Only one pair of the liquid in the following set of solutions does not obey the Raoul’s Law. Identify it?

Only one pair of the liquid in the following set of solutions does not obey the Raoul’s Law. Identify it?

حل کے درج ذیل سیٹ میں مائع کا صرف ایک جوڑا راؤل کے قانون کی پابندی نہیں کرتا ہے۔ اس کی شناخت کریں؟
Explanation

The pair of liquids that does not obey Raoult's Law is propanol and propanone.