35. an ideal gaseous mixture of ethane (c2h) and ethene (ch,) occupies 28 litre at at 1 atm and 273 k. the mixrure reacts completely with 128 gm o2 to produce c

35. An ideal gaseous mixture of ethane (C2H) and ethene (CH,) occupies 28 litre at at 1 atm and 273 K. The mixrure reacts completely with 128 gm O2 to produce CO and H,0. Mole fraction at C2H4 in the mixture is: (a) 0.6 (b) 0.4 (c) 0.5 (d) 0.8