QuestionSolutions / association and freezing point
Three particles of a solute A, associate in benzene to form species A₃. The degree of association of solute A is found to be 0·75. The freezing point of benzene and its freezing point depression constant are 5·5°C and 5·0 K kg mol⁻¹ respectively. The freezing point of 0·25 molal solution of A will be :
- (a) 3·9°C
- (b) 4·9°C
- (c) 5·9°C
- (d) 6·9°C
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