See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

From given data A B 1 2 X X 3 3   Where, A B X and X are mole fraction of A and B in liquid phase. If the A B Y and Y are mole fraction of And B in vapour phase. o o A A total A A A o o B B B total B B 1 100 P X / P Y P X 5 3 2 Y 8 P X / P P X 80 3         A A A A A B B B B B Y n W / M W A and B are isomer Y n W / M W     5 Mass ratio of A and B . 8   o o Total A A B B 1 2 P P X P X 100 80 3 3       260 torr 3 