JEE Main 2026 Chemistry Session 2: Full Analysis

JEE Main 2026 Chemistry Session 2 was characterised by a significant shift toward NCERT-direct questions in Inorganic, above-average complexity in Physical Chemistry, and a balanced Organic section that rewarded mechanism understanding over rote memorisation. This analysis breaks down exactly what the paper tested, where marks were most accessible, and what this session's pattern implies for future preparation.

Physical Chemistry: Above-Average Difficulty

Physical Chemistry in Session 2 was harder than Session 1. Equilibrium contributed two questions — one standard Kp/Kc conversion and one Le Chatelier effect on solubility, which several students mishandled by confusing the common-ion effect with temperature effects. Electrochemistry gave one Nernst equation numerical and one Faraday's law problem — both straightforward for prepared students. Thermodynamics gave two questions on Hess's law and entropy change, slightly above average difficulty. Solutions gave one colligative properties problem on elevation in boiling point.

The surprise in Physical Chemistry was an above-average Chemical Kinetics question involving integrated rate laws and half-life comparisons for first-order vs zero-order reactions. Students who had not revised integrated rate law expressions carefully lost these marks. Take a free Physical Chemistry mock to check your kinetics and equilibrium preparation.

Organic Chemistry: Mechanism-Forward Paper

Organic Chemistry in Session 2 rewarded mechanism understanding. Three questions required genuine mechanistic reasoning: an aldol condensation product prediction (the crossed-aldol setup with benzaldehyde and acetaldehyde), an SN1 vs SN2 competition question based on substrate structure and solvent, and a diazonium salt transformation chain. These were not questions that could be answered by memorising isolated reactions — they required the student to apply the underlying electronic principles.

Biomolecules contributed two questions at easy difficulty (one reducing vs non-reducing sugar identification, one protein denaturation concept). Polymers contributed one question on classification (condensation vs addition). Chemistry in Everyday Life gave one drug classification question — distinguishing antibiotic from antiseptic. Our biomolecules guide and nitrogen compounds guide cover the exact areas tested.

Inorganic Chemistry: NCERT Dominance

Inorganic was almost exclusively NCERT-direct. Coordination compounds gave three questions: one IUPAC naming, one isomerism identification, one crystal field theory colour explanation. p-Block gave two questions on Group 15 (ammonia vs phosphine basicity and structure of PCl₅). Periodic trends gave two questions on ionisation enthalpy anomalies (Be vs B, N vs O). d-Block contributed one question on transition metal properties. The overall message: for Inorganic, NCERT Class 11 and 12 Inorganic chapters read once actively and drilled via PYQs is sufficient and necessary.

The 99 percentile cutoff for Chemistry Session 2 was approximately 114 marks — higher than Session 1, reflecting the more straightforward Organic and Inorganic sections despite the harder Physical section. For aspirants targeting top scores, strengthening Physical Chemistry is the highest-leverage remaining improvement area. Our equilibrium guide, electrochemistry guide, and chemistry strategy guide cover the complete preparation framework.