JEE Main Principles Related to Practical Chemistry: Weightage, Key Concepts and Study Plan
Principles Related to Practical Chemistry in JEE Main: 46 questions across 2022–2026, rank #20 of 20 in Chemistry, stable momentum. Year-wise data, key concepts and a study plan.
Edurack
October 21, 2026
Principles Related to Practical Chemistry is a lighter-weight chapter in JEE Main Chemistry: it ranks #20 of 20, so it adds a few questions rather than a block of them. Here is what five years of JEE Main questions say about it, and how to prepare.
At a glance
- 46 questions across 2022–2026, all shifts
- 1.6% of Chemistry over five years and 2.1% in 2024–2026
- Rank #20 of 20 Chemistry chapters by recent weight
- Momentum: Stable
- Asked in 5 of 5 years; busiest year 2025 with 16 questions
- 7 questions in the 2026 papers
Year-wise questions
| Year | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
|---|---|---|---|---|---|---|
| Questions | 10 | 5 | 8 | 16 | 7 | 46 |
How Principles Related to Practical Chemistry compares inside Chemistry
| Rank | Chapter | Total Qs | 2024–26 share | Momentum |
|---|---|---|---|---|
| 18 | Purification and Characterisation of Organic Compounds | 94 | 3.6% | Stable |
| 19 | Organic Compounds Containing Halogens | 58 | 2.5% | Stable |
| 20 | Principles Related to Practical Chemistry | 46 | 2.1% | Stable |
Concepts that repeat
In our data no single concept dominates Principles Related to Practical Chemistry. Its questions are spread across the syllabus, so work through every sub-topic rather than a short list.
What the syllabus covers
Detection of elements and functional groups, preparation of Mohr's salt, potash alum, acetanilide and iodoform, titrimetric exercises, qualitative salt analysis, enthalpy and kinetics experiments.
A checklist to tick off:
- Detection of elements and functional groups
- Preparation of Mohr's salt
- Potash alum
- Acetanilide and iodoform
- Titrimetric exercises
- Qualitative salt analysis
- Enthalpy and kinetics experiments
What to focus on
Colours of salts and precipitates, tests for functional groups and the logic of titrations.
A study plan for this chapter
Treat it as a dependable source of marks and keep it in your regular revision cycle. If you divide your Chemistry time in proportion to recent weightage, this chapter earns about 2% of it.
- Day 1–2: a fast pass over theory and the standard results.
- Day 3: chapter-wise PYQs, then log the mistakes.
- Ongoing: a quick look before each mock test.
Keep reading
- The full ranking: JEE Main Chemistry chapter-wise weightage
- The chapter just above it by weight: Organic Compounds Containing Halogens
- Another heavier chapter: Purification and Characterisation of Organic Compounds
See Principles Related to Practical Chemistry on the weightage page →
Frequently Asked Questions
How many questions has Principles Related to Practical Chemistry had in JEE Main?
46 questions across 2022–2026, counting every shift: 2022: 10, 2023: 5, 2024: 8, 2025: 16, 2026: 7.
Is Principles Related to Practical Chemistry important for JEE Main Chemistry?
It ranks #20 of 20 Chemistry chapters by recent weight, which puts it in tier 3 of 3 for preparation. Its momentum is labelled Stable.
How should I start Principles Related to Practical Chemistry?
Colours of salts and precipitates, tests for functional groups and the logic of titrations. Then solve chapter-wise previous-year questions.