In the tetranuclear unit of Borax, , how many boron atoms are hybridized and how many are hybridized — p Block Elements Chemistry Question
Question
In the tetranuclear unit of Borax, $[B_4O_5(OH)_4]^{2-}$, how many boron atoms are $sp^2$ hybridized and how many are $sp^3$ hybridized respectively?
Answer: B
💡 Solution & Explanation
The true structure of Borax features the tetranuclear $[B_4O_5(OH)_4]^{2-}$ ion. It contains exactly two $sp^2$ hybridized boron atoms (triangular planar) and two $sp^3$ hybridized boron atoms (tetrahedral).
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