bond breaking and bond making

The heat of reaction generally gives the change in energy in a chemical reaction. This change in energy is the difference between heat content of the reactants (H r e a c t a n t s ) and the heat content of the products (H p r o d u c t s ). It is also called enthalpy change. It is ..

Bond Energy or Bond Enthalpy - In chemical reactions the formation of a chemical bond is accompanied by the release of energy. Conversely energy has to be supplied for the breaking of a bond. Bond strengths are commonly described by their ..

Bonding in Carbon - The Covalent Bond - Although there are more than hundred elements around us we do not find these elements in their native form in nature. This is because most of these elements are highly reactive. They interact with each other to form simple or complex subst..

Types of Bond Fission - Organic reactions usually involve making and breaking of covalent bonds. Fission of bonds can take place in two wa..

The C-C and C-H bonds in organic compounds are very strong. During chemical reactions, these bonds generally do not break easily. However other atoms or groups such as Cl, OH, etc., attached to the carbon atom may get replaced easily. For example, aqueous KOH reacts w..

="left"> This is a weak bond due to the simultaneous attraction of the electrons by a large number of kernels This is a non-directional bond. This is a directional bond. This is a non-directional bond. This bond makes substances hard and b..

Chemical bonding is like a glue that binds atoms together. And what goes into making that glue? Only electrons. Not all electrons make up the glue, it is only the valence electrons. Valence electrons are the outermost electrons [electrons in the last shell..

Chemical bonding is like a glue that binds atoms together. And what goes into making that glue? Only electrons. Not all electrons make up the glue, it is only the valence electrons. Valence electrons are the outermost electrons [electrons in the last shell..

>As a result of tetrahedral arrangement of H 2 O molecules in the solid state, the ice structure extends in three dimensions. Further the molecules of H 2 O are not packed closely as hydrogen bonds between oxygen and H atoms are longer than covalent bonds between them. This resu..

Main Postulates - I) The metal ligand bond arises by donation of pair of electrons by ligands to the central metal atom. II) To accommodate these electrons the metal ion must possess requisite number of vacant orbitals of equal energy. These orbitals of the metal atom undergo hybridisatio..