The coordination number of aluminium ion and the number of bridging hydrogen atoms in [Al (BH₄)₄]⁻ are… · ABC26IN0723
Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Medium
The coordination number of aluminium ion and the number of bridging hydrogen atoms in $\left[\mathrm{Al}\left(\mathrm{BH}_{4}\right)_{4}\right]^{-}$ are respectively,
(a)8 and 8
(b)6 and 6
(c)4 and 6
(d)8 and 12
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Four bidentate BH₄⁻ groups give Al coordination number 8 with eight bridging H (a).