Chemistry Unit 5: Chromatography

Unit 5: Chromatography

• Define chromatography, explain the principle diagrammatically.
• Describe different chromatography classifications.
• Explain column chromatography development methods.
• Detail the principle of thin-layer chromatography.
• Explain the principle and mechanism of paper chromatography diagrammatically.
• Detail the development process for thin-layer chromatography plates.

Unit 4: Chemical Reactions and Equilibrium

• Discuss reversible and irreversible reactions with examples.
• Explain the relationship between KP and KC.
• Explain how changes in concentration, pressure, and temperature affect chemical reactions, using suitable examples.
• Analyze the feasibility of chemical reactions by considering Gibbs free energy.
• Explain the applications of Le Chatelier's principle.

Unit 2: Measurement and Calculations

• Differentiate between precision and accuracy in measurements.
• Provide a brief overview of sampling concepts.
• Calculate mean, median, and mode (numerical examples).
• Define and calculate percentage composition and concentration terms (numerical examples).
• Define and explain molarity, molality, normality, and mole fraction.
• Calculate empirical and molecular formulas (numerical examples).

Unit 1: Mathematical Concepts

• Define minimum and maximum values and their applications.
• Define and explain log roots.
• Describe the concept of straight-line equations.

Additional Topics

• Vibrational Degrees of Freedom: Calculating vibrational degrees of freedom for CO2 and CCl4.
• IR Spectroscopy: Discuss the applications of IR spectroscopy.
• Modes of Vibration: Define and classify vibrational modes.

इस क्विज़ में क्रोमैटोográफ़ी की परिभाषा और उसके सिद्धांत को चित्रात्मक रूप में समझाया गया है। विभिन्न क्रोमैटोग्राफी वर्गीकरण और कॉलम क्रोमैटोग्राफी के विकास विधियों का भी विवरण दिया गया है। इसमें पतले परत की क्रोमैटोग्राफी और कागज़ क्रोमैटोग्राफी के सिद्धांत को भी समझाया गया है।