In the structure of B₄ O₅(OH)₄²⁻ · ABC26IN0705
Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
In the structure of $\mathrm{B}_{4} \mathrm{O}_{5}(\mathrm{OH})_{4}^{2-}$
(a)All four B atoms are trigonal planar
(b)One B atom is tetrahedral and the other three are trigonal planar
(c)Three B atoms are tetrahedral and one is trigonal planar.
(d)Two B atoms are tetrahedral and the other two are trigonal planar
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
In the tetraborate [B₄O₅(OH)₄]²⁻ two boron atoms are tetrahedral and two trigonal planar (d).
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