MCQ
On the basis of information given below mark the correct option.Information:
  1. In bromoethane and chloroethane mixture intermolecular interactions of $A–A$ and $B–B$ type are nearly same as $A–B$ type interactions.
  2. In ethanol and acetone mixture $A–A$ or $B–B$ type intermolecular interactions are stronger than $A–B$ type interactions.
  3. In chloroform and acetone mixture $A–A$ or $B–B$ type intermolecular interactions are weaker than $A–B$ type interactions.
  • A
    Solution $(B)$ and $(C)$ will follow Raoult’s law.
  • Solution $(A)$ will follow Raoult’s law.
  • C
    Solution $(B)$ will show negative deviation from Raoult’s law.
  • D
    Solution $(C)$ will show positive deviation from Raoult’s law.

Answer

Correct option: B.
Solution $(A)$ will follow Raoult’s law.
For an ideal solution $A-A$ and $B-B$ intermolecular interactions should be nearly same as $A-B$ type interactions.

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