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Refractive index and Measurement of refractive index|chemistry funda


Refractive index: Refractive index is defined as the measure of the bending of light when passes from one medium to another. Refractive index is equal to the velocity of light c divided by its velocity v in substance…

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Spectroscopy,importance and types of spectroscopy|chemistry funda

what is spectroscopy and its spectroscopy-representation

Spectroscopy: Spectroscopy involves the interaction of electromagnetic radiation with matter. OR The branch of chemistry that has been produced that is concerned with investigating and measuring spectra.When matter interacts with or emits electromagnetic radiation. Radiation: Here, Radiation is defined broadly to include charged particles such as alpha α and beta β radiation. OR…

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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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Interhalogen compound,structure and properties of interhalogen?


 Interhalogen Compound: The halogen due to the difference in electronegativity , combine with another to form a number of binary compound known as interhalogen compound. AB, AB3, AB5 and AB7 are classified as four forms of such interhalogen compounds. Where A and B are two different halogen. The Halogen of lower…

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What is molecular geometry of AB5 and AB6 type compounds?


Molecular Geometry: Molecular geometry is the general molecular structure as determined by  the atomic nuclei’s relative positions. For the  general molecular formula A refer to central atom B refer to atoms attached to central atom and E refer to central atom pair.   For example AB2E2 is shown as the formula of…

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


VSEPR THEORY:  VSEPR theory  is defined as the electron pairs surrounding the central atom must be arranged in space as for apart as possible to minimize the electrostatic repulsion between them. A Central Atom……A central atom is is any…

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Electron deficiency, ionic bond and covalent bond|chemistry funda


Electron deficiency: Electron deficiency If there are too few valence electrons in a compound. For the connection between atom to be Described as Covalent bonds electron deficient bond are often better described as 3, canter 2,electron bond.The boran is an example of compounds that are deficient in electrons. Electron theory of chemical bonding :           G.N…

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Molecular Orbital Theory (MOT)-inorganic chemistry | chemistry funda


MOLECULAR ORBITAL THEORY[MOT]: THE MOLECULAR ORBITAL THEORY  describes the valance electrons as associated with all the nuclei concerned. The nuclei in equilibrium positions in the the stable molecule and electrons associated in equilibrium the nuclei can be described…

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