CampusFin

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

Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.

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

Non-ideal solutions (like alcohol + ketone) show deviation due to strong intermolecular interactions (H-bonding). Alcohol + alcohol (methanol + ethanol) may slightly deviate, but the strongest non-ideality is with alcohol + ketone.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.