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| 1. |
Explain fajans rule. |
| Answer» Fajans\' rule states that a compound with low positive charge, large cation and small anion has ionic bond where as a compound with high positive charge, small cation and large anion are covalently bonded. NaCl is correctly predicted to be ionic since Na+ is a larger ion with a low charge and Cl− is a smaller anion. | |