Solubility — Predicted 2026

AI-Predicted Question Angles for UPSC 2026

Based on trend analysis, current affairs, and recurring themes in Solubility.

Henry's Law numericals with varying units

high

Henry's Law is a quantitative aspect of solubility and is highly testable. Questions might involve converting pressure units (e.g., atm to bar or kPa) or calculating mole fraction from given mass/volume data, requiring an extra step. The ability to handle different units for $K_H$ and pressure is a common differentiator among students.

Conceptual questions contrasting solubility of different phases

medium

NEET often tests the ability to differentiate between similar-sounding concepts. A question might ask to compare the effect of increasing temperature on the solubility of NaCl in water versus $O_2$ in water, or the effect of pressure on sugar solubility versus $CO_2$ solubility. This tests a deeper understanding of the underlying principles for each phase.

Application-based questions on biological or environmental contexts

high

Connecting chemistry concepts to real-world applications, especially biological ones, is a hallmark of NEET. Questions on the 'bends' in divers, the survival of aquatic life in warm water, or the role of dissolved gases in blood are highly probable. These questions assess not just recall but also the ability to apply principles to novel situations.

Graphical interpretation of solubility data

medium

Graphs showing solubility curves as a function of temperature or pressure are excellent ways to test conceptual understanding without direct calculations. Students might be asked to identify which curve represents an exothermic dissolution or which gas has a higher $K_H$ at a given temperature based on its solubility curve.