JEE Advanced 2020 Full Test 1 Paper 2

Question : 21 of 54

Marks: +1, -0

20ml of a mixture of C2H2 and CO was exploded with 30ml of oxygen. The gases after the reaction had a volume of 34ml. On treatment with KOH,8ml of oxygen gas remain unreacted. Which of the following options show a correct composition of the mixture?