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Question: Answered & Verified by Expert
In a mixture of A and  B , components show negative deviation when -
ChemistrySolutionsNEET
Options:
  • A A-B interaction is stronger than A-A and B-B interaction
  • B A-B interaction is weaker than A-A and B-B interaction
  • C ΔVmix>0, ΔSmix>0
  • D ΔVmix=0, ΔSmix>0
Solution:
1405 Upvotes Verified Answer
The correct answer is: A-B interaction is stronger than A-A and B-B interaction
Negative deviation is when A-B (solute-solvent) interaction is stronger than A-A (solute-solute) and B-B (solvent-solvent) interaction. Hence ΔVmix<0,  ΔHmix<0

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