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Refractive index and Measurement of refractive index|chemistry funda

refractive-index-refraction-of-light

Refractive index: Refractive index (n) of a transparent substance is defined as the ratio of the velocity of light in vacuum to velocity of light in the given medium. OR It is defined as the measure of the…

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What is spectroscopy,importance and types of spectroscopy

what is spectroscopy and its spectroscopy-representation

Spectroscopy: Spectroscopy involves the interaction of electromagnetic radiation with matter. OR The branch of chemistry which concern with the investigation and measurement of spectra produced.When matter interacts with or emits electromagnetic radiation. Radiation: Here, Radiation is defined broadly…

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What is Lattice Energy (Crystal Energy) and how to determine lattice energy

lattice energy formula

Lattice Energy (Crystal Energy) The lattice energy is the amount of energy evolved when gaseous ions of opposite charges are brought together to form an ionic crystal composed of 1 mole of formula units of a compound. OR…

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What is hydrogen bonding,types and geometry of hydrogen bonding?

Hydrogen-bonding-structure-and-its-representation

Hydrogen Bonding: The electrostatic force of attraction which is present between partial positively charged  hydrogen atom and a more electronegative atom is known as hydrogen bonding. It has generally been observed that a compound containing hydrogen atom directly…

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What are Pseudohalogen and reactions of pseudohalogens

What-are-Pseudohalogen-with-examples

Pseudohalogen: Certain univalent electronegative inorganic radicals which show a resemblance to the halogen in their chemical properties are called pseudohalogen or halogenoids. So for only a limited number of pseudohalogen have been isolated and characterized.   Example of…

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What are Interhalogen compound,structure and properties of interhalogen?

Interhalogen-Compound-definition-and-diagram

 Interhalogen Compound: The halogen due to the difference in electronagativity , combine with another to form a number of binary compound known as interhalogen compound. Four type of such interhalogen compound are known as namely AB, AB3 ,AB5…

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What is molecular geometry of AB5 and AB6 type compounds?

Geometry-of-SF4-in-vspr-theory

Molecular Geometry: Molecular geometry is the general shape of a molecule as determined by the relative positions of the atomic nuclei. For the  general molecular formula A refer to central atom B refer to atoms attached to central…

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VSEPR theory,rules,application and geometry of AB2, AB3 and AB4?

molecular-geometry-of-AB2,AB3,AB4,AB2E,AB2E2-and-AB3E-in-vsepr-theory

VSEPR THEORY:  VSEPR theory (Valence shell electron pair repulsion theory ) is a model used in chemistry to predict the geometry of individual molecule from the number of electron pair surrounding their central atom. OR The electron pairs surrounding the…

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What is Electron deficiency, ionic bond and covalent bond|chemistry funda

Electron-deficiency

Electron deficiency: Electron deficiency Occurs when a compound has too few valence electrons For the connection between atom to be Described as Covalent bonds electron deficient bond are often better described as 3, canter 2,electron bond.Example of compound…

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What is Common ion Effect,Co-Precipitation,Fractional Precipitation

Common-Ion-Effect-definition

Common Ion Effect: The suppral of ionization of a weak electrolyte by adding a common ion from the outside is called common ion effect.The common ion effect is responsible for the reduction in the solubility of an ionic…

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