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Solution

Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids, solid solutions, colligative properties - relative lowering of vapour pressure, Raoult's law, elevation of boiling point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative properties, abnormal molecular mass, Van't Hoff factor.

chemistry 12th class cbse notes

Abnormal Molar Masses

Abnormal Molar Masses In some cases, observed colligative properties deviate from their normal calculated values due to association or dissociation of molecules. As we know, Colligative...
chemistry 12th class cbse notes

Osmosis and osmotic Pressure

Osmosis Pressure (n) Osmosis is the phenomenon of spontaneous flow of the solvent molecules through a semipermeable membrane from pure solvent to the solution or...
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Colligative Properties

Colligative Properties Colligative: from Latin. = Co mean ‘together’; ligare means ‘to bind’. Colligative properties are those properties which depend only upon the number of solute...
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Azeotropes & it’s Types

Azeotropes: These are a mixture of two liquids having the same composition in liquid as well as the vapour phase and boil at the constant...
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Deviation from Roult’s Law

Positive Deviation from Roult’s Law The vapour pressure of solution formed by mixing two components is higher than predicted from Roult’s Law The new...
chemistry 12th class cbse notes

Ideal and Non-Ideal Solutions

Ideal and Non-Ideal Solutions: Liquid-liquid solutions can be classified as ideal and non-ideal on the basis of certain properties. Ideal Solution: Obeys the Roult’s Law over...
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Vapour Pressure of a Solid-Liquid Solution

Vapour Pressure of a Solid-Liquid Solution: When a non-volatile solid is added to the solvent to form a solution, then the vapour pressure of the...
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Vapour Pressure of a Liquid Solution

Vapour Pressure of a Liquid Solution: The liquid solution is formed when a solvent is in a liquid phase. The solute may be solid, liquid...
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Solubility

What is Solubility? The solubility of a substance is the maximum amount that can be dissolved in given amount of solvent at a specific temperature....
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Concentration of Solutions

Expressing Concentration of Solutions The composition of a solution is defined in terms of concentration. There are several ways to define the concentration of the solution...