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| 1. |
LiF is ionic but BeF_2 is covalent. Comment. |
| Answer» Solution :The electronegativity difference between elements of LiF is 3 and of `BeF_(2)` is 2.5. Both are expected to be ionic. But DUE to high POLARISATION ABILITY of `Be^(2+)` ion, `BeF_(2)` is not pure ionic. It is more covalent. | |