Based on Wade's rule, the structure-type of [B₅ H₈]⁻is · ABC26IN0529

Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: 18 Electron Rule · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Easy

Based on Wade's rule, the structure-type of $\left[\mathrm{B}_{5} \mathrm{H}_{8}\right]^{-}$is
(a)closo
(b)nido
(c)arachno
(d)hypho
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
[B₅H₈]⁻ is deprotonated nido-B₅H₉ (n + 2 pairs) (b).

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