The chapter Chemical Bonding plays an important role in IIT JEE, UPSEE, WBJEE and various other engineering entrance examinations. This article talks about Valence Shell Electron Pair Repulsion (VSEPR) theory in detail. It also talks about different molecular shape. About 1-3 questions are being asked from this topic. The concept given in this article is in concise form and can be used for revision before the examination.
Some questions are also given in the article which have been asked in the IIT JEE previous year exams
VALENCE SHELL ELECTRON PAIR REPULSION (VSEPR) THEORY
Main Postulates of VSEPR Theory:
Shape of molecules in which the central atom has no lone pair of electrons is given in the table below
Shapes of some simple molecules/ions with central ions having one or more lone pairs of electrons is given below in the table
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