Question

Mention the significance of the Fajan's rule.​

Answer 1

Explanation:

Fajan's rule is related to the covalent character in ionic bond or ionic compounds. It has been experimentally observed that a polar covalent bond is more stable than a pure covalent or a pure ionic bond . The higher the degree of ionic polarization , the greater is the stability of the polar covalent bond .

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Answer 2

Answer:

Fajans’ rule in inorganic chemistry, formulated by Kazimierz Fajan in 1923, is used to predict whether a chemical bond will be covalent or ionic.

Explanation:

In Fajans rule it explains that The variation in effect can be illustrated by two contrasting examples. In the case of aluminium iodide, a bond that is ionic but with lots of covalent character is present. In All3 the aluminium bonding gains a +3 charge. On the cloud of iodine, it pulls the large charge of the electrons. Considering the iodine atom we can see that it is relatively large. Thus the outer shell electrons are relatively well-shielded from the nuclear charge.