Which of the following species does NOT exist due to the anomalous properties of the first element o — p Block Elements Chemistry Question
Question
Which of the following species does NOT exist due to the anomalous properties of the first element of its group?
Answer: C
💡 Solution & Explanation
Boron belongs to the second period and lacks d-orbitals, restricting its maximum covalency to 4. Therefore, the $[BF_6]^{3-}$ ion, which requires a coordination number of 6, cannot physically exist.
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