Monday, September 23, 2019
Home Chemistry Chemical Bonding and Molecular Structure

Chemical Bonding and Molecular Structure

Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, covalent character of ionic bond, valence bond theory, resonance, geometry of covalent molecules, VSEPR theory, concept of hybridization involving s, p and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules (qualitative idea only), Hydrogen bond

11th Chemistry NCERT notes

Hydrogen Bonding

Hydrogen Bonding Hydrogen bond can be defined as the attractive force which binds hydrogen atom of one molecule with the electronegative atom (F, O or...
11th Chemistry NCERT notes

Bonding in Some Homonuclear (Diatomic) Molecules

Hydrogen molecule (H2) It is formed by the combination of two hydrogen atoms. Each hydrogen atom has one electron in 1s orbital, so, the electronic...
11th Chemistry NCERT notes

Molecular Orbital Theory

Molecular Orbital Theory According to this theory, the atomic orbitals combine to form the molecular orbitals. The number of molecular orbitals formed is equal is...
11th Chemistry NCERT notes


Hybridisation Hybridisation is the process of intermixing of the orbitals of slightly different energies so as to redistribute their energies resulting in the formation of...
11th Chemistry NCERT notes

Orbit Overlap Concept

Orbit Overlap Concept According to orbital overlap concept, the formation of a covalent bond between two atoms results by pairing of electrons present in the...
11th Chemistry NCERT notes

Valence Shell Electron Pair Repulsion Theory & Valence Bond Theory

Valence Shell Electron Pair Repulsion Theory According to this theory, The geometry of a molecule or ion depends on the number of electron pairs in...
11th Chemistry NCERT notes

Bond Parameters

Bond Parameters Bond Length Bond length is defined as the equilibrium distance between the nuclei of two bonded atoms in a molecule. Bond length increases with increases...
11th Chemistry NCERT notes

Covalent Bond

Covalent Bond A chemical bond formed between two atoms by mutual sharing of the electron between them so as to complete their octels or duplets...
11th Chemistry NCERT notes

Ionic or Electrovalent Bond

Ionic or Electrovalent Bond A chemical bond formed by complete transference of elements from one atom (metal) to another (non-metal) and hence, each atom acquires...
11th Chemistry NCERT notes

Chemical Bond

Chemical Bond The attractive force which holds various constituents (atoms, ions, etc.) together in different chemical species is called a chemical bond. Modes of Chemical Composition This...