4)H_(8)` and 70% `C_(2)H_(4)` 75% `C_(4)H_(8)` and25% `C_(2)H_(4)` 50% `C_(4)H_(8)` and 50% `C_(2)H_(4)` Answer :A::B::C::D