Question

explain fajan rule and the rules

Answer 1

fajan rule states that the molecule of low positive charge large size cation and small size of anion makes electrovalent bond and the molecule of high positive charge small cation and large anion makes covalent bonds

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