Class 11 / Chemistry / Chemical Bonding and Molecular Structure / Valence Bond Theory

Explanation of Valence Bond Theory

Expalnation of Valence Bond Theory As already explained, Lewis concept is unable to explain the shapes of molecules. This theory provides a simple procedure to predict the shapes of covalent molecu

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Class 11 / Chemistry / Chemical Bonding and Molecular Structure / Valence Bond Theory

Orbital Overlap Concept

Orbital Overlap Concept In the formation of hydrogen molecule, there is a minimum energy state when two hydrogen atoms are so near that their atomic orbitals undergo partial interpenetration. This

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Class 11 / Chemistry / Chemical Bonding and Molecular Structure / Valence Bond Theory

Directional Properties of Bonds

Directional Properties of Bonds As we have already seen, the covalent bond is formed by overlapping of atomic orbitals.The molecule of hydrogen is formed due to the overlap of 1s-orbitals of two H

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Class 11 / Chemistry / Chemical Bonding and Molecular Structure / Valence Bond Theory

Overlapping of Atomic Orbitals

Overlapping of Atomic Orbitals When orbitals of two atoms come close to form bond, their overlap may be positive, negative or zero depending upon the sign (phase) and direction of orientation of am

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Class 11 / Chemistry / Chemical Bonding and Molecular Structure / Valence Bond Theory

Types of Overlapping and Nature of Covalent Bonds and Strength of Bonds

Types of Overlapping and Nature of Covalent Bonds and Strength of  Bonds   The covalent bond may be classified into two types depending upon the types of overlapping: (i)

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