A mixture of acetone and toluene was distilled in a distillation flask. On slow heating it was found that temperature became constant at 56°C for some time and the residual liquid left was toluene. When the heating was continued, again the temperate became constant at 80°C.

Answer the following questions.

(a) What is the boiling point of acetone and toluene ?

(b) Why was it possible to separate acetone from toluene ?

(c) Why does temperature remain constant for some time at 56°C even though heating was continued.

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