Lipi · Exam-frequency analytics

Chemistry PYQ Heat Map

Every Class 11 & 12 Chemistry chapter, ranked by real question load across four exams. Pick a year to re-rank the whole table by that year alone. Warmer cells = more questions.

Year
ColdHot
CoreHighModerateSupport
#ChapterCls JEE MainJEE AdvNEETCBSE 12CompositePriority

Video build order

Highest cross-exam yield first · Class 11, Class 12, both.

Sources. JEE Main & Advanced classified PYQs, NEET (independently re-classified), and CBSE Class 12 Board marks — official papers, 2022–2026. CBSE has no Class 11 board exam (school-internal), so Class 11 chapters are scored on JEE + NEET only. Cells shade within each exam and each selected year; picking a year re-ranks the whole table by that year alone.
Composite. Normalised JEE 40% · NEET 35% · CBSE 25% (Class 11: JEE 53% · NEET 47%).
Caveat. Chapter classifications carry a ±margin near topic boundaries; some Physics JEE buckets were de-merged onto NCERT chapters by NEET proportion. Treat tiers as build-priority guidance, not exact ranks.