NaCl is more covalent than CsCl but has more melting point please explain
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According to Fajan's rule-greater the possibility of polarisation, lower is the melting point and heat of sublimation and greater is the solubility in non-polar solvents
Covalent char :-
LiCl >NaCl> KCl> RbCl>CsCl
Literature value of melting point
LiCl= 605°c, NaCl=800°C, KCl = 776°C, RbCl = 715°C, CsCl = 625°C).
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