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Volumetric method for acids and bases - chemical methods
Molecular mass of an acid can be ascertained by dissolving a known mass of the acid in water and titrating the solution against a standard solution of an alkali by using phenolphthalein like an indicator. Knowing the volume of alkali solution employed, the mass of the acid that will require 1000 ml of a normal alkali solution for complete neutralisation can be measured. This type of mass of the acid will be its equivalent mass.
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
Explain the Two solids and a solvent - Phase Diagram? The phase diagram in Figure on the next page is for a ternary system of water and two salts with an ion in common. There i
Q. Explain Valence Bond Theory? This concept starts with the assumption that the bond between the metal ion and the ligand is basically covalent in nature. In order to form a c
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Q. Isomerism in Coordination Compounds? You have already learnt about isomerism in your earlier studies. The phenomenon of isomerism is not restricted to organic compounds only
what are the factors affecting the acidity of the aromatic carboxylic acids ?
Among the following for which one mathematical expression γ= h/p stands: (1) De Broglie equation (2) Einstein equation (3) Uncertainty equation (4) Bohr equation A
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How can you identify the phenolic-OH gr. of an organic compound which also contain an electron withdrawing group?
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