The number of 3c-2e bonds present in Al (BH₄)₃ is- · ABC26IN0956

Subject: Inorganic Chemistry · Chapter: Chemical Bonding · Topic: Chemical Bonding – General · Exam: CSIR NET JUNE 2016 · Marks: 2 · Difficulty: Easy

The number of 3c-2e bonds present in $\mathrm{Al}\left(\mathrm{BH}_{4}\right)_{3}$ is-

(a)four

(b)three

(c)six

(d)zero

Answer

Answer: C ✓ checked by 4AB · confidence high

Explanation

Each BH₄⁻ binds aluminium through two Al–H–B bridges (bidentate); three ligands give six 3c-2e bonds.

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