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Showing posts with label Chapter-4 Chemical bonding. Show all posts
Showing posts with label Chapter-4 Chemical bonding. Show all posts
Thursday, November 12, 2020

Chemical bonding -HYDROGEN BONDING

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  HYDROGEN BONDING ·       ·        In 1920, Latimer and Rodebush introduced the idea of "hydrogen bond" to explain the nature of ...
Thursday, October 29, 2020

Bond parameter- Bond length, bond angle and bond energy

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  Bond parameter-  Bond Length-  The average distance between the nucleus of two atoms is known as bond length, normally it is represent...
Wednesday, October 28, 2020

HYBRIDISATION

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  HYBRIDISATION    ·       It is introduced by Pauling and Slater , to explain equivalent nature of covalent bonds in a molecule.    ·  ...

Valence bond Theory (VBT)

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  VALENCE BOND THEORY (VBT) :  It was presented by Heitler & London to explain how a covalent bond is formed. It was extended by Pauling...

VSEPR theory - VALENCE SHELL ELECTRON PAIR REPULSION THEORY

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  VALENCE SHELL ELECTRON PAIR REPULSION THEORY (VSEPRT ) It was described by Sidgwick and Powel in 1940 and further developed by Gillespie...

Formal charge

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  Formal charge-  defined as the difference between the no of valence electrons of that atom in an isolated of free state and the no of elec...

KOSSEL - LEWIS APPROACH TO CHEMICAL BONDING - Octet rule

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KOSSEL - LEWIS APPROACH TO CHEMICAL BONDING (Octet rule)      ·        Every atom has a tendency to complete its octet in outermost shell ...
Monday, October 26, 2020

Lewis symbol and rule of Lewis dot structure -why does atom combine with other atom?

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  Chemical bond-   ·        A force that acts between two or more atoms to hold them together as a stable molecule.   ·        This proc...