Raoult's Law NCERT Intext Based MCQs Solutions Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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The vapour pressure of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. If total vapour pressure is 600 mm Hg then the composition of the vapour phase are-

1. X_A=0.30; X_B=0.70
2. X_A=0.40; X_B=0.60
3. X_A=0.20; X_B=0.90
4. X_A=0.50; X_B=0.50

Subtopic: Raoult's Law |

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Vapour pressure of pure water at 298 K is 23.8 mm Hg. 50 g of urea (NH₂CONH₂) is dissolved in 850 g of water.
The vapour pressure of water (in mm Hg) for this solution is :

1. 23. 40
2. 0.23
3. 12.87
4. 40 .14

Subtopic: Raoult's Law |

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