The number of ‘framework electron pairs’ present in the borane cluster [B₁₂H₁₂]²⁻ is: · ABC26IN0509
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Easy
The number of ‘framework electron pairs’ present in the borane cluster $[\mathrm{B_{12}H_{12}}]^{2-}$ is:
Answer
Answer: D ✓ checked by 4AB · confidence high
The source book printed C; on checking, D is correct — see the explanation.
Explanation
[B₁₂H₁₂]²⁻ is closo: framework electron pairs = n + 1 = 13 (d).
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