Question

High polarizability increases the strength of_______.

Answer 1

Hint: To solve this problem we first clear the meaning of polarizability: what is polarizability, what is its use in chemistry, especially in inorganic chemistry. There are two types of polarizability present or which we study and these two are electric polarizability and magnetic polarizability. They both have their own importance in chemistry as well as in physics also.

Complete answer:
Polarizability can be defined as a measure of how easily an electron cloud is distorted with the help of an electric field. High polarizability increases the strength of attractive interactions. Electrons can be easily taken away from the nucleus, if the polarizability is very high. When the electrons are pushed between the two bonded molecules, they prefer to make bonds with the molecule having higher covalent character. As the polarizability is directly proportional to dispersion forces, so when polarization increases, the dispersion force becomes stronger by which molecules get attached to each other more strongly resulting in the increment of polarizability.

Note:
Polarizability when subjected to electric field, becomes responsible for the generation of electric dipole moment. When the electric field is applied, the negatively charged electrons and positively charged protons (nuclei) begin to experience the opposite forces which results in the charge separation. It is also responsible for dielectric constant of material and also for refractive index at higher or optical frequencies. In such a manner magnetic polarizability has a tendency to create a magnetic dipole moment when an external magnetic field is applied.