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Chapter 17 of 19
Study Plan

HydrocarbonsStudy Plan

OJEE · Chemistry

Step-by-step Hydrocarbons study plan for OJEE Chemistry 2026 — structured month-wise approach to mastering this chapter.

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An infographic illustrating the main types of hydrocarbons: saturated (alkanes), unsaturated (alkenes, alkynes), and aromatic hydrocarbons, with their general structures and key characteristics.
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How to Study Hydrocarbons

A structured approach to studying Hydrocarbons for OJEE Chemistry.

Study Plan for Hydrocarbons

1

Day 1–2: Learn the Theory

Study the chapter thoroughly. Note down definitions, formulas, and key concepts.

2

Day 3: Practice Problems

Solve practice questions and previous year OJEE problems. There are 327 questions available for this chapter.

3

Day 4: Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding.

What to Focus On

  • Hydrocarbons contain only carbon and hydrogen atoms
  • Classification based on C-C bond types: saturated, unsaturated, aromatic
  • General formulas: Alkanes CₙH₂ₙ₊₂, Alkenes CₙH₂ₙ, Alkynes CₙH₂ₙ₋₂

  • General formula: CₙH₂ₙ₊₂, sp³ hybridized carbons
  • Exhibit chain isomerism from C₄ onwards
  • Prepared by hydrogenation, reduction, Wurtz reaction, decarboxylation

  • Free radical halogenation mechanism with three steps
  • Reactivity order: F₂ > Cl₂ > Br₂ > I₂
  • Hydrogen replacement: 3° > 2° > 1°

Common Mistakes to Avoid

All hydrocarbons with the same molecular formula have identical properties and can be used interchangeably in reactions

Markovnikov's rule always applies to all addition reactions of alkenes regardless of reaction conditions

Benzene readily undergoes addition reactions like alkenes because it has multiple double bonds

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Frequently Asked Questions

What topics are covered in Hydrocarbons for OJEE?
Hydrocarbons is an important chapter in OJEE Chemistry. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: 9.1 Classification of Hydrocarbons, 9.2 Alkanes - Structure and Properties, 9.2 Alkane Preparation Methods, 9.2 Alkane Chemical Reactions.
How important is Hydrocarbons for OJEE?
Hydrocarbons is a frequently tested chapter in OJEE Chemistry. Questions from this chapter appear regularly in previous year papers. There are 327 practice questions available for this chapter.
How to prepare Hydrocarbons for OJEE?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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Get the full Hydrocarbons chapter — for free.

Practice questions, revision notes, formula sheet and AI doubt-solver for OJEE Chemistry.