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Formula Sheet

Chemical Kinetics

Jharkhand Board · Class 12 · Chemistry

All formulas from Chemical Kinetics in Jharkhand Board Class 12 Chemistry. Key equations, constants, and identities for board exam preparation.

32 questions22 flashcards5 concepts

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An infographic illustrating the key factors that influence the rate of a chemical reaction, such as concentration, temperature, surface area, catalyst, and nature of reactants.
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10 Formulas · 3 Sections

Formulas

Rate of a Chemical Reaction

Average Rate = -Δ[R]/Δt = +Δ[P]/Δt

Instantaneous Rate = -d[R]/dt = +d[P]/dt

For aA + bB → cC + dD: Rate = -(1/a)d[A]/dt = -(1/b)d[B]/dt = (1/c)d[C]/dt = (1/d)d[D]/dt

Rate Law, Rate Constant, and Order of Reaction

Rate = k[A]ˣ[B]ʸ

Units of k = (mol L⁻¹)^(1-n) s⁻¹

Integrated Rate Equations

Zero Order: [R] = [R]₀ - kt OR k = ([R]₀ - [R])/t

First Order: ln[R] = -kt + ln[R]₀ OR k = (1/t) ln([R]₀/[R]) OR k = (2.303/t) log([R]₀/[R])

[R] = [R]₀ · e^(-kt)

Zero Order t₁/₂ = [R]₀ / 2k

First Order t₁/₂ = 0.693/k = ln2/k

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Frequently Asked Questions

What are the important topics in Chemical Kinetics for Jharkhand Board Class 12 Chemistry?
Key topics in Chemical Kinetics include Chemical Kinetics - Complete Chapter Mind Map, Chemical Kinetics — Complete Chapter Overview, Chemical Kinetics — Complete Concept Map. These are the concepts Jharkhand Board Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Chemical Kinetics — Jharkhand Board Class 12 Chemistry?
Understand the core concepts first, then work through the 32 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Chemical Kinetics

All 10 chapters — Jharkhand Board Class 12 Chemistry Formula Sheet

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