chemistry, physical chemistry, organic chemistry, analytic chemistry, chemistry notes, Chemistry Notes for Class 12 CBSE Board Download pdf Chapter 2. Free PDF download of Class 12 Chemistry revision notes and short key-notes to score more marks in exams, prepared by expert Class 12 Revision Notes for Chemistry, Chapter wise Solutions for CBSE Books Chapter 2 - Solutions. CBSE Class 12 Chemistry Notes – PDF Download. These formulas would not only help the student to achieve a high score in school exams, but also in CBSE Class 12 Chemistry Board Exam. Download Chapter Wise Notes for CBSE Class 12 Chemistry Notes.
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Key Notes for Chemistry Subject for Class 12 Students are given here. Important topics of 12th Chemistry are covered. These notes will provide you overview of. ichwarmaorourbia.ga PAGE NO. 1. 2. 3. 4. 5. 6. 7. 8. 9. Chemistry XII. Solid State. Solution. Electrochemistry. Chemical Kinetics. Surface chemistry. Chemistry Notes PDF for class 11 are available here. You can easily download the PDF only at BYJU's. Here you Chapter 2 – Structure of Atom · Chapter 3.
Classification of Solutions A Following types of solutions are seen on the basis of physical state of solute and solvent. Solubility The maximum amount of a solute that can be dissolved in a given amount of solvent generally g at a given temperature is termed as its solubility at that temperature.
The value of KH decreases with increase in the temperature. Thus, aquatic species are more comfortable in cold water [more dissolved O2] rather than Warm water. Applications 1. In manufacture of soft drinks and soda water, CO2 is passed at high pressure to increase its solubility. To minimise the painful effects bends accompanying the decompression of deep sea divers.
O2diluted with less soluble.
He gas is used as breathing gas. At high altitudes, the partial pressure of O2 is less then that at the ground level.
Concentration of Solutions The concentration of a solution is defined as the relative amount of solute present in a solution.
On the basis of concentration of solution there are two types of solutions. For a binary solution, if the number of moles of A and B are nA and nB respectively, the mole fraction of A will be iv Parts per million ppm It is defined as the parts of a component per million parts of the solution.
It is widely used when a solute is present in trace quantities. Molality, mole fraction and mass fraction are preferred over molarity, normality, etc.
For a solution containing two liquids A and B, the partial vapour pressure of liquid A is The proportionality constant is obtained by considering the pure liquid when? In other words, mole fraction of the more volatile component is always greater in the vapour phase than in the solution phase. The composition of vapour phase in equilibrium with the solution is determined by the partial pressure of components.
If Y1 and Y2 are the component 1 and 2 respectively in the vapour phase then. These solutions satisfy the following conditions : i Solution must obey Raoult? Non-ideal Solutions Those solutions which shows deviation from Raoult? For such solutions,? Azeotropic Mixture A mixture of two liquids which boils at a particular temperature like a pure liquid and distils over in the same composition is known as constant boiling mixtures.
These are formed by nonideal solutions. Such azeotropes have boiling points lower than either of the components, e.
Such azeotropes have boiling points higher than either of the components. Colligative Properties [Colligatil1e : from Latin. Relative Lowering of Vapour Pressure It is the ratio of lowering in vapour pressure to vapour pressure of pure solvent.
The relative lowering in vapour pressure of solution containing a nonvolatile solute is equal to the mole fraction of solute in the solution. Above expression is used to find the molecular weight of an unknown solute dissolved in a given solvent. Ostwald and Walker method is used to determine the relative lowering of vapour pressure. Elevation in Boiling Point? Chapter 9 - Coordination Compounds. Chapter 10 - Haloalkanes and Haloarenes.
Chapter 11 - Alcohols, Phenols and Ethers.
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Solubility The maximum amount of a solute that can be dissolved in a given amount of solvent generally g at a given temperature is termed as its solubility at that temperature. Toll Free: Having good Chemistry notes for class 12 does help in revision, and we provide the same on our platform.
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