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Aluminium forms [AlF_(6)]^(3-)ion but boron does not form [BF_(6)]^(3-)ion. |
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Answer» SOLUTION :Maximum co-ordination NUMBER of boron is four as it does not have d-orbitals, while the maximum COORDINATION number of aluminium is 6. Thus, Al forms `[AlF_(6)]^(3-)`ion while boron does not form `[BF_(6)]^(3-)` ion. |
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