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NEET · Chemistry · Solutions
What is the cause of positive deviation from Raoult's law in...
What is the cause of positive deviation from Raoult's law in solutions, and can you provide an example of a solution that exhibits positive deviation?
Options
- APositive deviation occurs when A-B interactions are stronger than A-A or B-B interactions. An example is the solution of ethanol and water.
- BPositive deviation occurs when A-B interactions are weaker than A-A or B-B interactions. An example is the solution of chloroform and acetone.
- CPositive deviation occurs when A-B interactions are equal to A-A or B-B interactions. An example is the solution of n-hexane and n-heptane.
- DPositive deviation occurs when there is no intermolecular interaction between the solute and solvent.
Correct answer
A. Positive deviation occurs when A-B interactions are stronger than A-A or B-B interactions. An example is the solution of ethanol and water.
Step-by-step solution
Positive deviation from Raoult's law occurs when the interactions between different components (A-