A mixture of C3Hg (g) & O having total volume 100 ml in an Eudiometry tube is sparked & it is observed that a contraction of 45 ml is observed what can be the composition of reacting mixture. (a) 15 ml CH & 85 ml O (c) 45 ml C3Hg & 55 ml O (b) 25 ml CH & 75 ml O (d) 55 ml C3Hg & 45 ml O