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| 1. |
Why `[BF_(6)]^(2-)` ion does not exist? |
| Answer» Valence shell electronic configuration of boron is `2s^(2)2p^(1)` i.e. boron can expand its coordination number to `4` only. Due to the absence of low-lying `d`-orbitals in its valence shell, boron cannot expand of low-lying `d`-orbitals in its valence shell, boron cannot expand its coordination number beyond `4`, hence,`[BF_(6)]^(2-)` does not exist. | |