Question

On the basis of fajans rules compare the cavalent character in nacl and cucl

Answer 1

cucl is more covalent than nacl because cu has same size as that of na & cuclhas pseudonobal gas configration due to which it has 18 electrons in outermost shellthan na cl which has 8 elctrons. ... --it is not covalent bond as there isn't participation between two atoms Na and CL.

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

» NaCl>CuCl