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Question: Answered & Verified by Expert
Organic liquid vaporizes at a temperature below its boiling point in steam distillation because
ChemistryGeneral Organic ChemistryNEET
Options:
  • A Mixture boils when sum of vapour pressure of water and organic liquid becomes equal to atmospheric pressure.
  • B Steam distillation is actually distillation under increased pressure.
  • C Water vapour does not contribute to its boiling point.
  • D Atmospheric pressure is reduced.
Solution:
2769 Upvotes Verified Answer
The correct answer is: Mixture boils when sum of vapour pressure of water and organic liquid becomes equal to atmospheric pressure.
P=P1+P2

P=atmospheric pressure

P1= Vapour pressure of organic liquid

P2= Vapour pressure of water

∴P1=P-P2

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