Chemical Equilibrium
Telangana Open School (TOSS) · Class 12 · Chemistry
Complete topic list for Chemical Equilibrium in Telangana Open School (TOSS) Class 12 Chemistry. Key concepts, sub-topics, and what to focus on for board exams.
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Topics in Chemical Equilibrium
1. Static and Dynamic Equilibrium
- Static equilibrium occurs when no movement or reaction takes place, e.g., a book lying on a table.
- Dynamic equilibrium occurs when forward and reverse processes happen at equal rates, resulting in no net change, e.g., liquid-vapour equilibrium.
2. Reversible and Irreversible Reactions
- Reversible reactions proceed in both directions and are denoted by ⇌.
- Irreversible reactions go to completion and are denoted by →.
- Most reactions are theoretically reversible, but some proceed almost entirely in one direction.
3. Characteristics of Equilibrium State
- Equilibrium is dynamic — reactions continue at equal rates.
- It can be reached from either direction (reactants or products).
- Only possible in a closed system to prevent escape of substances.
4. Physical and Chemical Equilibria
- Physical equilibria include phase changes like solid-liquid, liquid-vapour, and solubility.
- Chemical equilibria involve reversible chemical reactions.
- Homogeneous equilibrium: all components in the same phase.
Key Concepts
Central concept: Chemical Equilibrium
Frequently Asked Questions
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