Question

What is polarising power and explain the fajans

Answer 1

If the degree of polarization is quite small, an ionic bond is formed, while if the degree of polarization is large, a covalent bond results. The ability of a cation to distort an anion is known as its polarization power.

Answer 2

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Here is your answer

» For a given cation, covalent character Increases with increase in size of the anion

» For a given anion, covalent character increases with a decrease in the size of the cation

» Covalent character Increseas with increasing charge either on cation or an anion

» Covalent character is higher for compounds with cations with pseudo noble gas electronic configuration