Chapter 3 of 16
Syllabus
Some Analytical Techniques — Syllabus
Maharashtra Board · Class 11 · Chemistry
What Some Analytical Techniques covers in Maharashtra Board Class 11 Chemistry: 4 topics, for the 2026-27 session.
44 questions24 flashcards5 concepts
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4 Topics · Maharashtra Board Class 11 Chemistry · 2026-27
Topics in Some Analytical Techniques
1
Purification of Solids
- Two types of impurities exist: (1) Soluble in same solvent as main substance, (2) Insoluble in same solvent
- Filtration separates insoluble impurities - residue remains on filter paper, filtrate passes through
- Filtration under suction is faster and more efficient using Buchner funnel and vacuum pump
2
Distillation Techniques
- Simple distillation separates volatile liquids from non-volatile impurities or liquids with large boiling point differences (>25°C)
- Thermometer bulb must be just below side arm to measure vapor temperature accurately
- Fractional distillation uses fractionating column to separate liquids with small boiling point differences
3
Solvent Extraction
- Based on differential solubility of substance in two immiscible liquids
- Organic substance extracted from aqueous solution using immiscible organic solvent
- Solute distributes between two phases according to its relative solubility
4
Chromatographic Techniques
- Based on differential distribution of components between stationary and mobile phases
- Adsorption chromatography: separation by differential adsorption on solid stationary phase
- Partition chromatography: separation by differential partitioning between two liquid phases
Key Concepts
A basic separation technique usedA fourSeparates two or more soluble substancesSeparates volatile liquids from nonUsed when boiling point difference
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What are the important topics in Some Analytical Techniques for Maharashtra Board Class 11 Chemistry?
Key topics in Some Analytical Techniques include Purification of Solids, Distillation Techniques, Solvent Extraction, Chromatographic Techniques. Study these first, then practise questions on each for Class 11 exams.
How should I revise Some Analytical Techniques for Class 11 exams?
Learn the core ideas first, then work through the 44 practice questions on Some Analytical Techniques. Revise definitions regularly and use flashcards for quick recall before the exam.
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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