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Maharashtra Board Class 12 Chemistry — Formula Sheet

Maharashtra Board Class 12 Chemistry formula sheet, chapter by chapter — 30 formulas across 7 chapters. Follows the MSBSHSE syllabus.

How to Use the Formula Sheet

  1. Write, don't just read — writing each formula out helps it stick.
  2. Understand the derivation — you can rebuild a formula you half-remember.
  3. Group related formulas — link the ones that build on each other.
  4. Test yourself — cover the sheet and write the formulas from memory.

Chapter-Wise Formulas — 7 Chapters

1

Solid State

2 entries
2D packing: Square (AAAA, coordination = 4) and Hexagonal (ABAB, coordination = 6)
Packing efficiency: sc = 52.4%, bcc = 68%, fcc = 74%.
The full Solid State formula sheet
2

Solutions

5 entries
Raoult's Law: Partial vapour pressure of component = vapour pressure of pure component × mole fraction
For binary solutions: P₁ = x₁P₁⁰ and P₂ = x₂P₂⁰
Total pressure P = P₁ + P₂ = x₁P₁⁰ + x₂P₂⁰
States that solubility of gas in liquid is directly proportional to pressure of gas above solution: S = K_H × P.
Vapor pressure of component in solution equals vapor pressure of pure component multiplied by its mole fraction: P₁ = x₁P₁⁰.
The full Solutions formula sheet
3

Ionic Equilibria

5 entries
Degree of dissociation (α) = moles dissociated / total moles
Pure water undergoes self-ionization: 2H₂O ⇌ H₃O⁺ + OH⁻
Ionic product of water: Kw = [H₃O⁺][OH⁻] = 1.0 × 10⁻¹⁴ at 25°C
pH = -log₁₀[H⁺], pOH = -log₁₀[OH⁻]
For weak acids: Ka = α²c/(1-α), and for very weak acids Ka = α²c, so α = √(Ka/c).
The full Ionic Equilibria formula sheet

4 more chapters below

Formula sheets for all 7 chapters with formulas.

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Frequently Asked Questions

Where can I find Maharashtra Board Class 12 Chemistry Formula Sheet?

This page has formula sheet for 7 chapters of Maharashtra Board Class 12 Chemistry for the board exams 2027. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Learn the formulas you use most first, and understand what each symbol means so you can apply them. Knowing where a formula comes from helps you rebuild it if you forget it in the exam.

Browse Formula Sheet by Chapter

7 chapters

1

Solid State

2

Solutions

3

Ionic Equilibria

4

Chemical Thermodynamics

5

Electrochemistry

6

Chemical Kinetics

13

Amines

More Chemistry Resources

Maharashtra Board Class 12

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Chapter Summary

Understand each chapter at a glance

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

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