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Answer» In bromoethane and chloroethane mixture intermolecular interactions of A-A and C-C type are nearly same as A-B type ineracitons. In ethanol and acetone mixture A-A of B-B type intermolecular interactions are stronger than A-B type interinteractions. In chloroform and acetone mixtue A-A or B-B type intermolecular interactions are WEAKER than A-B type interactions. Solution (B) and © will follow RAOULT's law. Solution (A) will follow Raoult's law. Solution (B) will show NAGATIVE deviation from Raoult's law. Solution © will show will show positive deviation form Raoult's law. Solution :is the correct answer. Both bromoethane (A)and chloroethane (B) form nearly an ideal solution : A-A and B-B interactions are nearly the same as A-B interaactions
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